/* ============================================
   ROG x AUDITION - Dark Gaming Theme
   Primary: #cc0000  Surface: #111111  BG: #080808
   ============================================ */

    /* --- Base --- */
    *, *::before, *::after { box-sizing: border-box; }

    html {
      height: 100%;
    }

    body {
      font-family: 'Sarabun', sans-serif;
      background-color: #080808;
      color: #e0e0e0;
      min-height: 100%;
      display: flex;
      flex-direction: column;
      background-image:
        linear-gradient(rgba(204,0,0,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(204,0,0,.03) 1px, transparent 1px),
        url('../images/main-bg.png');
      background-size: 40px 40px, 40px 40px, auto;
      background-position: 0 0, 0 0, center top;
      background-repeat: repeat, repeat, no-repeat;
      background-attachment: fixed;
    }

    /* --- Navbar --- */
    .gc-navbar {
      background: #0d0d0d;
      border-bottom: 1px solid #1e1e1e;
      padding: 0.75rem 1.5rem;
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 1px 20px rgba(204,0,0,.12);
      flex-shrink: 0;
    }
    .gc-brand {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-weight: 700;
      font-size: 1.15rem;
      color: #cc0000;
      letter-spacing: .5px;
      display: flex;
      align-items: center;
      gap: .5rem;
      text-shadow: 0 0 14px rgba(204,0,0,.6);
    }
    .gc-brand i { font-size: 1.4rem; }
    .gc-nav-link {
      font-size: .9rem;
      color: #888888;
      text-decoration: none;
      padding: .35rem .75rem;
      border-radius: 8px;
      transition: background .15s, color .15s;
      cursor: pointer;
    }
    .gc-nav-link:hover, .gc-nav-link.active {
      background: #1a0000;
      color: #cc0000;
    }

    /* Navbar - เลือกภาษา */
    .gc-lang-dropdown .dropdown-toggle::after {
      margin-left: .35rem;
      vertical-align: 0.12em;
      border-top-color: #aaaaaa;
    }
    .gc-lang-dropdown .dropdown-toggle:hover::after {
      border-top-color: #e0e0e0;
    }
    .gc-lang-dropdown .dropdown-menu.gc-lang-menu {
      background: #111111;
      border: 1px solid #2a2a2a;
      padding: .35rem;
      min-width: 10rem;
      box-shadow: 0 8px 28px rgba(0, 0, 0, .55), 0 0 0 1px rgba(204, 0, 0, .06);
    }
    .gc-lang-dropdown .dropdown-item {
      color: #e0e0e0;
      border-radius: 6px;
      font-size: .88rem;
      padding: .45rem .75rem;
    }
    .gc-lang-dropdown .dropdown-item:hover,
    .gc-lang-dropdown .dropdown-item:focus {
      background: #1a0000;
      color: #cc0000;
    }
    .gc-lang-dropdown .dropdown-item.active,
    .gc-lang-dropdown .dropdown-item:active {
      background: #2a0000;
      color: #cc0000;
    }

    /* --- Page Shell --- */
    .gc-page { display: none; }
    .gc-page.visible {
      display: block;
      flex: 1 0 auto;
    }

    /* --- Auth Card (Register / OTP) --- */
    .gc-auth-wrap {
      min-height: calc(100vh - 57px);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 2rem 1rem;
    }
    .gc-auth-card {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 16px;
      padding: 2.5rem 2.25rem;
      width: 100%;
      max-width: 480px;
      box-shadow: 0 4px 40px rgba(0,0,0,.6), 0 0 0 1px rgba(204,0,0,.08);
    }
    .gc-auth-logo {
      width: 52px; height: 52px;
      background: #1a0000;
      border-radius: 14px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.6rem; color: #cc0000;
      margin-bottom: 1.25rem;
      box-shadow: 0 0 16px rgba(204,0,0,.25);
    }
    .gc-auth-title {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-size: 1.4rem;
      font-weight: 700;
      color: #f0f0f0;
      margin-bottom: .25rem;
      letter-spacing: .3px;
    }
    .gc-auth-sub {
      font-size: .9rem;
      color: #777777;
      margin-bottom: 1.75rem;
    }

    /* --- Step Indicator --- */
    .gc-steps {
      display: flex;
      align-items: center;
      gap: 0;
      margin-bottom: 2rem;
    }
    .gc-step {
      display: flex;
      align-items: center;
      flex: 1;
    }
    .gc-step-dot {
      width: 32px; height: 32px;
      border-radius: 50%;
      border: 2px solid #2a2a2a;
      background: #111111;
      display: flex; align-items: center; justify-content: center;
      font-size: .78rem;
      font-weight: 600;
      color: #555555;
      flex-shrink: 0;
      transition: all .2s;
    }
    .gc-step.done .gc-step-dot {
      background: #cc0000;
      border-color: #cc0000;
      color: #fff;
      box-shadow: 0 0 10px rgba(204,0,0,.5);
    }
    .gc-step.active .gc-step-dot {
      background: #111111;
      border-color: #cc0000;
      color: #cc0000;
      box-shadow: 0 0 10px rgba(204,0,0,.3);
    }
    .gc-step-label {
      font-size: .75rem;
      color: #555555;
      margin-top: .3rem;
      white-space: nowrap;
    }
    .gc-step.active .gc-step-label,
    .gc-step.done .gc-step-label { color: #cc0000; }
    .gc-step-line {
      height: 2px;
      background: #2a2a2a;
      flex: 1;
    }
    .gc-step-line.done { background: #cc0000; box-shadow: 0 0 6px rgba(204,0,0,.4); }
    .gc-step-inner { display: flex; flex-direction: column; align-items: center; }

