/* =====================
       THEME TOKENS
    ======================*/
    /* Thêm font SVN-Poppins Việt hoá */
    @font-face {
      font-family: 'SVN-Poppins';
      src: url('fonts/SVN-PoppinsSemiBold.woff2') format('woff2');
      font-weight: 400;
      font-style: normal;
    }

    @font-face {
      font-family: 'SVN-Poppins';
      src: url('fonts/SVN-PoppinsSemiBold.woff2') format('woff2');
      font-weight: 600;
      font-style: normal;
    }

    @font-face {
      font-family: 'SVN-Poppins';
      src: url('fonts/SVN-PoppinsSemiBold.woff2') format('woff2');
      font-weight: 700;
      font-style: normal;
    }


    :root {
      --bg: #0b0b0f00;
      --bg-grad: radial-gradient(1200px 800px at 20% 10%, #191a22 0, #0b0b0f 60%);
      --frame: #1f1f26;
      --text: #f8fafc;
      --muted: #cbd5e1;
      --accent1: #ff0050;
      --accent2: #ff3a80;
      --success: #22c55e;
      --danger: #ef4444;
      --glass: rgba(255, 255, 255, .08);
      --glass-strong: rgba(0, 0, 0, .7);
      --panel: rgba(255, 255, 255, .06);
      --panel-border: rgba(255, 255, 255, .1);
      --shadow-1: 0 10px 30px rgba(0, 0, 0, .35);
      --shadow-2: 0 8px 26px rgba(255, 0, 80, .25);
      --ring: 0 0 0 1px rgba(255, 255, 255, .04) inset;
      --blur: blur(8px);
    }

    /* Glass Light theme */
    .theme-glass:root,
    .theme-glass body {
      --bg: #eef2f700;
      --bg-grad: radial-gradient(1200px 800px at 75% 15%, #ffffff 0, #e9eef6 60%);
      --frame: #ffffff;
      --text: #0f172a;
      --muted: #334155;
      --accent1: #6d28d9;
      --accent2: #a855f7;
      --success: #16a34a;
      --danger: #dc2626;
      --glass: rgba(255, 255, 255, .6);
      --glass-strong: rgba(255, 255, 255, .85);
      --panel: rgba(255, 255, 255, .75);
      --panel-border: rgba(0, 0, 0, .06);
      --shadow-1: 0 12px 36px rgba(15, 23, 42, .15);
      --shadow-2: 0 10px 26px rgba(109, 40, 217, .18);
      --ring: 0 0 0 1px rgba(15, 23, 42, .04) inset;
      --blur: blur(10px);
    }

    * {
      box-sizing: border-box
    }

    html,
    body {
      height: 100%
    }

    body {
      margin: 0;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      background: transparent !important;
      color: var(--text);
      transition: background .4s ease, color .3s ease, filter .35s ease;
      font-family: 'SVN-Poppins', sans-serif;
      overflow: hidden !important;
    }

    /* ========= iPhone 15 frame ========= */
    .iphone-wrapper {
      position: absolute;
      top: 50%;
      left: 0;
      /* đúng bằng width panel */
      transform: translateY(-50%) translateX(390px);
      /* ẩn trong panel */
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease 0.2s;
      opacity: 0;
      z-index: 9999;
      will-change: transform, opacity;
    }

    /* khi mở ra */
    .iphone-wrapper.active {
      transform: translateY(-50%) translateX(0);
      /* trượt ra vị trí cũ */
      opacity: 1;
    }



    .logos{
      width: 40px;
      height: 40px;
      margin-left: 30px;
    }
    

    .iphone {
      width: 390px;
      height: 844px;
      border: 8px solid var(--frame);
      border-radius: 48px;
      background: #000;
      overflow: hidden;
      position: relative;
      isolation: isolate;
      box-shadow: 0 15px 50px rgba(0, 0, 0, .6), var(--ring);
      transition: width .2s ease, height .2s ease;
    }

