:root {
      --primary: #1f3a5f;
      --secondary: #f4f7fb;
      --accent: #e8f0fe;
      --coffee: #fff3cd;
      --lunch: #e8f5e9;
      --keynote: #fff7ed;
      --registration: #e3f2fd;
      --text: #1f2937;
      --muted: #6b7280;
      --border: #d9e2ec;
      --white: #ffffff;
      --flai: #dbeafe;
      --interaction: #dcfce7;
      --sustainability: #fef3c7;
      --online: #7c3aed;
      --onsite: #047857;
      /** Fourth parallel column / online-alt slot track background */
      --room4-track: #ede9fe;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: "Inter", Arial, Helvetica, sans-serif;
      background: var(--secondary);
      color: var(--text);
      line-height: 1.5;
    }

    .program-page-section {
      background: linear-gradient(180deg, #eef2f7 0%, var(--secondary) 28%);
    }

    /* Hero — match program.php (registration-style page-hero) */
    .page-hero {
      position: relative;
      color: #fff;
      overflow: hidden;
      padding: clamp(84px, 10vw, 120px) 0 clamp(56px, 7vw, 72px);
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(16, 185, 129, 0.25), transparent 60%),
        radial-gradient(1000px 600px at 85% -20%, rgba(59, 130, 246, 0.25), transparent 60%),
        linear-gradient(135deg, #0b1530 0%, #0f1f48 55%, #132a63 100%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 18px 18px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 72%);
    }

    .page-hero .container {
      z-index: 1;
    }

    .page-hero h1 {
      font-weight: 800;
      line-height: 1.1;
    }

    .page-hero h1 .hero-at-glance {
      display: block;
      margin-top: 0.4rem;
      font-size: clamp(1rem, 2.8vw, 1.35rem);
      font-weight: 650;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: rgba(165, 180, 252, 0.95);
    }

    .page-hero .lead {
      color: rgba(255, 255, 255, 0.92);
      max-width: 720px;
      margin-inline: auto;
      font-size: clamp(1.05rem, 2vw, 1.25rem);
    }

    .page-hero .hero-intro {
      color: rgba(255, 255, 255, 0.75);
      max-width: 640px;
      margin-inline: auto;
      font-size: 0.95rem;
    }

    .hero-pills .pill {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 600;
      font-size: 0.9rem;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: #fff;
      padding: 0.5rem 0.95rem;
      border-radius: 999px;
      backdrop-filter: blur(8px);
    }

    .program-wrapper {
      width: 100%;
      max-width: 1600px;
      margin: 0 auto;
      padding: 0 20px;
      text-align: left;
    }

    .program-tabs {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin: 30px 0 28px;
    }

    .program-tab {
      border: 1px solid var(--border);
      background: var(--white);
      color: var(--primary);
      font-size: 18px;
      font-weight: 800;
      padding: 13px 24px;
      border-radius: 999px;
      cursor: pointer;
      transition: all 0.2s ease;
      box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    }

    .program-tab:hover,
    .program-tab.active {
      background: var(--primary);
      color: var(--white);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .day-panel { display: none; }
    .day-panel.active { display: block; }

    .day-title {
      background: var(--primary);
      color: var(--white);
      padding: 22px 26px;
      border-radius: 22px 22px 0 0;
      text-align: center;
      font-size: 30px;
      font-weight: 900;
    }

    .day-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 22px;
      box-shadow: 0 10px 28px rgba(0,0,0,0.07);
      overflow: hidden;
    }

    .schedule {
      padding: 22px;
    }

    .schedule-item {
      padding: 18px;
      margin-bottom: 16px;
      border-radius: 18px;
      border: 1px solid var(--border);
      min-width: 0;
      overflow: hidden;
    }

    .schedule-item:last-child { margin-bottom: 0; }

    .session-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 8px;
      min-width: 0;
    }

    .session-title {
      font-size: clamp(20px, 1.8vw, 25px);
      font-weight: 900;
      color: var(--text);
      line-height: 1.25;
      min-width: 0;
      overflow-wrap: anywhere;
    }

    .session-header-primary {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      min-width: 0;
      flex: 1 1 auto;
    }

    .session-header-technical .session-header-primary .session-title {
      flex: 1 1 auto;
      min-width: 0;
    }

    .session-header-technical {
      flex-wrap: wrap;
      align-items: flex-start;
    }

    .session-header-simple {
      flex-wrap: wrap;
      align-items: flex-start;
    }

    .session-header-simple .session-title {
      flex: 1 1 auto;
      min-width: 0;
    }

    /* Registration / coffee / lunch — editable time (editor only) */
    .schedule-item.schedule-item-break .session-header-break {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      align-items: flex-start;
      margin-bottom: 8px;
      min-width: 0;
    }

    .schedule-item.schedule-item-break .break-session-time-column {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 6px;
      min-width: 0;
      flex-shrink: 0;
      flex: 1 1 auto;
      max-width: 100%;
    }

    .schedule-item.schedule-item-break .session-time-widgets {
      justify-content: flex-end;
      max-width: 100%;
    }

    .schedule-item.schedule-item-break .session-time-widgets input.session-time-start,
    .schedule-item.schedule-item-break .session-time-widgets input.session-time-end {
      min-width: 6.85rem;
    }

    .schedule-item.schedule-item-break .session-duration-select {
      min-width: 8.6rem;
    }

    .schedule-item.schedule-item-break .break-session-time-summary {
      font-family: inherit;
      font-size: clamp(17px, 1.3vw, 20px);
      font-weight: 900;
      color: var(--primary);
      text-align: right;
      flex-shrink: 0;
      min-width: 0;
      width: clamp(150px, 32vw, 240px);
      max-width: 100%;
      padding: 5px 9px;
      border: 1px dashed transparent;
      border-radius: 10px;
      background: transparent;
      box-sizing: border-box;
    }

    .schedule-item.schedule-item-break .break-session-time-summary:focus {
      outline: none;
      border-color: rgba(31, 58, 95, 0.35);
      background: rgba(255, 255, 255, 0.55);
      box-shadow: 0 0 0 2px rgba(31, 58, 95, 0.1);
    }

    /* Custom events (Gala dinner, reception, …) — editor */
    .schedule-item.schedule-item-event {
      border-left: 4px solid #b45309;
      background: linear-gradient(135deg, rgba(251, 191, 36, 0.08), rgba(255, 255, 255, 0.95));
    }