    /* --- Form Controls --- */
    .gc-label {
      font-size: .85rem;
      font-weight: 600;
      color: #cccccc;
      margin-bottom: .35rem;
      display: block;
    }
    .gc-input {
      width: 100%;
      padding: .65rem .9rem;
      border: 1.5px solid #2a2a2a;
      border-radius: 10px;
      font-family: 'Sarabun', sans-serif;
      font-size: .95rem;
      color: #e0e0e0;
      background: #0d0d0d;
      transition: border .15s, box-shadow .15s;
      outline: none;
    }
    .gc-input:focus {
      border-color: #cc0000;
      box-shadow: 0 0 0 3px rgba(204,0,0,.15);
    }
    .gc-input-group {
      position: relative;
    }
    .gc-input-icon {
      position: absolute;
      left: .9rem; top: 50%;
      transform: translateY(-50%);
      color: #555555;
      font-size: 1rem;
    }
    .gc-input-group .gc-input { padding-left: 2.5rem; }

    /* --- Buttons --- */
    .gc-btn {
      padding: .7rem 1.5rem;
      border-radius: 10px;
      font-family: 'Sarabun', sans-serif;
      font-size: .95rem;
      font-weight: 600;
      border: none;
      cursor: pointer;
      transition: all .15s;
      display: inline-flex;
      align-items: center;
      gap: .4rem;
    }
    .gc-btn-primary {
      background: #cc0000;
      color: #fff;
      box-shadow: 0 0 14px rgba(204,0,0,.35);
    }
    .gc-btn-primary:hover {
      background: #ee1111;
      box-shadow: 0 0 22px rgba(204,0,0,.55);
    }
    .gc-btn-outline {
      background: transparent;
      border: 1.5px solid #333333;
      color: #aaaaaa;
    }
    .gc-btn-outline:hover { background: #1a1a1a; border-color: #555555; color: #e0e0e0; }
    .gc-btn-danger {
      background: transparent;
      border: 1.5px solid #660000;
      color: #ff4444;
    }
    .gc-btn-danger:hover { background: #1a0000; }
    .gc-btn-sm { padding: .4rem .9rem; font-size: .82rem; border-radius: 8px; }
    .gc-btn:disabled { opacity: .4; cursor: not-allowed; }

    /* --- Guide Box --- */
    .gc-guide {
      background: #0f0a00;
      border: 1px solid #3a2200;
      border-radius: 10px;
      padding: .85rem 1rem;
      font-size: .85rem;
      color: #cc8800;
      margin-bottom: 1.5rem;
    }
    .gc-guide i { margin-right: .4rem; }
    .gc-guide ul { margin: .4rem 0 0 1rem; padding: 0; }
    .gc-guide li { margin-bottom: .2rem; }

    /* --- OTP Input --- */
    .gc-otp-wrap {
      display: flex;
      gap: .6rem;
      justify-content: center;
      margin: 1.25rem 0;
    }
    .gc-otp-box {
      width: 52px; height: 60px;
      border: 1.5px solid #2a2a2a;
      border-radius: 10px;
      text-align: center;
      font-size: 1.5rem;
      font-weight: 700;
      color: #f0f0f0;
      background: #0d0d0d;
      outline: none;
      transition: border .15s, box-shadow .15s;
      font-family: 'Sarabun', sans-serif;
    }
    .gc-otp-box:focus {
      border-color: #cc0000;
      box-shadow: 0 0 0 3px rgba(204,0,0,.15);
    }
    .gc-otp-box.filled {
      border-color: #cc0000;
      background: #1a0000;
    }

    /* --- OTP Timer --- */
    .gc-timer {
      font-size: .85rem;
      color: #777777;
      text-align: center;
    }
    .gc-timer-count { font-weight: 700; color: #ff4444; }
    .gc-timer-count.ok { color: #cc0000; }

    /* --- Booking Layout --- */
    .gc-booking-wrap {
      max-width: 1100px;
      margin: 0 auto;
      padding: 2rem 1rem;
    }

    /* --- Slot Bar --- */
    .gc-slot-bar {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 14px;
      padding: 1.25rem 1.5rem;
      margin-bottom: 1.75rem;
      box-shadow: 0 2px 16px rgba(0,0,0,.4);
    }
    .gc-slot-title {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      color: #f0f0f0;
      margin-bottom: .9rem;
      display: flex;
      align-items: center;
      gap: .5rem;
      letter-spacing: .3px;
    }
    .gc-slot-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
    }
    .gc-slot-item {
      background: #111111;
      border: 1.5px solid #2a2a2a;
      border-radius: 14px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 2px 12px rgba(0,0,0,.4);
      display: flex;
      flex-direction: column;
      transition: border-color .2s, box-shadow .2s;
    }
    .gc-slot-item:hover {
      border-color: #550000;
      box-shadow: 0 4px 20px rgba(204,0,0,.15);
    }
    .gc-slot-img {
      width: 100%;
      /* height: 120px; */
      /* object-fit: cover; */
      display: block;
      flex-shrink: 0;
    }
    .gc-slot-body {
      padding: .9rem 1rem 1rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .gc-slot-name {
      font-weight: 700;
      font-size: .92rem;
      color: #f0f0f0;
      margin-bottom: .35rem;
    }
    .gc-slot-badge {
      display: inline-flex;
      align-items: center;
      gap: .25rem;
      padding: .18rem .6rem;
      border-radius: 99px;
      font-size: .74rem;
      font-weight: 600;
      margin-bottom: .4rem;
    }
    .gc-badge-wait  { background: #1a1200; color: #ffaa00; border: 1px solid #3a2800; }
    .gc-badge-review{ background: #001020; color: #0099ff; border: 1px solid #002244; }
    .gc-badge-fail  { background: #1a0000; color: #ff4444; border: 1px solid #440000; }
    .gc-badge-ok    { background: #001508; color: #00cc66; border: 1px solid #003320; }
    .gc-badge-expired{ background: #1a1a1a; color: #666666; border: 1px solid #2a2a2a; }

    .gc-slot-empty {
      background: #0d0d0d;
      border: 1.5px dashed #333333;
      border-radius: 14px;
      min-height: 96px;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      color: #444444;
      font-size: .85rem;
    }
    @media (min-width: 901px) {
      .gc-slot-empty {
        flex-direction: column;
        min-height: 180px;
      }
    }
    .gc-remain-chips {
      font-size: .82rem;
      color: #777777;
      margin-left: auto;
    }
    .gc-remain-chips span {
      background: #1a0000;
      color: #cc0000;
      font-weight: 700;
      padding: .15rem .55rem;
      border-radius: 99px;
      margin-left: .25rem;
    }