    .iphone::before {
      content: "";
      position: absolute;
      inset: 0;
       pointer-events: none;
      background: radial-gradient(600px 300px at 70% 10%, rgba(255, 255, 255, .05), transparent 60%);
      z-index: 1;
    }

    .iphone::after {
      content: "";
      position: absolute;
      inset: 0;
       pointer-events: none;
      background: linear-gradient(145deg, rgba(255, 255, 255, .08), transparent 60%);
    }

    .island {
      /* dynamic island */
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 212px;
      height: 32px;
      border-radius: 0 0 20px 20px;
      background: #0f0f12;
      box-shadow: 0 6px 20px rgba(0, 0, 0, .6);
      z-index: 50;
    }

    .screen {
      position: relative;
      width: 100%;
      height: 100%;
      border-radius: 40px;
      overflow: hidden;
      background: #000;
    }

    .video-wrap {
      position: relative;
      width: 100%;
      height: 100%;
      border-radius: 40px;
      overflow: hidden;
      background: #000;
    }

    video.player {
      width: 100%;
      height: 100%;
      object-fit: cover;
      /* luôn full màn hình iPhone */
    }



    /* ========= Overlay ========= */
    .overlay {
      position: absolute;
      inset: 0;
      z-index: 5;
      pointer-events: none
    }

    .overlay::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0, 0, 0, .42), rgba(0, 0, 0, 0) 62%);
    }

    .topbar {
      position: absolute;
      top: 46px;
      left: 12px;
      right: 12px;
      z-index: 20;
      display: flex;
      gap: 8px;
      align-items: center;
      justify-content: space-between;
    }

    .streamer {
      display: flex;
      align-items: center;
      gap: 10px;
      pointer-events: auto;
      background: var(--glass);
      backdrop-filter: var(--blur);
      padding: 6px 12px;
      border-radius: 22px;
      box-shadow: var(--shadow-1);
      border: 1px solid var(--panel-border);
    }

    .avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      object-fit: cover;
      background: #2b2b31;
      border: 1px solid rgba(255, 255, 255, .55)
    }

    .info {
      display: flex;
      flex-direction: column;
      line-height: 1.15
    }

    .name {
      font-family: 'SVN-Poppins', sans-serif;
      font-weight: 700;
      font-size: 13px
    }

    .followers {
      font-size: 11px;
      opacity: .9
    }

    .follow-btn {
      margin-left: 6px;
      border: none;
      border-radius: 14px;
      padding: 5px 12px;
      cursor: pointer;
      font-size: 12px;
      color: #fff;
      background: linear-gradient(45deg, var(--accent1), var(--accent2));
      box-shadow: var(--shadow-2);
      transition: transform .15s ease, filter .2s ease;
    }

    .follow-btn:hover {
      transform: translateY(-1px);
      filter: brightness(1.05)
    }

    .live-pill {
      pointer-events: auto;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--glass);
      backdrop-filter: var(--blur);
      font-size: 12px;
      border: 1px solid var(--panel-border)
    }

    .dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--danger);
      box-shadow: 0 0 0 6px rgba(239, 68, 68, .15)
    }

    /* ========= Chat ========= */
    .chat {
      position: absolute;
      bottom: 74px;
      left: 12px;
      width: 95%;
      display: flex;
      flex-direction: column-reverse;
      pointer-events: none;
      max-height: 28%;
      overflow: hidden;
      z-index: 15;
      -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 70%, rgba(0, 0, 0, 0));
      mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 70%, rgba(0, 0, 0, 0));
    }

    .chat-item {
      display: flex;
      align-items: flex-start;
      gap: 6px;
      background: rgba(0, 0, 0, .45);
      color: #fff;
      padding: 8px 12px;
      border-radius: 18px;
      font-size: 13px;
      margin-bottom: 6px;
      opacity: 0;
      animation: fadein .28s forwards;
      max-width: 320px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, .25);
    }

    .chat-avatar {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      object-fit: cover;
      background: #2b2b31;
      flex-shrink: 0
    }

    .chat-username {
      font-weight: 700;
      margin-right: 4px;
      white-space: nowrap
    }