    .schedule-item.schedule-item-event.event-kind-gala {
      border-left-color: #92400e;
      background: linear-gradient(135deg, rgba(251, 191, 36, 0.14), rgba(254, 243, 199, 0.35));
    }

    .schedule-item.schedule-item-event.event-kind-opening {
      border-left-color: #1d4ed8;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(255, 255, 255, 0.95));
    }

    .schedule-item.schedule-item-event.event-kind-closing {
      border-left-color: #6d28d9;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(255, 255, 255, 0.95));
    }

    .schedule-item.schedule-item-event .session-header-event {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      align-items: flex-start;
      margin-bottom: 10px;
      min-width: 0;
    }

    .schedule-item.schedule-item-event .event-block-header-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-start;
      gap: 8px;
      justify-content: flex-end;
    }

    .schedule-item.schedule-item-event .session-title-input-editable {
      font-weight: 800;
      font-size: clamp(17px, 1.25vw, 20px);
      min-width: min(100%, 14rem);
      max-width: 100%;
    }

    .schedule-item.schedule-item-event .event-details-fields {
      padding-top: 4px;
      border-top: 1px dashed rgba(31, 58, 95, 0.12);
    }

    .schedule-item.schedule-item-editable .break-session-time-column {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 6px;
      min-width: 0;
      flex-shrink: 0;
      flex: 1 1 auto;
      max-width: 100%;
    }

    .schedule-item.schedule-item-editable .session-time-widgets {
      justify-content: flex-end;
      max-width: 100%;
    }

    .schedule-item.schedule-item-editable .session-time-widgets input.session-time-start,
    .schedule-item.schedule-item-editable .session-time-widgets input.session-time-end {
      min-width: 6.85rem;
    }

    .schedule-item.schedule-item-editable .session-duration-select {
      min-width: 8.6rem;
    }

    .schedule-insert-slot {
      position: relative;
      height: 0;
      margin: 0;
      padding: 0;
      overflow: visible;
      z-index: 2;
    }

    .schedule-insert-slot .schedule-insert-btn {
      position: absolute;
      left: 50%;
      top: 0;
      transform: translate(-50%, -50%);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.2;
      color: rgba(31, 58, 95, 0.55);
      background: #fff;
      border: 1px dashed rgba(31, 58, 95, 0.22);
      border-radius: 999px;
      cursor: pointer;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
      white-space: nowrap;
    }

    .schedule:hover .schedule-insert-slot .schedule-insert-btn,
    .schedule-insert-slot:focus-within .schedule-insert-btn,
    .schedule-insert-btn:hover,
    .schedule-insert-btn:focus-visible {
      opacity: 1;
      pointer-events: auto;
      color: var(--primary);
      border-color: rgba(31, 58, 95, 0.45);
      box-shadow: 0 2px 8px rgba(31, 58, 95, 0.12);
    }

    .schedule-item + .schedule-insert-slot,
    .schedule-insert-slot + .schedule-item {
      margin-top: 14px;
    }

    .schedule-insert-slot .schedule-paste-btn {
      position: absolute;
      left: calc(50% + 5.5rem);
      top: 0;
      transform: translate(-50%, -50%);
      display: none;
      align-items: center;
      gap: 5px;
      padding: 4px 11px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.2;
      color: #166534;
      background: #f0fdf4;
      border: 1px dashed rgba(22, 101, 52, 0.35);
      border-radius: 999px;
      cursor: pointer;
      white-space: nowrap;
      transition: opacity 0.15s ease, box-shadow 0.15s ease;
    }

    .schedule-insert-slot.paste-ready .schedule-paste-btn,
    .schedule-insert-slot.paste-target-active .schedule-paste-btn {
      display: inline-flex;
    }

    .schedule:hover .schedule-insert-slot.paste-ready .schedule-paste-btn,
    .schedule-insert-slot.paste-ready:focus-within .schedule-paste-btn,
    .schedule-insert-slot.paste-target-active .schedule-paste-btn,
    .schedule-paste-btn:hover,
    .schedule-paste-btn:focus-visible {
      opacity: 1;
      pointer-events: auto;
      box-shadow: 0 2px 8px rgba(22, 101, 52, 0.14);
    }

    .schedule-insert-slot.paste-target-active .schedule-paste-btn {
      border-style: solid;
      background: #dcfce7;
    }

    .schedule-item.schedule-item-selected {
      outline: 3px solid rgba(37, 99, 235, 0.55);
      outline-offset: 2px;
      box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
    }

    .program-page-section .schedule-item {
      cursor: pointer;
    }

    .program-page-section .schedule-item input,
    .program-page-section .schedule-item textarea,
    .program-page-section .schedule-item select,
    .program-page-section .schedule-item button,
    .program-page-section .schedule-item a {
      cursor: auto;
    }

    .program-action-btn:disabled {
      opacity: 0.45;
      cursor: not-allowed;
      transform: none;
    }

    /* Public / overview — special events */
    .schedule-item.event {
      border-left: 4px solid #b45309;
      padding-left: 12px;
    }

    .schedule-item.event.event-kind-gala {
      border-left-color: #92400e;
      background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), transparent);
    }

    .schedule-item.event.event-kind-opening {
      border-left-color: #1d4ed8;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent);
    }

    .schedule-item.event.event-kind-closing {
      border-left-color: #6d28d9;
      background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), transparent);
    }

    .schedule-item.event .event-ribbon {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: #92400e;
      margin-bottom: 6px;
    }

    .schedule-item.event .event-location-readonly {
      font-weight: 600;
      color: rgba(31, 58, 95, 0.85);
    }

    .schedule-item.event .event-location-readonly .bi {
      margin-right: 4px;
      color: #b45309;
    }

    .schedule-item-drag-handle {
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      padding: 0;
      border-radius: 12px;
      cursor: grab;
      color: rgba(31, 58, 95, 0.55);
      background: rgba(255, 255, 255, 0.65);
      border: 1px solid rgba(31, 58, 95, 0.15);
      box-sizing: border-box;
    }

    .schedule-item-drag-handle:active {
      cursor: grabbing;
    }

    .schedule-item-drag-handle:hover {
      background: rgba(255, 255, 255, 0.92);
      color: var(--primary);
    }

    .schedule-drag-ghost {
      opacity: 0.52;
    }

    .schedule-drag-chosen {
      outline: 2px dashed rgba(31, 58, 95, 0.38);
      outline-offset: 3px;
      border-radius: 18px;
    }