    /* --- Alert dot on Slot --- */
    .gc-slot-alert {
      position: absolute;
      top: 8px; right: 8px;
      width: 22px; height: 22px;
      background: #cc0000;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 0 3px #111111, 0 0 10px rgba(204,0,0,.6);
    }
    .gc-slot-alert i { font-size: .7rem; color: #fff; }

    /* --- Item Grid --- */
    .gc-section-title {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-size: 1.05rem;
      font-weight: 700;
      color: #f0f0f0;
      margin-bottom: 1rem;
      letter-spacing: .3px;
    }
    .gc-item-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 1.25rem;
      align-items: stretch;
    }
    .gc-item-card {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 2px 12px rgba(0,0,0,.4);
      transition: box-shadow .2s, transform .2s, border-color .2s;
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
      min-height: 0;
    }
    .gc-item-card:hover {
      box-shadow: 0 8px 28px rgba(204,0,0,.2);
      transform: translateY(-2px);
      border-color: #550000;
    }
    .gc-item-img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      display: block;
    }
    .gc-item-body {
      padding: 1rem;
      display: flex;
      flex-direction: column;
      flex: 1 1 auto;
      min-height: 0;
    }
    /* กลุ่มล่างการ์ด: ดันให้ชิดล่างเดียวกันทุกใบในแถว (ร่วมกับ .gc-item-card สูงเต็มแถว grid) */
    .gc-item-footer {
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      width: 100%;
      min-height: 0;
    }
    .gc-item-footer .gc-item-remain {
      margin-top: 0;
      margin-bottom: 0;
    }
    .gc-item-footer .gc-item-progress-wrap {
      margin-bottom: 0;
    }
    .gc-item-name {
      font-weight: 700;
      font-size: .95rem;
      color: #f0f0f0;
      margin-bottom: .3rem;
    }
    .gc-item-remain {
      font-size: .82rem;
      color: #888888;
      margin-top: 0;
      margin-bottom: .9rem;
      display: flex;
      align-items: center;
      gap: .3rem;
    }
    .gc-item-remain .dot {
      width: 7px; height: 7px;
      border-radius: 50%;
      background: #00cc66;
      display: inline-block;
      box-shadow: 0 0 6px rgba(0,204,102,.5);
    }
    .gc-item-remain .dot.low  { background: #ff8800; box-shadow: 0 0 6px rgba(255,136,0,.5); }
    .gc-item-remain .dot.empty{ background: #333333; box-shadow: none; }
    .gc-item-deadline {
      font-size: .78rem;
      color: #555555;
      margin-bottom: .75rem;
    }

    /* --- Upload Page --- */
    .gc-upload-wrap {
      max-width: 600px;
      margin: 2rem auto;
      padding: 0 1rem;
    }
    .gc-upload-card {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 16px;
      padding: 2rem;
      box-shadow: 0 4px 32px rgba(0,0,0,.5);
    }
    .gc-upload-zone {
      border: 2px dashed #333333;
      border-radius: 12px;
      padding: 2.5rem 1rem;
      text-align: center;
      cursor: pointer;
      transition: border-color .15s, background .15s;
      background: #0d0d0d;
    }
    .gc-upload-zone:hover {
      border-color: #cc0000;
      background: #140000;
    }
    .gc-upload-zone i { font-size: 2.5rem; color: #444444; margin-bottom: .5rem; }
    .gc-upload-zone p { color: #777777; font-size: .9rem; margin: 0; }
    .gc-upload-zone small { color: #444444; font-size: .8rem; }
    .gc-upload-preview {
      margin-top: 1rem;
      text-align: center;
    }
    .gc-upload-preview img {
      max-width: 100%; max-height: 220px;
      border-radius: 10px;
      border: 1px solid #2a2a2a;
      object-fit: contain;
    }

    /* --- Info Row --- */
    .gc-info-row {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 1rem;
    }
    .gc-info-box {
      flex: 1;
      min-width: 160px;
      background: #0d0d0d;
      border: 1px solid #2a2a2a;
      border-radius: 10px;
      padding: .8rem 1rem;
    }
    .gc-info-label { font-size: .75rem; color: #555555; margin-bottom: .1rem; }
    .gc-info-val   { font-weight: 600; font-size: .9rem; color: #f0f0f0; }
    .gc-info-meta  { font-size: .74rem; color: #777777; line-height: 1.35; }

    /* Section labels (modal อัปโหลด / ยืนยันการจอง) */
    .gc-upload-section-label {
      font-size: .84rem;
      font-weight: 700;
      color: #d4d4d4;
      margin-bottom: .5rem;
      display: flex;
      align-items: center;
      gap: .4rem;
      flex-wrap: wrap;
    }

    .gc-book-modal-block {
      font-size: .82rem;
      line-height: 1.55;
      padding: .75rem 1rem;
      border-radius: 10px;
      min-height: 3.25rem;
    }
    .gc-book-modal-block--dark {
      background: #0d0d0d;
      color: #cccccc;
      border: 1px solid #2a2a2a;
    }
    .gc-book-modal-block--gift {
      background: #f0fdf4;
      border: 1px solid #bbf7d0;
      color: #166534;
      line-height: 1.8;
    }
    .gc-book-modal-block--special {
      background: #fffbeb;
      border: 1px solid #fde68a;
      color: #92400e;
      line-height: 1.5;
    }

    /* --- History Page --- */
    .gc-history-wrap {
      max-width: 900px;
      margin: 0 auto;
      padding: 2rem 1rem;
    }
    .gc-history-card {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 14px;
      padding: 1.25rem 1.5rem;
      margin-bottom: 1rem;
      box-shadow: 0 2px 12px rgba(0,0,0,.4);
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
      transition: border-color .15s;
    }
    .gc-history-card:hover { border-color: #440000; }
    .gc-history-img {
      width: 64px; height: 64px;
      border-radius: 10px;
      object-fit: cover;
      flex-shrink: 0;
    }
    .gc-history-body { flex: 1; }
    .gc-history-name { font-weight: 700; font-size: .97rem; color: #f0f0f0; }
    .gc-history-meta { font-size: .82rem; color: #777777; margin-top: .2rem; }