    .chat-text {
      line-height: 1.35;
      word-break: break-word
    }

    .chat-item.gift {
      background: linear-gradient(135deg, rgba(255, 0, 80, .78), rgba(255, 58, 128, .68));
      font-weight: 650
    }

    @keyframes fadein {
      to {
        opacity: 1
      }
    }

    /* ========= Composer ========= */
    .composer {
      position: absolute;
      bottom: 26px;
      left: 12px;
      width: calc(100% - 24px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      z-index: 20;
    }

    .composer-input {
      flex: 1;
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, .10);
      border: 1px solid var(--panel-border);
      border-radius: 22px;
      padding: 8px 12px;
      backdrop-filter: var(--blur);
    }

    .input {
      flex: 1;
      border: none;
      outline: none;
      background: transparent;
      color: #fff;
      font-size: 13px
    }

    .composer-actions {
      display: flex;
      align-items: center;
      gap: 8px
    }

    .icon-btn {
      font-size: 18px;
      cursor: pointer;
      border: none;
      background: transparent;
      color: #fff;
      padding: 6px 8px;
      border-radius: 10px;
      transition: transform .15s ease, background .15s ease
    }

    .icon-btn:hover {
      transform: scale(1.1);
      background: rgba(255, 255, 255, .1)
    }

    /* ========= Gift overlay ========= */
    .gift-overlay {
      position: absolute;
      inset: 0;
      z-index: 23;
      pointer-events: none
    }

    .gift-iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: none;
      background: transparent
    }

    /* ========= Volume HUD ========= */
    .volume {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column-reverse;
      /* 🔥 đổi ngược hướng */
      justify-content: flex-start;
      gap: 4px;
      z-index: 999;
      opacity: 0;
      padding: 6px 4px;
      background: rgba(0, 0, 0, 0.35);
      border-radius: 12px;
      transition: opacity .35s ease, transform .25s ease;
    }

    .volume.show {
      opacity: 1;
      transform: translateY(-50%) scale(1);
    }

    .volume-bar {
      width: 6px;
      height: 16px;
      border-radius: 3px;
      background: rgba(255, 255, 255, .25);
      transition: background .2s, transform .2s;
    }

    .volume-bar.active {
      background: #fff;
      transform: scaleX(1.2);
      /* khi active, bar hơi phình ra */
    }


    /* ========= Play & End screen ========= */
    .play {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      padding: 14px 24px;
      font-size: 16px;
      border: none;
      border-radius: 12px;
      background: var(--accent1);
      color: #fff;
      cursor: pointer;
      z-index: 40;
      display: none;
      box-shadow: var(--shadow-2);
    }

    .end {
      position: absolute;
      inset: 0;
      display: none;
      z-index: 6;
      background:
        radial-gradient(600px 400px at 30% 20%, rgba(255, 0, 80, .08), transparent 40%),
        linear-gradient(to top, rgba(0, 0, 0, .8), rgba(0, 0, 0, .4));
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 24px;
    }

    .end-inner {
      background: var(--panel);
      border: 1px solid var(--panel-border);
      border-radius: 22px;
      padding: 24px 18px;
      width: min(86%, 320px);
      box-shadow: var(--shadow-1);
      color: var(--text)
    }

    .end-emoji {
      font-size: 42px;
      line-height: 1;
      margin-bottom: 8px
    }

    .end-title {
      margin: 0 0 8px 0;
      font-size: 18px;
      font-weight: 800
    }

    .end-desc {
      margin: 0;
      font-size: 13px;
      opacity: .92
    }

    .end.show {
      display: flex
    }

    /* ========= Control Panel ========= */
    /* Panel */
    :root {
      --accent1: #ff0050;
      --accent2: #ff3a80;
      --panel: rgba(30, 30, 35, 0.75);
      --panel-border: rgba(255, 255, 255, 0.1);
      --text: #f0f0f0;
      --shadow-1: 0 8px 24px rgba(0, 0, 0, 0.3);
      --shadow-2: 0 4px 14px rgba(0, 0, 0, 0.25);
      --blur: blur(18px);
    }