    .time {
      font-size: clamp(17px, 1.3vw, 20px);
      font-weight: 900;
      color: var(--primary);
      white-space: nowrap;
      text-align: right;
      flex-shrink: 0;
      line-height: 1.4;
    }

    .schedule-item.technical .session-time-input {
      font-family: inherit;
      font-size: clamp(17px, 1.3vw, 20px);
      font-weight: 900;
      color: var(--primary);
      text-align: right;
      flex-shrink: 0;
      line-height: 1.4;
      min-width: 0;
      width: clamp(150px, 32vw, 240px);
      max-width: 100%;
      padding: 5px 9px;
      border: 1px dashed transparent;
      border-radius: 10px;
      background: transparent;
      box-sizing: border-box;
    }

    .schedule-item.technical .session-time-input:focus {
      outline: none;
      border-color: rgba(31, 58, 95, 0.35);
      background: rgba(255, 255, 255, 0.55);
      box-shadow: 0 0 0 2px rgba(31, 58, 95, 0.1);
    }

    /* Time field + Remove block button (Detailed Program editor) */
    .schedule-item.technical .technical-session-header-actions {
      display: flex;
      align-items: flex-start;
      justify-content: flex-end;
      flex-shrink: 0;
      gap: 10px;
      flex-wrap: wrap;
    }

    .technical-session-time-column {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 6px;
      min-width: 0;
      flex: 1 1 auto;
      max-width: 100%;
    }

    .schedule-item.technical .session-time-widgets {
      justify-content: flex-end;
      max-width: 100%;
    }

    .schedule-item.technical .session-time-widgets input.session-time-start,
    .schedule-item.technical .session-time-widgets input.session-time-end {
      min-width: 6.85rem;
    }

    .schedule-item.technical .session-duration-select {
      min-width: 8.6rem;
    }

    .schedule-item.technical .delete-technical-block-btn {
      white-space: nowrap;
      font-weight: 600;
    }

    .session-note {
      font-size: 16px;
      color: var(--muted);
      margin-top: 6px;
      overflow-wrap: anywhere;
    }

    .registration { background: var(--registration); }

    /* Keynote — light apricot / warm orange (aligned with program.php) */
    .schedule-item.keynote {
      position: relative;
      margin-bottom: 16px !important;
      padding: 21px 20px 21px 28px;
      border-radius: 18px;
      border: 1px solid rgba(251, 146, 60, 0.35);
      background:
        radial-gradient(ellipse 118% 90% at 100% -5%, rgba(254, 215, 170, 0.45), transparent 58%),
        radial-gradient(ellipse 90% 80% at -5% 100%, rgba(255, 237, 213, 0.55), transparent 52%),
        linear-gradient(165deg, #fffefb 0%, #fff8f0 42%, #ffedd5 100%);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        0 6px 22px rgba(154, 52, 18, 0.07),
        0 1px 3px rgba(124, 45, 18, 0.05);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .schedule-item.keynote::before {
      content: "";
      position: absolute;
      left: 9px;
      top: 17px;
      bottom: 17px;
      width: 4px;
      border-radius: 8px;
      background: linear-gradient(185deg, #ea580c 0%, #f97316 45%, #fb923c 100%);
      opacity: 0.88;
      box-shadow: 0 0 0 1px rgba(255, 247, 237, 0.6);
    }

    .schedule-item.keynote:hover {
      transform: translateY(-2px);
      border-color: rgba(249, 115, 22, 0.45);
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 11px 28px rgba(194, 65, 12, 0.11),
        0 2px 6px rgba(124, 45, 18, 0.06);
    }

    .schedule-item.keynote .session-header {
      align-items: flex-start;
      margin-bottom: 6px;
    }

    .schedule-item.keynote .keynote-title-block {
      min-width: 0;
      flex: 1 1 auto;
    }

    .schedule-item.keynote .keynote-session-label {
      margin-top: 6px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: #9a3412;
      opacity: 0.92;
    }

    .keynote-ribbon {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 11px;
      padding: 0.45rem 1rem;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: #9a3412;
      background: linear-gradient(180deg, rgba(255, 247, 237, 0.95), rgba(255, 237, 213, 0.88));
      border: 1px solid rgba(253, 186, 116, 0.55);
      border-radius: 999px;
      box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85) inset;
    }

    .keynote-ribbon i {
      font-size: 0.92rem;
      color: #ea580c;
    }

    .schedule-item.keynote .keynote-room {
      margin-top: 10px;
    }

    .schedule-item.keynote .keynote-room-chip {
      display: inline-flex;
      max-width: 100%;
      overflow-wrap: anywhere;
      align-items: center;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      line-height: 1.35;
      background: rgba(255, 252, 248, 0.95);
      border: 1px solid rgba(251, 146, 60, 0.32);
      color: #9a3412;
      box-sizing: border-box;
    }

    .schedule-item.keynote .keynote-editable-fields .keynote-title-input,
    .schedule-item.keynote .keynote-speaker-fields .keynote-speaker-input,
    .schedule-item.keynote .keynote-speaker-fields .keynote-affiliation-input {
      font-weight: 700;
      border-color: rgba(194, 65, 12, 0.28);
      background: rgba(255, 255, 255, 0.95);
    }

    .schedule-item.keynote .keynote-speaker-fields .keynote-affiliation-input {
      font-weight: 550;
      font-size: 14px;
      line-height: 1.45;
      min-height: 3.2rem;
      resize: vertical;
    }

    .schedule-item.keynote .keynote-editable-fields .keynote-title-input {
      font-size: clamp(16px, 1.2vw, 19px);
    }

    .schedule-item.keynote .keynote-speaker-fields {
      margin-top: 12px;
      padding: 12px 14px;
      background: rgba(255, 255, 255, 0.9);
      border-radius: 14px;
      border: 1px solid rgba(254, 215, 170, 0.65);
    }

    .schedule-item.keynote .keynote-affiliation-readonly {
      line-height: 1.45;
    }

    .schedule-item.keynote .session-speaker-keynote {
      margin-top: 13px;
      padding: 12px 14px;
      background: rgba(255, 255, 255, 0.9);
      border-radius: 14px;
      border: 1px solid rgba(254, 215, 170, 0.65);
      color: #431407;
      font-size: 16px;
      font-weight: 750;
      line-height: 1.45;
      overflow-wrap: anywhere;
      box-shadow: 0 1px 0 rgba(255, 252, 248, 0.98) inset;
    }