    /* --- Misc --- */
    .gc-divider {
      border: none;
      border-top: 1px solid #1e1e1e;
      margin: 1.25rem 0;
    }
    .gc-page-title {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-size: 1.25rem;
      font-weight: 700;
      color: #f0f0f0;
      margin-bottom: .3rem;
      letter-spacing: .3px;
    }
    .gc-page-sub {
      font-size: .88rem;
      color: #777777;
      margin-bottom: 1.5rem;
    }

    /* --- Toast --- */
    .gc-toast-wrap {
      position: fixed;
      top: 70px; right: 20px;
      z-index: 9999;
      display: flex;
      flex-direction: column;
      gap: .6rem;
    }
    .gc-toast {
      background: #1a1a1a;
      border: 1px solid #2a2a2a;
      border-radius: 12px;
      padding: .85rem 1.1rem;
      box-shadow: 0 8px 32px rgba(0,0,0,.7);
      display: flex;
      align-items: center;
      gap: .65rem;
      font-size: .88rem;
      color: #e0e0e0;
      min-width: 260px;
      animation: slideIn .2s ease;
    }
    .gc-toast.success { border-left: 4px solid #00cc66; }
    .gc-toast.error   { border-left: 4px solid #cc0000; }
    .gc-toast.info    { border-left: 4px solid #cc0000; }
    @keyframes slideIn {
      from { opacity: 0; transform: translateX(40px); }
      to   { opacity: 1; transform: translateX(0); }
    }

    /* --- Modal Overrides --- */
    .gc-modal .modal-content {
      border-radius: 16px;
      border: 1px solid #2a2a2a;
      background: #111111;
      color: #e0e0e0;
    }
    .gc-modal .modal-header {
      border-bottom: 1px solid #1e1e1e;
      padding: 1.25rem 1.5rem;
    }
    .gc-modal .modal-footer {
      border-top: 1px solid #1e1e1e;
      padding: 1rem 1.5rem;
      gap: .75rem;
    }
    .gc-modal .modal-footer .gc-btn { flex: 1; justify-content: center; }

    /* --- Auth Hero Banner --- */
    .gc-auth-wrap-col {
      flex-direction: column;
      gap: 1.5rem;
      padding-top: 2rem;
    }
    .gc-auth-hero {
      text-align: center;
      max-width: 480px;
      width: 100%;
    }
    .gc-auth-hero-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 76px; height: 76px;
      background: linear-gradient(135deg, #990000 0%, #cc0000 100%);
      border-radius: 22px;
      font-size: 2.1rem;
      color: #fff;
      margin-bottom: 1rem;
      box-shadow: 0 8px 32px rgba(204,0,0,.5);
    }
    .gc-auth-hero-title {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-size: 1.65rem;
      font-weight: 800;
      color: #f0f0f0;
      margin-bottom: .35rem;
      letter-spacing: .5px;
    }
    .gc-auth-hero-sub {
      font-size: .9rem;
      color: #777777;
      margin-bottom: .9rem;
    }
    .gc-auth-hero-chips {
      display: flex;
      justify-content: center;
      gap: .65rem;
      flex-wrap: wrap;
    }
    .gc-auth-hero-chip {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      background: #1a1a1a;
      border: 1.5px solid #2a2a2a;
      border-radius: 99px;
      padding: .3rem .85rem;
      font-size: .8rem;
      color: #aaaaaa;
      font-weight: 600;
    }

    /* --- Upload Multi-image --- */
    .gc-upload-preview-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: .65rem;
      margin-top: .85rem;
    }
    .gc-upload-thumb {
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      border: 1.5px solid #2a2a2a;
      aspect-ratio: 1;
      background: #0d0d0d;
    }
    .gc-upload-thumb img {
      width: 100%; height: 100%;
      object-fit: cover;
      display: block;
    }
    .gc-upload-thumb-label {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      background: rgba(0,0,0,.7);
      color: #fff;
      font-size: .68rem;
      padding: .2rem .4rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .gc-upload-thumb-remove {
      position: absolute;
      top: 4px; right: 4px;
      background: rgba(204,0,0,.85);
      color: #fff;
      border: none;
      border-radius: 50%;
      width: 22px; height: 22px;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      font-size: .75rem;
      padding: 0;
      transition: background .15s;
    }
    .gc-upload-thumb-remove:hover { background: #cc0000; }
    .gc-upload-thumb-add {
      border: 2px dashed #333333;
      border-radius: 10px;
      aspect-ratio: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: .3rem;
      cursor: pointer;
      color: #555555;
      font-size: .8rem;
      transition: border-color .15s, background .15s, color .15s;
      background: #0d0d0d;
    }
    .gc-upload-thumb-add:hover {
      border-color: #cc0000;
      color: #cc0000;
      background: #140000;
    }
    .gc-upload-thumb-add i { font-size: 1.4rem; }

    /* --- History Pagination --- */
    .gc-pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: .4rem;
      margin-top: 1.25rem;
      padding-bottom: .5rem;
      flex-wrap: wrap;
    }
    .gc-pagination-btn {
      min-width: 36px; height: 36px;
      border: 1.5px solid #2a2a2a;
      background: #111111;
      border-radius: 9px;
      font-family: 'Sarabun', sans-serif;
      font-size: .85rem;
      font-weight: 600;
      color: #888888;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all .15s;
      padding: 0 .65rem;
    }
    .gc-pagination-btn:hover:not(:disabled) { border-color: #cc0000; color: #cc0000; background: #1a0000; }
    .gc-pagination-btn.active { background: #cc0000; border-color: #cc0000; color: #fff; box-shadow: 0 0 10px rgba(204,0,0,.4); }
    .gc-pagination-btn:disabled { opacity: .3; cursor: not-allowed; }
    .gc-pagination-info {
      font-size: .82rem;
      color: #555555;
      text-align: center;
      margin-top: .4rem;
    }