    /* Panel */
    .panel {
      position: relative;
      /* để con absolute bám theo aside */
      flex-direction: column;
      overflow: hidden;
      /* ngăn không cho aside scroll dọc */
      gap: 16px;
      width: 460px;
      height: 830px;
      max-width: 100%;
      max-height: 95vh;
      background: var(--panel);
      border: 1px solid var(--panel-border);
      border-radius: 20px;
      padding: 20px;
      box-shadow: var(--shadow-1);
      backdrop-filter: var(--blur);
      color: var(--text);
      font-family: 'SVN-Poppins', sans-serif;
      z-index: 2;
      transition: all 0.25s ease;
    }

    /* Header */
    .panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .panel-title {
      margin: 0;
      font-size: 18px;
      font-weight: 600;
      letter-spacing: .4px;
    }

    /* Row layout */
    .row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 12px;
    }

    /* Button + Select */
    .btn {
      font-family: 'SVN-Poppins', sans-serif;
      position: relative;
      padding: 10px 16px;
      border: none;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn:hover {
      background: rgba(255, 255, 255, 0.25);
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }

    .btn:active {
      transform: scale(0.95);
    }

    .select {
      padding: 11px 16px;
      border: none;
      border-radius: 14px;
      font-size: 14px;
      cursor: pointer;
      transition: all .2s ease;
      color: #fff;
      background: linear-gradient(135deg, var(--accent1), var(--accent2));
      box-shadow: var(--shadow-2);
    }

    .btn:hover {
      background: linear-gradient(145deg, #333, #222);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    }

    .btn:active {
      transform: translateY(0);
      box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.7);
    }

    .btn:disabled {
      opacity: .5;
      cursor: not-allowed;
      transform: none;
    }

    .select {
      appearance: none;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid var(--panel-border);
      color: var(--text);
      font-size: 14px;
      box-shadow: none;
      padding: 11px 14px;
    }

    .select:hover {
      background: rgba(255, 255, 255, 0.12);
    }

    /* Tabs container */
    .tabs {
      display: flex;
      gap: 10px;
      margin: 12px 0 16px;
      padding: 6px;
      background: rgba(0, 0, 0, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 14px;
      backdrop-filter: blur(12px);
      box-shadow: 0 0 12px rgba(0, 0, 0, 0.7) inset;
    }

    /* Tab button */
    .tab {
      flex: 1;
      padding: 10px 14px;
      border: none;
      border-radius: 10px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      background: transparent;
      color: #aaa;
      cursor: pointer;
      transition: all 0.25s ease;
      text-shadow: 0 0 4px rgba(0, 0, 0, 0.6);
    }

    /* Hover effect */
    .tab:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
      box-shadow: 0 0 10px rgba(255, 0, 80, 0.4);
      transform: translateY(-2px);
    }

    /* Active tab */
    .tab.active {
      background: linear-gradient(135deg, #ff0050, #8e2de2);
      color: #fff;
      box-shadow: 0 0 18px rgba(255, 0, 80, 0.6),
        0 0 25px rgba(142, 45, 226, 0.4);
      transform: translateY(-1px) scale(1.03);
    }

    /* Hidden content */
    .tab-content.hidden {
      display: none;
    }


    /* Effects grid */
    .effects {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
      gap: 12px;
    }

    .effect {
      padding: 14px 12px;
      border: none;
      display: flex;
      align-items: center;
      border-radius: 11px;
      background: rgba(255, 255, 255, .07);
      color: var(--text);
      font-size: 14px;
      cursor: pointer;
      border: 1px solid var(--panel-border);
      transition: all .22s ease;
      flex-direction: column;
    }

    .effect .emoji {
      flex-shrink: 0;
      /* icon luôn cố định */
      font-size: 16px;
    }

    .effect .label {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 80px;
      /* chỉnh max theo ý */
    }