    .schedule-item.keynote .session-speaker-keynote .speaker-label {
      display: block;
      margin-bottom: 0.3rem;
      font-size: 0.78rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: #c2410c;
    }

    .schedule-item.keynote .keynote-speaker-inline {
      display: inline;
      font-weight: 750;
      line-height: 1.45;
    }

    .schedule-item.keynote .keynote-affiliation {
      display: inline;
      font-size: 0.93em;
      font-weight: 550;
      color: rgba(67, 20, 7, 0.82);
    }

    .schedule-item.keynote .session-title {
      color: #7c2d12;
      font-size: clamp(17px, 1.65vw, 22px);
      font-weight: 800;
      line-height: 1.3;
    }

    .schedule-item.keynote .session-note {
      margin-top: 11px;
      padding: 12px 0 0;
      border-top: 1px solid rgba(251, 191, 36, 0.28);
      color: #57534e;
      line-height: 1.52;
      font-weight: 500;
    }

    .schedule-item.keynote .time {
      color: var(--muted);
      font-size: clamp(13px, 1.85vw, 15px);
    }

    .coffee { background: var(--coffee); }
    .lunch { background: var(--lunch); }
    .technical { background: var(--accent); }

    .parallel-grid {
      display: grid;
      grid-template-columns: repeat(var(--parallel-columns, 3), minmax(0, 1fr));
      gap: 14px;
      margin-top: 14px;
      align-items: start;
    }

    .technical-block-track-toolbar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }

    details.venue-rooms-panel {
      width: 100%;
      max-width: 100%;
    }

    details.venue-rooms-panel summary {
      cursor: pointer;
      padding: 4px 0;
    }

    details.venue-rooms-panel summary::-webkit-details-marker {
      margin-right: 0.5em;
    }

    .track {
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 16px;
      min-width: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .track.track-room-assigned {
      border: 1px solid rgba(31, 58, 95, 0.12);
    }

    .rooms-registry-row {
      padding: 6px 8px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.65);
      border: 1px solid rgba(31, 58, 95, 0.1);
    }

    .rooms-registry-row .registry-room-color {
      width: 2.6rem;
      height: 2rem;
      padding: 2px;
    }

    .track-room-select {
      min-width: min(100%, 14rem);
      max-width: 100%;
    }

    /* Parallel track fill: by room slot (legacy CSS classes) */
    .track.track-room-room1 {
      background: var(--flai);
    }

    .track.track-room-room2 {
      background: var(--interaction);
    }

    .track.track-room-room3 {
      background: var(--sustainability);
    }

    .track.track-room-room4 {
      background: var(--room4-track);
    }

    .track.track-room-default {
      background: var(--accent);
    }

    .theme-flai { background: var(--flai); }
    .theme-interaction { background: var(--interaction); }
    .theme-sustainability { background: var(--sustainability); }

    .track-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 10px;
      min-width: 0;
    }

    .track-title-input {
      color: var(--primary);
      font-size: 18px;
      line-height: 1.25;
      font-weight: 900;
      min-width: 0;
      flex: 1 1 auto;
      width: 100%;
      font-family: inherit;
      background: transparent;
      border: 1px dashed transparent;
      border-radius: 10px;
      padding: 4px 8px;
      margin: -4px -8px;
      overflow-wrap: anywhere;
      box-sizing: border-box;
    }

    .track-title-input:focus {
      outline: none;
      border-color: rgba(31, 58, 95, 0.38);
      background: rgba(255, 255, 255, 0.6);
      box-shadow: 0 0 0 2px rgba(31, 58, 95, 0.12);
    }

    .track-title-input:hover:not(:focus) {
      border-color: rgba(31, 58, 95, 0.15);
    }

    .mode-badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      flex-shrink: 0;
      color: #fff;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
      line-height: 1;
      white-space: nowrap;
    }

    .mode-online { background: var(--online); }
    .mode-onsite { background: var(--onsite); }

    /* Editor: editable presentation mode (pill + native select) */
    .mode-badge-slot {
      display: inline-flex;
      align-items: center;
      flex-shrink: 0;
      border-radius: 999px;
      padding: 2px 4px;
    }

    .mode-badge-slot .track-mode-select {
      appearance: none;
      -webkit-appearance: none;
      max-width: 9.25rem;
      padding: 5px 28px 5px 10px;
      border: none;
      border-radius: 999px;
      background-color: transparent;
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23ffffff'%3e%3cpath d='M1.5 5.5l6.5 6 6.5-6'/%3e%3c/svg%3e");
      background-repeat: no-repeat;
      background-position: right 9px center;
      background-size: 11px auto;
      color: #fff;
      font-family: inherit;
      font-size: 12px;
      font-weight: 900;
      line-height: 1.2;
      cursor: pointer;
      box-sizing: border-box;
    }

    .mode-badge-slot .track-mode-select:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.45);
    }

    .mode-badge-slot .track-mode-select option {
      color: #0f172a;
      font-weight: 700;
    }

    .room-line {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      width: 100%;
      max-width: 100%;
      background: rgba(255, 255, 255, 0.82);
      color: var(--primary);
      border-radius: 999px;
      padding: 6px 10px 6px 12px;
      font-size: 14px;
      font-weight: 800;
      line-height: 1.35;
      min-width: 0;
      box-sizing: border-box;
    }

    .room-line .room-prefix {
      flex-shrink: 0;
      font-weight: 900;
      color: var(--muted);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .track-room-input {
      flex: 1 1 auto;
      min-width: 0;
      font-family: inherit;
      font-size: 14px;
      font-weight: 850;
      color: var(--primary);
      padding: 4px 8px;
      border: 1px dashed transparent;
      border-radius: 10px;
      background: transparent;
      overflow-wrap: anywhere;
      box-sizing: border-box;
    }

    .track-room-input:focus {
      outline: none;
      border-color: rgba(31, 58, 95, 0.35);
      background: rgba(255, 255, 255, 0.72);
      box-shadow: 0 0 0 2px rgba(31, 58, 95, 0.1);
    }

    /* Session chair — editor + public viewer */
    .chair-line-track {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      width: 100%;
      max-width: 100%;
      margin-top: 8px;
      background: rgba(255, 255, 255, 0.78);
      color: var(--primary);
      border-radius: 999px;
      padding: 6px 10px 6px 12px;
      font-size: 14px;
      font-weight: 750;
      line-height: 1.35;
      min-width: 0;
      box-sizing: border-box;
      border: 1px dashed rgba(31, 58, 95, 0.12);
    }