    /* --- Slot Row Layout (mobile) --- */
    @media (max-width: 900px) {
      .gc-slot-list {
        grid-template-columns: 1fr;
        gap: .75rem;
      }
      .gc-slot-item {
        flex-direction: row;
        align-items: flex-start;
        border-radius: 14px;
        overflow: hidden;
      }
      .gc-slot-img {
        width: 96px;
        height: 96px;
        flex-shrink: 0;
        object-fit: cover;
        border-radius: 0;
      }
      .gc-slot-body {
        padding: .75rem 1rem;
        flex: 1;
        min-width: 0;
      }
      .gc-slot-name { font-size: .9rem; }
      .gc-slot-alert { top: 6px; right: 6px; }
    }

    /* --- Responsive --- */

    /* ≤ 768px : item grid 3 คอลัมน์ */
    @media (max-width: 768px) {
      .gc-item-grid  { grid-template-columns: repeat(3, 1fr); gap: .75rem; }
      .gc-item-img   { height: 110px; }
      .gc-item-body  { padding: .75rem; }
      .gc-item-name  { font-size: .82rem; }
    }

    /* ≤ 480px : item grid 2 คอลัมน์ */
    @media (max-width: 480px) {
      .gc-item-grid  { grid-template-columns: repeat(2, 1fr); gap: .6rem; }
      .gc-item-img   { height: 90px; }
      .gc-slot-img   { width: 80px; height: 80px; }
      .gc-auth-card  { padding: 1.75rem 1.25rem; }
      .gc-otp-box    { width: 40px; height: 48px; font-size: 1.2rem; }
      .gc-btn.gc-btn-sm { font-size: .76rem; padding: .35rem .6rem; }
    }

    /* --- Notification Banner --- */
    .gc-notify-banner {
      border-radius: 10px;
      padding: .85rem 1rem;
      font-size: .87rem;
      display: flex;
      align-items: flex-start;
      gap: .6rem;
      margin-top: .75rem;
    }
    .gc-notify-fail { background: #1a0000; border: 1px solid #440000; color: #ff6666; }
    .gc-notify-ok   { background: #001508; border: 1px solid #003320; color: #00cc66; }
    .gc-notify-warn { background: #1a1200; border: 1px solid #3a2800; color: #ffaa00; }

    .gc-attempts {
      font-size: .8rem;
      color: #777777;
      margin-top: .4rem;
    }
    .gc-attempts span { color: #ff4444; font-weight: 700; }

    /* --- Expired Overlay --- */
    .gc-expired-overlay {
      background: rgba(8,8,8,.9);
      border-radius: 14px;
      position: absolute; inset: 0;
      display: flex; align-items: center; justify-content: center;
      flex-direction: column;
      text-align: center;
      padding: 1rem;
    }

    /* --- Profile Page --- */
    .gc-profile-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1.1rem 1.25rem;
    }
    .gc-profile-icon {
      width: 40px; height: 40px;
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .gc-profile-info { flex: 1; min-width: 0; }
    .gc-profile-label { font-size: .75rem; color: #555555; margin-bottom: .1rem; }
    .gc-profile-val   { font-weight: 600; font-size: .95rem; color: #f0f0f0; word-break: break-all; }

    /* --- Resubmit Tag --- */
    .gc-resubmit-tag {
      display: inline-flex; align-items: center; gap: .3rem;
      background: #1a0800; border: 1px solid #3a1800;
      color: #ff8800;
      padding: .2rem .6rem; border-radius: 99px;
      font-size: .76rem; font-weight: 600;
      margin-top: .25rem;
    }

    /* --- Item Progress Bar --- */
    .gc-item-progress-wrap {
      height: 6px;
      background: #1e1e1e;
      border-radius: 99px;
      overflow: hidden;
      margin-bottom: .75rem;
    }
    .gc-item-progress-bar {
      height: 100%;
      border-radius: 99px;
      background: #00cc66;
      box-shadow: 0 0 6px rgba(0,204,102,.4);
      transition: width .3s ease;
    }
    .gc-item-progress-bar.low  { background: #ff8800; box-shadow: 0 0 6px rgba(255,136,0,.4); }
    .gc-item-progress-bar.empty { background: #2a2a2a; box-shadow: none; }

    /* --- Countdown --- */
    .gc-countdown {
      font-size: .78rem;
      color: #ffaa00;
      background: #1a1200;
      border: 1px solid #3a2800;
      border-radius: 8px;
      padding: .3rem .65rem;
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      margin-top: .4rem;
      margin-bottom: .5rem;
      font-weight: 600;
    }
    .gc-countdown.urgent {
      color: #ff4444;
      background: #1a0000;
      border-color: #440000;
    }
    .gc-countdown-time {
      font-variant-numeric: tabular-nums;
      letter-spacing: .03em;
    }

    /* --- Code Reveal Box --- */
    .gc-code-box {
      background: #001508;
      border: 1.5px solid #003320;
      border-radius: 10px;
      padding: .55rem .9rem;
      /* margin-top: .5rem; */
      display: flex;
      align-items: center;
      gap: .5rem;
    }
    .gc-code-val {
      font-family: 'Courier New', monospace;
      font-size: .9rem;
      font-weight: 700;
      color: #00cc66;
      flex: 1;
      letter-spacing: .06em;
      word-break: break-all;
      text-shadow: 0 0 8px rgba(0,204,102,.4);
    }
    .gc-code-eye {
      background: none;
      border: none;
      color: #555555;
      cursor: pointer;
      padding: .2rem .35rem;
      border-radius: 6px;
      transition: color .15s, background .15s;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .gc-code-eye:hover { color: #cc0000; background: #1a0000; }