    .effect:hover {
      background: linear-gradient(135deg, var(--accent1), var(--accent2));
      box-shadow: var(--shadow-2);
      transform: translateY(-3px) scale(1.02);
    }

    /* Utility */
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .control-card {
      background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
      border: 1px solid var(--panel-border);
      border-radius: 16px;
      padding: 16px;
      margin-bottom: 14px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .control-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
    }

    .control-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
    }

    .control-icon {
      font-size: 18px;
    }

    .control-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      margin: 0;
    }

    .control-body {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 3fr);
      gap: 12px;
      justify-content: flex-start;
    }

    .phone-mockup {
      position: relative;
      border-radius: 42px;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5),
        inset 0 0 0 6px #111;
      /* viền máy */
      background: #000;
      margin: 0 auto;
      transition: all 0.3s ease;
    }


    /* Dynamic Island giả lập */
    .phone-notch {
      position: absolute;
      top: 8px;
      left: 50%;
      transform: translateX(-50%);
      width: 120px;
      height: 30px;
      border-radius: 20px;
      background: #000;
      z-index: 5;
    }

    /* Nút nguồn bên phải */
    .phone-btn-power {
      position: absolute;
      top: 120px;
      right: -6px;
      width: 4px;
      height: 60px;
      border-radius: 2px;
      background: #444;
    }

    /* Nút volume bên trái */
    .phone-btn-volume {
      position: absolute;
      top: 120px;
      left: -6px;
      width: 4px;
      height: 100px;
      border-radius: 2px;
      background: #444;
    }

    .end-icons {
      margin-top: 16px;
      font-size: 1.5rem;
      /* to dễ thương hơn */
      text-align: center;
      animation: bounceIcons 1.5s infinite ease-in-out;
    }

    .end-icons img {
      width: 48px;
      height: 48px;
      object-fit: contain;
      transition: transform 0.3s ease;
    }

    /* animation icon nhún nhảy */
    @keyframes bounceIcons {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-6px);
      }
    }

    .tooltip {
      position: absolute;
      bottom: 120%;
      /* trên nút */
      left: 50%;
      transform: translateX(-50%);
      background: #fff;
      color: #333;
      font-size: 13px;
      font-weight: 500;
      padding: 6px 10px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .btn:hover .tooltip {
      opacity: 1;
      transform: translateX(-50%) translateY(-4px);
    }

    .tooltip::after {
      content: "";
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%);
      border-width: 6px;
      border-style: solid;
      border-color: #fff transparent transparent transparent;
    }

    /* Toggle switch kiểu iOS */
    .switch {
      position: relative;
      display: inline-block;
      width: 46px;
      height: 24px;
      margin-right: 6px;
    }

    .switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .slider {
      position: absolute;
      cursor: pointer;
      inset: 0;
      background-color: #ccc;
      transition: .4s;
      border-radius: 24px;
    }

    .slider:before {
      position: absolute;
      content: "";
      height: 18px;
      width: 18px;
      left: 3px;
      bottom: 3px;
      background-color: white;
      transition: .4s;
      border-radius: 50%;
    }

    .switch input:checked+.slider {
      background-color: #4cd964;
      /* xanh kiểu iOS */
    }

    .switch input:checked+.slider:before {
      transform: translateX(22px);
    }

    .switch-label {
      font-size: 14px;
      vertical-align: middle;
      margin-left: 4px;
    }

    .record-time {
      display: flex;
      flex-direction: column;
      gap: 10px;
      background: rgba(0, 0, 0, 0.5);
      padding: 16px;
      border-radius: 18px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      font-family: 'SVN-Poppins', sans-serif;
      width: fit-content;
      color: #fff;
    }

    .record-time label {
      font-size: 14px;
      font-weight: 500;
      color: #fff;
    }

    .time-options {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .time-options button {
      background: rgba(255, 255, 255, 0.15);
      border: none;
      border-radius: 12px;
      padding: 8px 14px;
      font-size: 14px;
      color: #fff;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.2s ease;
    }

    .time-options button:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: scale(1.05);
    }