    .chair-line-track .chair-prefix {
      flex-shrink: 0;
      font-weight: 900;
      color: var(--muted);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .track-chair-input {
      flex: 1 1 auto;
      min-width: 0;
      font-family: inherit;
      font-size: 14px;
      font-weight: 750;
      color: var(--primary);
      padding: 4px 8px;
      border: 1px dashed transparent;
      border-radius: 10px;
      background: transparent;
      overflow-wrap: anywhere;
      box-sizing: border-box;
    }

    .track-chair-input:focus {
      outline: none;
      border-color: rgba(31, 58, 95, 0.35);
      background: rgba(255, 255, 255, 0.72);
      box-shadow: 0 0 0 2px rgba(31, 58, 95, 0.1);
    }

    .chair-line-track .track-chair-readonly {
      flex: 1 1 auto;
      min-width: 0;
      overflow-wrap: anywhere;
      font-weight: 780;
      color: #0f2744;
    }

    /* Zoom / meeting link — editor + public viewer */
    .zoom-line-track {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      width: 100%;
      max-width: 100%;
      margin-top: 8px;
      background: rgba(99, 102, 241, 0.08);
      color: var(--primary);
      border-radius: 999px;
      padding: 6px 10px 6px 12px;
      font-size: 14px;
      font-weight: 750;
      line-height: 1.35;
      min-width: 0;
      box-sizing: border-box;
      border: 1px dashed rgba(99, 102, 241, 0.25);
    }

    .zoom-line-track .zoom-prefix {
      flex-shrink: 0;
      font-weight: 900;
      color: var(--muted);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .track-zoom-input {
      flex: 1 1 auto;
      min-width: 0;
      overflow-wrap: anywhere;
    }

    .track-zoom-live-link,
    .track-zoom-readonly-link {
      font-weight: 800;
      text-decoration: none;
      flex-shrink: 0;
      white-space: nowrap;
    }

    .track-zoom-live-link:focus,
    .track-zoom-live-link:hover,
    .track-zoom-readonly-link:focus,
    .track-zoom-readonly-link:hover {
      text-decoration: underline;
    }

    .track-zoom-readonly-link {
      color: #4c1d95;
      font-size: clamp(13px, 1.05vw, 15px);
    }

    .paper-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 9px;
    }

    .paper-item {
      background: rgba(255,255,255,0.72);
      border: 1px solid rgba(217,226,236,0.9);
      border-radius: 12px;
      padding: 10px;
      min-width: 0;
      cursor: grab;
    }

    .paper-item:active {
      cursor: grabbing;
    }

    .paper-item.paper-item-selectable {
      cursor: pointer;
      transition: outline-color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    }

    .paper-item.paper-item-selectable:hover {
      border-color: rgba(37, 99, 235, 0.35);
      background: rgba(248, 250, 252, 0.98);
    }

    .paper-item.paper-item-selectable:focus-visible {
      outline: 2px solid rgba(37, 99, 235, 0.55);
      outline-offset: 2px;
    }

    .paper-item.paper-item-selected {
      outline: 2px solid rgba(37, 99, 235, 0.75);
      outline-offset: 1px;
      background: rgba(239, 246, 255, 0.98);
      border-color: rgba(37, 99, 235, 0.45);
      cursor: pointer;
      box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12);
    }

    .paper-selected-badge {
      display: inline-flex;
      align-items: center;
      margin-top: 8px;
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: #1d4ed8;
      background: rgba(219, 234, 254, 0.95);
      border: 1px solid rgba(37, 99, 235, 0.25);
    }

    .paper-list.paper-paste-ready .paper-item-selectable {
      cursor: copy;
    }

    .track-paper-footer {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px dashed var(--border);
    }

    .paper-paste-end-btn {
      display: none;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.2;
      color: #166534;
      background: #f0fdf4;
      border: 1px dashed rgba(22, 101, 52, 0.35);
      border-radius: 999px;
      cursor: pointer;
      transition: box-shadow 0.15s ease, border-color 0.15s ease;
    }

    .track-paper-footer.paper-paste-ready .paper-paste-end-btn {
      display: inline-flex;
    }

    .paper-paste-end-btn:hover,
    .paper-paste-end-btn:focus-visible {
      border-color: rgba(22, 101, 52, 0.55);
      box-shadow: 0 2px 8px rgba(22, 101, 52, 0.12);
    }

    .paper-item-top {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      min-width: 0;
    }

    .paper-drag-handle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 25px;
      height: 25px;
      border-radius: 999px;
      border: 1px solid rgba(31, 58, 95, 0.14);
      background: rgba(255,255,255,0.75);
      color: var(--primary);
      font-size: 12px;
      cursor: grab;
      margin-top: -1px;
    }

    .paper-delete-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      margin-top: -1px;
      padding: 0;
      border: 1px solid rgba(185, 28, 28, 0.25);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.9);
      color: #b91c1c;
      font-size: 13px;
      cursor: pointer;
      transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    }

    .paper-delete-btn:hover {
      background: #fef2f2;
      border-color: rgba(185, 28, 28, 0.45);
      color: #991b1b;
    }

    .paper-delete-btn:focus-visible {
      outline: 2px solid #b91c1c;
      outline-offset: 2px;
    }

    .paper-content {
      min-width: 0;
      flex: 1 1 auto;
    }

    .paper-time-input {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 4px;
      max-width: 11rem;
      padding: 0.15rem 0.45rem;
      border-color: color-mix(in srgb, var(--primary) 35%, transparent);
      background: color-mix(in srgb, var(--primary) 6%, #fff);
    }

    .paper-time-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 0.15rem color-mix(in srgb, var(--primary) 18%, transparent);
    }

    .schedule-item.keynote.schedule-item-editable .session-header-break {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      align-items: flex-start;
      margin-bottom: 8px;
    }

    .schedule-item.keynote.schedule-item-editable .break-session-time-column {
      flex-shrink: 0;
    }

    .schedule-item.schedule-item-simple-editable .session-header-break {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      align-items: flex-start;
      margin-bottom: 8px;
    }

    .paper-title {
      color: var(--text);
      font-size: 14px;
      font-weight: 800;
      line-height: 1.35;
      overflow-wrap: anywhere;
      hyphens: auto;
    }