    /* --- Item Card - Buy/Reward Info --- */
    .gc-item-info-row {
      font-size: .74rem;
      color: #777777;
      margin-bottom: .22rem;
      display: flex;
      align-items: flex-start;
      gap: .28rem;
      line-height: 1.4;
    }
    .gc-item-info-row i { margin-top: .1rem; flex-shrink: 0; }
    .gc-item-reward-tag {
      display: inline-flex;
      align-items: center;
      gap: .2rem;
      background: #001508;
      border: 1px solid #003320;
      border-radius: 6px;
      padding: .13rem .45rem;
      font-size: .71rem;
      font-weight: 600;
      color: #00cc66;
      margin: .1rem .18rem .1rem 0;
    }
    .gc-item-special-tag {
      display: inline-flex;
      align-items: center;
      gap: .2rem;
      background: #1a1200;
      border: 1px solid #3a2800;
      border-radius: 6px;
      padding: .13rem .45rem;
      font-size: .71rem;
      font-weight: 600;
      color: #ffaa00;
      margin: .1rem .18rem .1rem 0;
    }
    .gc-code-label {
      font-size: .74rem;
      color: #777777;
      font-weight: 600;
      /* margin-bottom: .18rem; */
      display: flex;
      align-items: center;
      gap: .3rem;
    }
    .gc-codes-section { margin-top: .5rem; }
    .gc-codes-section-title {
      font-size: .8rem;
      font-weight: 700;
      color: #888888;
      margin-bottom: .4rem;
      display: flex;
      align-items: center;
      gap: .3rem;
    }

    /* --- History Tabs --- */
    .gc-history-tabs {
      display: flex;
      gap: .4rem;
      flex-wrap: wrap;
      margin-bottom: 1.25rem;
    }
    .gc-history-tab-btn {
      padding: .38rem .9rem;
      border-radius: 99px;
      font-size: .82rem;
      font-weight: 600;
      border: 1.5px solid #2a2a2a;
      background: #111111;
      color: #777777;
      cursor: pointer;
      white-space: nowrap;
      transition: all .15s;
      font-family: 'Sarabun', sans-serif;
    }
    .gc-history-tab-btn:hover { border-color: #cc0000; color: #cc0000; }
    .gc-history-tab-btn.active { background: #cc0000; border-color: #cc0000; color: #fff; box-shadow: 0 0 10px rgba(204,0,0,.35); }
    .gc-history-group { display: none; }
    .gc-history-group.visible { display: block; }

    /* --- Auth Mode: ซ่อน nav ทุกรูปแบบ --- */
    body.auth-mode #gc-navbar,
    body.auth-mode #gc-bottom-nav {
      display: none !important;
    }

    /* --- Footer --- */
    .gc-footer {
      background: #050505;
      color: #555555;
      padding: 2.25rem 1.5rem 1.75rem;
      position: relative;
      z-index: 1;
      flex-shrink: 0;
    }
    .gc-footer::before {
      content: '';
      display: block;
      height: 2px;
      background: linear-gradient(90deg, transparent, #880000 25%, #cc0000 50%, #880000 75%, transparent);
      position: absolute;
      top: 0; left: 0; right: 0;
      box-shadow: 0 0 12px rgba(204,0,0,.4);
    }
    .gc-footer-inner {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }
    .gc-footer-brand {
      display: flex;
      align-items: center;
      gap: .6rem;
    }
    .gc-footer-brand-icon {
      width: 40px; height: 40px;
      background: linear-gradient(135deg, #880000, #cc0000);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.15rem;
      color: #fff;
      box-shadow: 0 4px 16px rgba(204,0,0,.4);
    }
    .gc-footer-brand-name {
      font-family: 'Rajdhani', 'Sarabun', sans-serif;
      font-size: 1rem;
      font-weight: 700;
      color: #e0e0e0;
      letter-spacing: .3px;
    }
    .gc-footer-brand-by {
      font-size: .72rem;
      color: #333333;
      margin-top: .05rem;
    }
    .gc-footer-divider {
      width: 100%;
      border: none;
      border-top: 1px solid #1a1a1a;
    }
    .gc-footer-links {
      display: flex;
      justify-content: center;
      gap: .25rem 1.5rem;
      flex-wrap: wrap;
    }
    .gc-footer-links a {
      color: #444444;
      text-decoration: none;
      font-size: .8rem;
      transition: color .15s;
    }
    .gc-footer-links a:hover { color: #cc0000; }
    .gc-footer-copy {
      font-size: .74rem;
      color: #898989;
      text-align: center;
      line-height: 1.6;
    }
    @media (max-width: 768px) {
      .gc-footer { padding-bottom: calc(64px + 1.5rem); }
    }

    /* --- Bottom Nav (mobile) --- */
    .gc-bottom-nav {
      display: none;
      flex-direction: column;
      position: fixed;
      bottom: 0; left: 0; right: 0;
      height: 64px;
      background: #0d0d0d;
      border-top: 1px solid #1e1e1e;
      box-shadow: 0 -4px 20px rgba(0,0,0,.6);
      z-index: 1000;
      padding: 0 .5rem;
      padding-bottom: env(safe-area-inset-bottom);
    }
    .gc-bottom-nav-inner {
      display: flex;
      align-items: stretch;
      height: 100%;
    }
    .gc-bottom-tab {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: .2rem;
      cursor: pointer;
      border-radius: 12px;
      margin: .4rem .2rem;
      transition: background .15s;
      color: #444444;
      text-decoration: none;
      border: none;
      background: transparent;
      padding: 0;
    }
    .gc-bottom-tab:active { background: #1a0000; }
    .gc-bottom-tab.active { color: #cc0000; }
    .gc-bottom-tab i { font-size: 1.3rem; line-height: 1; }
    .gc-bottom-tab span {
      font-size: .68rem;
      font-weight: 600;
      font-family: 'Sarabun', sans-serif;
      line-height: 1;
    }
    .gc-bottom-tab-dot {
      width: 5px; height: 5px;
      border-radius: 50%;
      background: #cc0000;
      margin-top: .15rem;
      opacity: 0;
      transition: opacity .15s;
      box-shadow: 0 0 6px #cc0000;
    }
    .gc-bottom-tab.active .gc-bottom-tab-dot { opacity: 1; }

    /* เพิ่ม padding-bottom ให้เนื้อหาไม่ถูก bottom nav บัง */
    @media (max-width: 768px) {
      .gc-bottom-nav { display: flex; }
      .gc-navbar { display: none !important; }
      body { padding-bottom: 64px; }
      .gc-booking-wrap,
      .gc-history-wrap { padding-top: 1.25rem; }
    }