    .time-options button.active {
      background: #00bfff;
      font-weight: bold;
      box-shadow: 0 0 10px rgba(0, 191, 255, 0.6);
    }

    .set-btn {
      margin-top: 10px;
      padding: 10px 18px;
      border: none;
      border-radius: 14px;
      background: linear-gradient(135deg, #00bfff, #007bff);
      color: white;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .set-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 0 12px rgba(0, 191, 255, 0.6);
    }

    .gift-tabs {
      display: flex;
      gap: 10px;
      margin-bottom: 16px;
      justify-content: center;
      padding: 6px 10px;
      background: rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      backdrop-filter: blur(8px);
    }

    .gift-tabs button {
      /* padding: 8px 16px; */
      border: none;
      border-radius: 8px;
      background: transparent;
      color: #fff;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .gift-tabs button:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .gift-tabs button.active {
      background: linear-gradient(135deg, #ff0050, #ff3a80);
      color: #fff;
      box-shadow: 0 3px 8px rgba(255, 0, 80, 0.4);
    }


    #giftListBox,
    #selectedGiftBox {
      display: grid;
      grid-template-columns: repeat(auto-fill, 48px);
      gap: 8px;
      margin-bottom: 12px;
    }

    .gift-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, 48px);
      gap: 10px;
      justify-content: center;
    }

    .gift-item {
      position: relative;
      cursor: pointer;
    }

    .gift-item input {
      display: none;
    }

    .gift-item img {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      border: 2px solid transparent;
      transition: all 0.25s ease;
      object-fit: cover;
      background-color: #4747474f;
    }

    .gift-item:hover img {
      transform: scale(1.08);
      box-shadow: 0 3px 8px rgba(0, 0, 0, 0.25);
    }

    .gift-item input:checked+img {
      border: 2px solid #ff0050;
      box-shadow: 0 0 10px rgba(255, 0, 80, 0.6);
      /* transform: scale(1.12); */
    }


    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 12px;
      font-family: 'SVN-Poppins', sans-serif;
    }

    .pagination button {
      border: none;
      background: linear-gradient(135deg, #ff0050, #ff4d79);
      color: #fff;
      padding: 6px 14px;
      border-radius: 8px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 10px rgba(255, 0, 80, 0.3);
      transition: all 0.25s ease-in-out;
    }

    .pagination button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 14px rgba(255, 0, 80, 0.4);
    }

    .pagination button:active {
      transform: scale(0.95);
    }

    #pageInfo {
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      background: #333;
      padding: 4px 10px;
      border-radius: 6px;
      box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.1);
    }


    .chat-gift-icon {
      width: 20px;
      /* nhỏ gọn */
      height: 20px;
      vertical-align: middle;
      margin-left: 4px;
      /* cách chữ 1 chút */
      border-radius: 4px;
      object-fit: cover;
    }

    #giftWrapper {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      max-height: 0;
      opacity: 0;
      overflow: hidden;
      /* mặc định ẩn */
      background: rgb(0 0 0 / 75%);
      border: 1px solid var(--panel-border);
      border-radius: 12px;
      box-shadow: var(--shadow-1);
      transition: max-height 0.4s ease, opacity 0.4s ease, transform 0.4s ease;
      transform: translateY(30px);
      z-index: 10;
      padding: 12px;
    }

    /* Khi show */
    #giftWrapper.show {
      max-height: 700px;
      height: 600px;
      /* khung cố định */
      opacity: 1;
      transform: translateY(0);
      overflow: hidden;
      /* chỉ cuộn bên trong gift */
    }

    .record-settings {
      display: flex;
      flex-direction: column;
      gap: 14px;
      background: rgba(0, 0, 0, 0.5);
      border-radius: 20px;
      padding: 18px;
      width: fit-content;
      min-width: 360px;
      color: #fff;
      width: 100%;
      font-family: 'SVN-Poppins', sans-serif;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      /*   border: 1px solid rgba(255, 255, 255, 0.15); */
      /*    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4); */
    }