    .paper-authors {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.35;
      margin-top: 4px;
      overflow-wrap: anywhere;
      hyphens: auto;
    }

    .btn-add-paper {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-family: inherit;
      font-size: 13px;
      font-weight: 750;
      color: var(--primary);
      background: rgba(255, 255, 255, 0.85);
      border: 1px dashed rgba(31, 58, 95, 0.35);
      border-radius: 999px;
      padding: 6px 12px;
      cursor: pointer;
      transition: border-color 0.15s ease, background 0.15s ease;
    }

    .btn-add-paper:hover {
      border-color: var(--primary);
      background: #fff;
    }

    .btn-add-paper:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .footer-note {
      margin-top: 28px;
      padding: 20px;
      background: var(--white);
      border-left: 6px solid var(--primary);
      border-radius: 14px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.55;
    }


    .program-controls {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin: 0 0 28px;
      width: 100%;
    }

    .program-controls-toolbar {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px 20px;
      width: 100%;
    }

    .program-controls-group {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .program-controls-label {
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .program-controls-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .program-controls-panel {
      width: 100%;
      max-width: 920px;
      margin-left: auto;
      margin-right: auto;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: var(--white);
    }

    .program-controls-panel summary {
      cursor: pointer;
      color: var(--primary);
    }

    .program-editor-help .drag-hint {
      text-align: left;
      font-size: 14px;
      line-height: 1.55;
    }

    .program-editor-help .drag-hint p {
      margin-bottom: 0.65rem;
    }

    .program-action-btn {
      border: 0;
      background: var(--primary);
      color: #fff;
      border-radius: 999px;
      padding: 12px 20px;
      font-size: 15px;
      font-weight: 900;
      cursor: pointer;
      box-shadow: 0 5px 16px rgba(0,0,0,0.10);
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .program-action-btn:hover {
      transform: translateY(-1px);
      opacity: 0.95;
    }

    .program-action-btn.secondary {
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border);
    }

    .program-action-btn.program-action-btn-danger {
      color: #b42318;
      border-color: color-mix(in srgb, #b42318 35%, var(--border));
    }

    .program-action-btn.program-action-btn-danger:hover {
      background: #b42318;
      border-color: #b42318;
      color: #fff;
    }

    .save-status {
      width: 100%;
      text-align: center;
      color: var(--muted);
      font-size: 14px;
      min-height: 22px;
    }

    .drag-hint {
      width: 100%;
      text-align: center;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.45;
    }

    .track {
      cursor: grab;
    }

    .track:active {
      cursor: grabbing;
    }

    .drag-handle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 34px;
      height: 34px;
      border-radius: 999px;
      border: 1px solid rgba(31, 58, 95, 0.18);
      background: rgba(255, 255, 255, 0.72);
      color: var(--primary);
      font-size: 16px;
      cursor: grab;
    }

    .track-heading-left {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      min-width: 0;
      flex: 1 1 auto;
    }

    .track-actions {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .collapse-track-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      width: 34px;
      height: 34px;
      border-radius: 999px;
      border: 1px solid rgba(31, 58, 95, 0.18);
      background: rgba(255, 255, 255, 0.72);
      color: var(--primary);
      font-size: 16px;
      cursor: pointer;
    }

    .collapse-track-btn:hover,
    .drag-handle:hover {
      background: rgba(255, 255, 255, 0.95);
    }

    .track.collapsed {
      align-self: start;
      padding: 9px 10px;
      gap: 0;
      min-height: 0;
      height: auto;
      border-radius: 12px;
    }

    .track.collapsed .track-top {
      align-items: center;
      gap: 8px;
      margin: 0;
    }

    .track.collapsed .track-heading-left {
      align-items: center;
      gap: 7px;
    }

    .track.collapsed .drag-handle,
    .track.collapsed .collapse-track-btn {
      width: 28px;
      height: 28px;
      font-size: 13px;
    }

    .track.collapsed .track-title-input {
      font-size: 13.5px;
      line-height: 1.15;
      max-height: 2.3em;
      overflow: hidden;
    }

    .track.collapsed .mode-badge {
      padding: 5px 8px;
      font-size: 11px;
    }

    .track.collapsed .mode-badge-slot .track-mode-select {
      padding-top: 4px;
      padding-bottom: 4px;
      font-size: 11px;
      max-width: 8.75rem;
    }

    .track.collapsed .room-line,
    .track.collapsed .chair-line-track,
    .track.collapsed .zoom-line-track,
    .track.collapsed .paper-list {
      display: none !important;
    }


    .drag-ghost {
      opacity: 0.45;
    }

    .drag-chosen {
      outline: 3px dashed rgba(31, 58, 95, 0.35);
    }

    .parallel-grid.drag-over {
      outline: 3px dashed rgba(31, 58, 95, 0.25);
      outline-offset: 5px;
      border-radius: 18px;
    }

    .paper-list.paper-drag-over {
      outline: 3px dashed rgba(31, 58, 95, 0.22);
      outline-offset: 5px;
      border-radius: 14px;
      min-height: 58px;
    }

    .paper-ghost { opacity: 0.45; }
    .paper-chosen { outline: 2px dashed rgba(31, 58, 95, 0.35); }



    #programPanels.all-days-edit {
      display: grid;
      grid-template-columns: 1fr;
      gap: 28px;
    }

    #programPanels.all-days-edit .day-panel {
      display: block !important;
    }

    #programPanels.all-days-edit .day-card {
      outline: 3px solid rgba(31, 58, 95, 0.08);
    }

    .program-tab.disabled-while-editing {
      opacity: 0.55;
      pointer-events: none;
    }

    @media (max-width: 1200px) {
      .parallel-grid { grid-template-columns: 1fr; }
    }

    /* ----- Published detailed program page (detailed-program.php) ----- */

    .program-static-toolbar {
      margin: 0;
      max-width: 100%;
      justify-content: center;
    }

    #programPanels.program-static-all-days {
      display: grid;
      grid-template-columns: 1fr;
      gap: 28px;
    }

    #programPanels.program-static-all-days .day-panel {
      display: block !important;
    }

    #programPanels.program-static-all-days .day-card {
      outline: 3px solid rgba(31, 58, 95, 0.08);
    }

    .track.track-readonly {
      cursor: default;
    }

    .track.track-readonly:active {
      cursor: default;
    }

    .paper-item.paper-readonly {
      cursor: default;
    }

    .paper-readonly .paper-item-top {
      gap: 0;
    }

    .track-heading-left-readonly {
      display: flex;
      align-items: flex-start;
      min-width: 0;
      flex: 1 1 auto;
    }