    /* --- Background Shimmer Rays (ROG Red) --- */
    .gc-shimmer-wrap {
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      overflow: hidden;
    }
    .gc-shimmer-ray {
      position: absolute;
      top: -30%;
      height: 160%;
      background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(204,0,0,0.04) 20%,
        rgba(204,0,0,0.09) 45%,
        rgba(220,0,0,0.11) 50%,
        rgba(204,0,0,0.09) 55%,
        rgba(204,0,0,0.04) 80%,
        transparent 100%
      );
      transform: skewX(-18deg);
      filter: blur(10px);
      opacity: 0;
      will-change: left, opacity;
    }
    .gc-shimmer-ray-1 {
      width: 6%;
      animation: gcRaySweep 11s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    .gc-shimmer-ray-2 {
      width: 3%;
      animation: gcRaySweep 15s cubic-bezier(0.4, 0, 0.6, 1) infinite 5s;
      filter: blur(6px);
    }
    .gc-shimmer-ray-3 {
      width: 1.5%;
      animation: gcRaySweep 9s cubic-bezier(0.4, 0, 0.6, 1) infinite 8.5s;
      filter: blur(4px);
      opacity: 0;
    }
    @keyframes gcRaySweep {
      0%   { left: -12%; opacity: 0; }
      4%   { opacity: 1; }
      92%  { opacity: 1; }
      100% { left: 115%; opacity: 0; }
    }

    /* --- ROG Neon Pulse on Brand --- */
    @keyframes rogPulse {
      0%, 100% { text-shadow: 0 0 8px rgba(204,0,0,.5), 0 0 20px rgba(204,0,0,.2); }
      50%       { text-shadow: 0 0 16px rgba(204,0,0,.9), 0 0 40px rgba(204,0,0,.4); }
    }
    .gc-brand { animation: rogPulse 3s ease-in-out infinite; }

    /* --- Scrollbar --- */
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    ::-webkit-scrollbar-track { background: #0d0d0d; }
    ::-webkit-scrollbar-thumb { background: #330000; border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: #cc0000; }

    /* --- Bootstrap Modal Dark Override --- */
    .modal-content {
      background: #111111 !important;
      color: #e0e0e0 !important;
      border: 1px solid #2a2a2a !important;
    }
    .modal-header, .modal-footer {
      border-color: #1e1e1e !important;
    }
    .modal-title { color: #f0f0f0 !important; }
    .btn-close { filter: invert(1) brightness(0.6); }
    .btn-close:hover { filter: invert(1) brightness(1); }

    /* --- Bootstrap Form Controls Override --- */
    .form-control, .form-select {
      background: #0d0d0d !important;
      border-color: #2a2a2a !important;
      color: #e0e0e0 !important;
    }
    .form-control:focus, .form-select:focus {
      background: #0d0d0d !important;
      border-color: #cc0000 !important;
      box-shadow: 0 0 0 3px rgba(204,0,0,.15) !important;
      color: #e0e0e0 !important;
    }
    .form-label { color: #cccccc; }
    .text-muted { color: #666666 !important; }
    .text-secondary { color: #777777 !important; }

    /* --- ROG Card Focus Glow --- */
    .gc-auth-card:focus-within {
      border-color: #440000;
      box-shadow: 0 4px 40px rgba(0,0,0,.6), 0 0 0 1px rgba(204,0,0,.2);
    }

    /* === Styles moved from mockup.html (inline -> stylesheet) === */
    .gc-navbar-vr { height: 20px !important; background: #2a2a2a !important; opacity: 1 !important; }
    .gc-navbar-profile-trigger { cursor: pointer; }
    .gc-navbar-avatar {
      width: 32px; height: 32px; background: #1a0000; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: #cc0000; font-size: .9rem;
    }
    #navbar-username { font-size: .88rem; font-weight: 600; color: #cccccc; }

    .gc-bottom-tab--logout { color: #dc2626; }
    .gc-bottom-tab--logout .gc-bottom-tab-dot { background: #dc2626; }

    .gc-auth-hero-chip .bi-shield-check-fill { color: #00cc66; }
    .gc-auth-hero-chip .bi-lightning-charge-fill { color: #ffaa00; }
    .gc-auth-hero-chip .bi-gift-fill { color: #cc0000; }
    .gc-auth-hero-chip .bi-headset { color: #aa66ff; }

    .gc-optional-mark { font-size: .78rem; font-weight: 400; color: #555555; }
    .gc-form-hint { font-size: .8rem; color: #777777; }
    .gc-form-hint .bi-info-circle { color: #555555; }
    .gc-form-hint .bi-shield-check { color: #00cc66; }

    .gc-auth-logo--success {
      background: #f0fdf4 !important;
      color: #16a34a !important;
      box-shadow: 0 0 16px rgba(22,163,74,.22) !important;
    }

    .gc-auth-foot-note { font-size: .83rem; color: #777777; }
    .gc-auth-foot-note--click { cursor: pointer; }
    .gc-auth-foot-link { font-size: .83rem; color: #cc0000; cursor: pointer; font-weight: 600; }

    .gc-step.done .gc-step-dot .bi-check-lg { font-size: .8rem; }

    .gc-page-title > .bi { color: #cc0000; }
    .gc-slot-title > .bi-bookmark-check-fill { color: #cc0000; }

    .gc-notify-banner--compact { padding: .5rem .75rem !important; font-size: .78rem !important; }
    .gc-notify-banner--compact.gc-notify-fs-79 { font-size: .79rem !important; }
    .gc-notify-banner--compact.gc-notify-fs-8 { font-size: .8rem !important; }
    .gc-notify-sub { font-size: .75rem; }
    .gc-notify-sub--tight { font-size: .74rem; }

    .gc-slot-empty-icon { font-size: 1.6rem; color: #cbd5e1; }

    .gc-notify-banner.gc-notify-warn.mb-3 > .bi-alarm-fill { font-size: 1.1rem; }

    .gc-btn-preview-item {
      font-size: .8rem;
      padding: .3rem .75rem;
      gap: .35rem;
    }
    .gc-btn-preview-item .bi-image-fill { color: #7c3aed; }