    .setting-item {
      display: flex;
      align-items: center;
      gap: 10px;
      justify-content: space-between;
    }

    .setting-item label {
      font-size: 14px;
      font-weight: 500;
      color: #fff;
    }

    /* input number */
    #recordDuration {
      width: 70px;
      padding: 6px 8px;
      border-radius: 10px;
      border: none;
      background: rgba(255, 255, 255, 0.15);
      color: #fff;
      font-size: 14px;
      text-align: center;
      outline: none;
    }

    #recordDuration:focus {
      background: rgba(255, 255, 255, 0.25);
    }

    /* switch toggle */
    .switch {
      position: relative;
      display: inline-block;
      width: 44px;
      height: 22px;
    }

    .switch input {
      display: none;
    }

    .slider {
      position: absolute;
      cursor: pointer;
      inset: 0;
      background-color: rgba(255, 255, 255, 0.2);
      border-radius: 22px;
      transition: 0.3s;
    }

    .slider::before {
      position: absolute;
      content: "";
      height: 16px;
      width: 16px;
      left: 3px;
      bottom: 3px;
      background-color: white;
      border-radius: 50%;
      transition: 0.3s;
    }

    .effects.empty {
      display: flex;
      align-items: center;
      justify-content: center;
      color: gray;
      margin-top: 300px;
      /*    font-style: italic; */
      /*   height: 120px; */
      /* hoặc auto tuỳ layout */
    }

    .switch input:checked+.slider {
      background: linear-gradient(135deg, #00bfff, #007bff);
    }

    .switch input:checked+.slider::before {
      transform: translateX(22px);
    }

    .switch-label {
      font-size: 14px;
      font-weight: 500;
    }

    .control-box {
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 16px 18px;
      width: 100%;
      max-width: 420px;
      margin: 0 auto;

      background: rgba(20, 20, 20, 0.9);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);

      border-radius: 10px;
      /*    border: 1px solid rgba(80, 80, 80, 0.6); */

      box-shadow: none;
      /* không shadow */
      outline: none;
      /* không glow */
      transition: background 0.3s ease, border 0.3s ease;
    }



    .device-badge {
      text-align: center;
      /*   background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05)); */
      border-radius: 14px;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      letter-spacing: 0.3px;
      /*   box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.25); */
    }

    .switch-box {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(0, 0, 0, 0.5);
      padding: 10px 14px;
      border-radius: 12px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      width: fit-content;
    }

    .gift-guide {
      /*   background: linear-gradient(135deg, rgba(0, 0, 0, 0.65), rgba(30, 30, 30, 0.75)); */
      /*  border: 1px solid rgba(255, 255, 255, 0.1); */
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      padding: 14px 16px;
      border-radius: 14px;
      color: #fff;
      font-size: 14px;
      line-height: 1.6;
      /*   margin-bottom: 5px; */
      font-family: 'SVN-Poppins', sans-serif;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
      animation: fadeIn 0.4s ease;
    }

    .gift-guide ul {
      margin: 8px 0 0 16px;
      padding: 0;
    }

    .gift-guide li {
      margin-bottom: 4px;
    }

    .guide-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .close-guide {
      background: rgba(255, 255, 255, 0.1);
      border: none;
      border-radius: 6px;
      color: #fff;
      font-size: 13px;
      cursor: pointer;
      padding: 2px 6px;
      transition: 0.2s;
    }

    .close-guide:hover {
      background: rgba(255, 255, 255, 0.25);
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(-6px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .tour-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.55);
      backdrop-filter: blur(2px);
      -webkit-backdrop-filter: blur(2px);
      z-index: 9998;
      opacity: 0;
      animation: tourFade .2s forwards;
    }

    @keyframes tourFade {
      to {
        opacity: 1;
      }
    }

    /* Khung highlight vùng được hướng dẫn */
    .tour-highlight {
      position: fixed;
      z-index: 9999;
      border-radius: 14px;
      outline: 2px solid #00bfff;
      box-shadow: 0 0 0 8px rgba(0, 191, 255, 0.18), 0 24px 60px rgba(0, 0, 0, 0.5);
      pointer-events: none;
      transition: all .22s ease;
    }