    .track-title-readonly {
      color: var(--primary);
      font-size: 18px;
      line-height: 1.25;
      font-weight: 900;
      min-width: 0;
      flex: 1 1 auto;
      width: 100%;
      overflow-wrap: anywhere;
      padding: 4px 0;
    }

    .schedule-item.technical .session-time-display {
      font-family: inherit;
      font-size: clamp(17px, 1.3vw, 20px);
      font-weight: 900;
      color: var(--primary);
      text-align: right;
      flex-shrink: 0;
      line-height: 1.4;
      white-space: nowrap;
    }

    .track-room-readonly {
      flex: 1 1 auto;
      min-width: 0;
      font-family: inherit;
      font-size: 14px;
      font-weight: 850;
      color: var(--primary);
      padding: 4px 0;
      overflow-wrap: anywhere;
    }

    @media (max-width: 700px) {
      .program-wrapper { padding: 0 14px; }
      .schedule { padding: 14px; }
      .schedule-item { padding: 14px; }
      .session-header { flex-direction: column; gap: 5px; }
      .time { text-align: left; }
      .schedule-item.technical .session-time-input {
        text-align: left;
        width: 100%;
      }
      .schedule-item.technical .technical-session-header-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
      }
      .technical-session-time-column {
        align-items: stretch;
      }
      .schedule-item.technical .session-time-widgets {
        justify-content: flex-start;
      }
      .schedule-item.technical .session-time-display {
        text-align: left;
        width: 100%;
        white-space: normal;
      }
      .track-top { flex-direction: column; }
      .track-actions { width: 100%; justify-content: space-between; }
      .program-tab { width: 100%; }
    }


    /* ----- Detailed published program layout + polish (detailed-program.php, body.program-static-page) ----- */

    .program-static-page .program-page-section {
      position: relative;
      background:
        radial-gradient(1200px 500px at 12% 0%, rgba(99, 102, 241, 0.09), transparent 55%),
        radial-gradient(900px 420px at 88% 8%, rgba(16, 185, 129, 0.08), transparent 50%),
        linear-gradient(180deg, #eef2f7 0%, #e8edf5 40%, #f1f4f9 100%);
    }

    .program-static-page .program-page-section::before {
      content: "";
      pointer-events: none;
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(31, 58, 95, 0.06) 1px, transparent 1px);
      background-size: 22px 22px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 65%);
    }

    .program-static-page .program-wrapper {
      position: relative;
      z-index: 1;
    }

    /* Hero: clearer type on gradient (detailed-program.php) */
    .program-static-page .final-program-eyebrow {
      font-size: 0.92rem !important;
      color: rgba(255, 255, 255, 0.96) !important;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45);
    }

    .program-static-page .page-hero h1 {
      text-shadow: 0 3px 32px rgba(0, 0, 0, 0.5);
    }

    .program-static-page .page-hero .lead {
      color: #f8fafc;
      font-weight: 600;
      text-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
    }

    .program-static-page .page-hero h1 .hero-at-glance {
      color: #e8ecff;
      text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
    }

    .program-static-page .hero-weekdays.text-white {
      color: rgba(255, 255, 255, 0.95) !important;
      font-weight: 600;
      letter-spacing: 0.03em;
      text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
    }

    .program-static-page .hero-pills .pill {
      background: rgba(255, 255, 255, 0.2);
      border: 1px solid rgba(255, 255, 255, 0.42);
      color: #fff;
      box-shadow:
        0 2px 14px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
      font-weight: 700;
      font-size: 0.95rem;
    }

    .program-static-page .program-static-toolbar-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 14px 20px;
      row-gap: 18px;
      margin: 0 auto 28px;
      max-width: 100%;
      padding: clamp(14px, 3vw, 20px);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.58);
      border: 1px solid rgba(31, 58, 95, 0.16);
      box-shadow:
        0 4px 22px rgba(15, 31, 72, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
    }

    .program-static-page .day-panel {
      scroll-margin-top: clamp(76px, 18vw, 100px);
    }

    .program-static-page .program-static-toolbar-row .program-static-toolbar {
      margin: 0;
      display: inline-flex;
      flex: 0 0 auto;
    }

    .program-static-page .program-static-toolbar-row .program-tabs {
      margin: 0;
    }

    .program-static-page .program-static-toolbar-row .program-static-tabs-slot {
      margin: 0;
      flex: 1 1 320px;
      justify-content: center;
      min-width: 0;
      display: flex;
      flex-wrap: wrap;
    }

    .program-static-page .program-static-toggle.program-action-btn.secondary {
      background: linear-gradient(135deg, #1f3a5f 0%, #2d4f7c 52%, #1e4d8f 100%);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow:
        0 4px 16px rgba(31, 58, 95, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
      font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
      font-weight: 700;
      letter-spacing: 0.02em;
    }

    .program-static-page .program-static-toggle.program-action-btn.secondary:hover {
      transform: translateY(-2px);
      box-shadow:
        0 10px 28px rgba(31, 58, 95, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
      opacity: 1;
      filter: saturate(1.05);
    }

    .program-static-page .program-tab {
      font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
      font-weight: 800;
      letter-spacing: 0.025em;
      color: var(--primary);
      background: #fff;
      border: 2px solid rgba(31, 58, 95, 0.26);
      backdrop-filter: blur(10px);
      box-shadow:
        0 3px 12px rgba(15, 31, 72, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 1);
      transition:
        transform 0.22s ease,
        box-shadow 0.22s ease,
        border-color 0.2s ease,
        background 0.2s ease;
    }

    .program-static-page .program-tab:focus-visible {
      outline: 3px solid rgba(59, 130, 246, 0.55);
      outline-offset: 3px;
    }

    .program-static-page .program-tab:hover {
      border-color: rgba(31, 58, 95, 0.38);
      color: var(--primary);
      background: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(15, 31, 72, 0.14);
    }

    .program-static-page .program-tab.active {
      background: linear-gradient(135deg, #1f3a5f 0%, #355a8c 50%, #1f3a5f 100%);
      color: #fff;
      border-color: #1f3a5f;
      box-shadow:
        0 10px 34px rgba(31, 58, 95, 0.45),
        0 2px 0 rgba(255, 255, 255, 0.12) inset;
      transform: translateY(-1px);
    }