    .gc-item-info-row > .bi { color: #cc0000; }

    .gc-item-reward-wrap { margin: .25rem 0 .3rem; }
    .gc-item-special-wrap { margin-bottom: .3rem; }

    .gc-item-progress-bar.gc-pct-38 { width: 38%; }
    .gc-item-progress-bar.gc-pct-55 { width: 55%; }
    .gc-item-progress-bar.gc-pct-72 { width: 72%; }
    .gc-item-progress-bar.gc-pct-45 { width: 45%; }
    .gc-item-progress-bar.gc-pct-60 { width: 60%; }
    .gc-item-progress-bar.gc-pct-12 { width: 12%; }
    .gc-item-progress-bar.gc-pct-8  { width: 8%; }
    .gc-item-progress-bar.gc-pct-0  { width: 0%; }

    .gc-history-card--muted { opacity: .7; }
    .gc-history-card--muted-light { opacity: .75; }

    .gc-history-meta-note { font-size: .79rem; color: #777777; }
    .gc-history-meta-note--plain { font-size: .79rem; }

    .gc-codes-section-title > .bi-gift-fill { color: #00cc66; }
    .gc-code-label > .bi-tag-fill { color: #cc0000; }

    .gc-history-wrap--profile { max-width: 680px; }

    .gc-profile-avatar-lg {
      width: 72px; height: 72px; background: #1a0000; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 2rem; color: #cc0000; flex-shrink: 0;
    }
    .gc-profile-name-em { font-size: 1.1rem; }
    .gc-profile-card-center { align-items: center; }

    .gc-profile-panel {
      background: #111111;
      border: 1px solid #2a2a2a;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 2px 16px rgba(0,0,0,.4);
    }
    .gc-profile-icon.gc-icon-rog { background: #1a0000; color: #cc0000; }
    .gc-profile-icon.gc-icon-phone { background: #f0fdf4; color: #16a34a; }
    .gc-profile-icon.gc-icon-neutral { background: #1a1a1a; color: #555555; }

    .gc-profile-divider { border-top: 1px solid #1e1e1e; }
    .gc-profile-badge-mt { margin-top: .2rem; }
    .gc-profile-hint {
      font-size: .75rem; color: #555555;
      display: block; margin-top: .15rem;
    }
    .gc-profile-hint-inline { font-size: .75rem; color: #555555; }
    .gc-profile-lock-note { font-size: .8rem; color: #cbd5e1; padding: .4rem .75rem; }

    .gc-upload-guide-strong { color: #dc2626; font-weight: 600; }
    .gc-upload-hint-inline { font-size: .76rem; font-weight: 400; color: #555555; margin-left: .2rem; }
    .gc-upload-zone.is-drag-over {
      border-color: #cc0000 !important;
      background: #140000 !important;
    }
    .gc-upload-cloud-icon { font-size: 2rem; color: #555555; }
    .gc-upload-zone-p { font-size: .87rem; }
    .gc-upload-count-row { font-size: .8rem; color: #777777; }
    .gc-upload-count-num { font-weight: 600; color: #374151; }
    .gc-upload-count-num.gc-has-files { color: #16a34a; }

    .gc-upload-section-label > .bi-receipt,
    .gc-upload-section-label > .bi-upc-scan,
    .gc-upload-section-label > .bi-cart3 { color: #cc0000; }
    .gc-upload-section-label > .bi-gift-fill { color: #16a34a; }
    .gc-upload-section-label > .bi-star-fill { color: #ffaa00; }

    .gc-modal .modal-title .bi-upload,
    .gc-modal .modal-title .bi-bookmark-plus-fill,
    .gc-modal .modal-title .bi-pencil-fill,
    .gc-modal .modal-title .bi-shield-lock-fill { color: #cc0000; }
    .gc-modal .modal-title .bi-exclamation-triangle-fill { color: #ffaa00; }
    #itemPreviewModal .modal-title .bi-image-fill { color: #7c3aed; }

    #itemPreviewModal .gc-preview-body-dark { background: #050505; border-radius: 0 0 16px 16px; }
    #itemPreviewModal .gc-preview-img-full {
      width: 100%; border-radius: 0 0 16px 16px; display: block;
    }

    .gc-guide.gc-guide--cancel {
      background: #fff7ed;
      border-color: #fed7aa;
      border: 1px solid #fed7aa;
      color: #92400e;
      margin-bottom: .75rem;
    }
    .gc-cancel-confirm-line { font-size: .9rem; color: #cccccc; }
    .gc-btn.gc-btn-danger-solid { background: #dc2626; color: #fff; border: none; }

    .gc-success-icon-circle {
      width: 64px; height: 64px; background: #dcfce7; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 2rem; color: #16a34a; margin: 0 auto .75rem;
    }
    .gc-success-modal-sub { font-size: .88rem; color: #777777; }

    .gc-edit-otp-progress-seg {
      flex: 1; height: 4px; border-radius: 4px;
      background: #cc0000;
      box-shadow: 0 0 6px rgba(204,0,0,.5);
    }

    .gc-book-reward-chip {
      display: inline-flex; align-items: center; gap: .25rem;
      background: #dcfce7; border: 1px solid #86efac; border-radius: 6px;
      padding: .2rem .6rem; font-size: .82rem; font-weight: 700;
      color: #15803d; margin: .1rem .2rem .1rem 0;
    }

    .gc-slot-rewards-row { margin: .3rem 0 .1rem; }
    .gc-slot-special-mt { margin-top: .2rem; }

    .gc-pagination-ellipsis { padding: 0 .25rem; color: #555555; align-self: center; }

    .gc-toast-icon--success { color: #00cc66; font-size: 1.1rem; flex-shrink: 0; }
    .gc-toast-icon--error   { color: #cc0000; font-size: 1.1rem; flex-shrink: 0; }
    .gc-toast-icon--info    { color: #cc0000; font-size: 1.1rem; flex-shrink: 0; }

    .gc-d-none { display: none !important; }

    .gc-timer-count.is-expired,
    .gc-timer-count.gc-expired { color: #dc2626 !important; }