    .program-static-page .program-static-toolbar .program-static-toggle:focus-visible {
      outline: 3px solid rgba(255, 255, 255, 0.85);
      outline-offset: 3px;
    }

    .program-static-page .day-card {
      border: 1px solid rgba(31, 58, 95, 0.14);
      border-radius: 24px;
      box-shadow:
        0 4px 6px rgba(15, 31, 72, 0.04),
        0 22px 50px -16px rgba(15, 31, 72, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
      overflow: hidden;
      transition:
        transform 0.28s ease,
        box-shadow 0.28s ease;
    }

    .program-static-page .day-card:hover {
      transform: translateY(-3px);
      box-shadow:
        0 8px 14px rgba(15, 31, 72, 0.07),
        0 26px 56px -18px rgba(15, 31, 72, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
    }

    .program-static-page .day-title {
      font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: none;
      background: linear-gradient(125deg, #152a52 0%, #1f3a5f 38%, #2a5082 72%, #1a3050 100%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
      padding: 24px 28px;
    }

    .program-static-page .schedule {
      padding: 26px;
      font-size: 17px;
      line-height: 1.58;
      color: var(--text);
      background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.88) 0%,
        rgba(248, 250, 252, 0.78) 100%
      );
    }

    .program-static-page .session-title {
      color: #0f172a;
    }

    .program-static-page .schedule-item:not(.keynote) .time,
    .program-static-page .schedule-item:not(.keynote) .session-note {
      color: #374151;
    }

    .program-static-page .session-note {
      font-size: clamp(15px, 1.05vw, 17px);
    }

    .program-static-page .schedule-item:not(.keynote) .session-note {
      color: #465066;
    }

    .program-static-page .schedule-item {
      border: 1px solid rgba(31, 58, 95, 0.16);
      border-radius: 20px;
      box-shadow: 0 6px 20px rgba(15, 31, 72, 0.08);
      margin-bottom: 18px;
    }

    .program-static-page .schedule-item.technical {
      background: linear-gradient(145deg, rgba(224, 235, 255, 0.98) 0%, rgba(241, 247, 255, 0.94) 100%);
      border-left: 5px solid rgba(37, 99, 235, 0.75);
    }

    .program-static-page .schedule-item.keynote {
      box-shadow:
        0 8px 28px rgba(194, 65, 12, 0.11),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
    }

    .program-static-page .parallel-grid {
      gap: 18px;
    }

    .program-static-page .track.track-readonly {
      border-radius: 20px;
      border: 1px solid rgba(31, 58, 95, 0.18);
      box-shadow:
        0 6px 18px rgba(15, 31, 72, 0.07),
        inset 0 1px 0 rgba(255, 255, 255, 0.65);
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .program-static-page .track.track-readonly:hover {
      box-shadow:
        0 12px 28px rgba(15, 31, 72, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
      transform: translateY(-2px);
    }

    .program-static-page .track-title-readonly {
      font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
      letter-spacing: 0.01em;
      color: #082241;
      font-weight: 900;
    }

    .program-static-page .track-room-readonly {
      font-size: clamp(14px, 1.05vw, 16px);
      color: #0c274a;
      font-weight: 900;
    }

    .program-static-page .chair-line-track {
      backdrop-filter: blur(6px);
      border: 1px solid rgba(31, 58, 95, 0.1);
      box-shadow: 0 2px 8px rgba(15, 31, 72, 0.04);
    }

    .program-static-page .chair-line-track .track-chair-readonly {
      font-size: clamp(14px, 1.05vw, 16px);
      font-weight: 850;
      color: #0c274a;
    }

    .program-static-page .zoom-line-track {
      backdrop-filter: blur(6px);
      border: 1px solid rgba(99, 102, 241, 0.22);
      box-shadow: 0 2px 8px rgba(79, 70, 229, 0.08);
      background:
        radial-gradient(120% 80% at 100% 0%, rgba(99, 102, 241, 0.12), transparent 60%),
        rgba(255, 255, 255, 0.78);
    }

    .program-static-page .track-zoom-readonly-link {
      color: #5b21b6;
      font-weight: 900;
      letter-spacing: 0.01em;
      font-size: clamp(13px, 1.05vw, 16px);
    }

    .program-static-page .schedule-item.technical .session-time-display {
      color: #071a38;
      font-size: clamp(18px, 1.35vw, 21px);
    }

    .program-static-page .mode-badge {
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    }

    .program-static-page .mode-online {
      background: linear-gradient(135deg, #6d28d9 0%, #7c3aed 100%);
    }

    .program-static-page .mode-onsite {
      background: linear-gradient(135deg, #065f46 0%, #047857 100%);
    }

    .program-static-page .room-line {
      backdrop-filter: blur(6px);
      border: 1px solid rgba(31, 58, 95, 0.08);
      box-shadow: 0 2px 8px rgba(15, 31, 72, 0.04);
    }

    .program-static-page .paper-item.paper-readonly {
      border-radius: 14px;
      border: 1px solid rgba(31, 58, 95, 0.16);
      background: #fff;
      box-shadow: 0 2px 12px rgba(15, 31, 72, 0.08);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .program-static-page .paper-item.paper-readonly:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(15, 31, 72, 0.08);
    }

    .program-static-page .paper-item .paper-time {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      background: rgba(31, 58, 95, 0.12);
      color: #0f2744;
      margin-bottom: 6px;
    }

    .program-static-page .footer-note {
      position: relative;
      margin-top: 36px;
      padding: 24px 24px 24px 34px;
      border-radius: 18px;
      border: 1px solid rgba(31, 58, 95, 0.2);
      background: linear-gradient(135deg, #ffffff 0%, #f5f8fc 100%);
      box-shadow: 0 10px 32px rgba(15, 31, 72, 0.1);
      color: #1e293b;
      font-weight: 500;
      font-size: 17px;
      line-height: 1.65;
    }

    .program-static-page .footer-note::before {
      content: "";
      position: absolute;
      left: 12px;
      top: 16px;
      bottom: 16px;
      width: 6px;
      border-radius: 8px;
      background: linear-gradient(180deg, #1f3a5f 0%, #2563eb 100%);
      opacity: 0.95;
    }

    @media (max-width: 700px) {
      .program-static-page .program-static-toolbar-row {
        flex-direction: column;
      }

      .program-static-page .program-static-toolbar-row .program-static-tabs-slot {
        flex: 1 1 100%;
        width: 100%;
      }
    }