    /* Tooltip glassmorphism */
    .tour-tip {
      position: fixed;
      z-index: 10000;
      max-width: min(360px, calc(100vw - 32px));
      background: rgba(20, 20, 25, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 14px;
      padding: 14px 16px;
      color: #fff;
      font: 500 14px/1.55 "Segoe UI", system-ui, sans-serif;
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    }

    /* Mũi tên tooltip */
    .tour-tip .tip-arrow {
      position: absolute;
      width: 12px;
      height: 12px;
      background: inherit;
      border-left: inherit;
      border-top: inherit;
      transform: rotate(45deg);
    }

    /* Header + actions */
    .tour-tip .tip-title {
      font-weight: 700;
      margin: 0 0 6px;
      font-size: 15px;
    }

    .tour-tip .tip-text {
      margin: 0 0 10px;
      opacity: .95;
    }

    .tour-tip .tip-actions {
      display: flex;
      gap: 8px;
      justify-content: flex-end;
    }

    .tour-btn {
      border: none;
      border-radius: 10px;
      padding: 8px 12px;
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      font-weight: 600;
      cursor: pointer;
      transition: .2s;
    }

    .tour-btn:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    .tour-btn.primary {
      background: linear-gradient(135deg, #00bfff, #007bff);
    }

    .tour-btn.ghost {
      background: rgba(255, 255, 255, 0.08);
    }

    .gift-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
      color: white;
      font-weight: 500;
    }

    .close-btn {
      background: transparent;
      border: none;
      color: #fff;
      font-size: 16px;
      cursor: pointer;
      line-height: 1;
      padding: 2px 6px;
      border-radius: 6px;
      transition: background 0.2s;
    }

    .close-btn:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    .guide-title {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .close-guide {
      background: rgba(255, 255, 255, 0.15);
      border: none;
      color: #fff;
      font-size: 16px;
      line-height: 1;
      cursor: pointer;
      border-radius: 50%;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.25s, transform 0.2s;
    }

    .close-guide:hover {
      background: rgba(255, 255, 255, 0.35);
      transform: rotate(90deg);
    }

    .add-sound-btn {
      text-align: center;
      margin: 20px 0;
    }

    .add-sound-btn button {
      padding: 10px 20px;
      font-size: 16px;
      background: #ff0050;
      border: none;
      color: white;
      border-radius: 8px;
      cursor: pointer;
      transition: 0.3s;
    }

    .add-sound-btn button:hover {
      background: #e60048;
    }

    /* Bottom panel */
    .bottom-panel {
      position: fixed;
      left: 0;
      right: 0;
      bottom: -100%;
      background: #fff;
      border-radius: 16px 16px 0 0;
      box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
      padding: 20px;
      transition: bottom 0.35s ease;
      max-height: 75%;
      overflow-y: auto;
      z-index: 999;
    }

    .bottom-panel.show {
      bottom: 0;
    }

    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .panel-header h3 {
      margin: 0;
      color: #ff0050;
    }

    .close-btn {
      background: transparent;
      border: none;
      font-size: 20px;
      cursor: pointer;
    }

    .upload-label {
      display: inline-block;
      background: #eee;
      padding: 10px 15px;
      border-radius: 8px;
      cursor: pointer;
      margin: 10px 0;
    }

    .upload-label span {
      color: #333;
      font-weight: bold;
    }

    #waveform {
      width: 100%;
      height: 150px;
      margin: 15px 0;
      border-radius: 8px;
      background: #fafafa;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    }

    .controls button {
      margin: 5px;
      padding: 8px 16px;
      border: none;
      border-radius: 6px;
      background: #ff0050;
      color: #fff;
      cursor: pointer;
      font-weight: bold;
    }

    .controls button:hover {
      background: #e60046;
    }

    .global-player-controls {
      margin-top: 10px;
      padding: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
      background: #222;
      border-radius: 8px;
    }

    .global-player-controls button {
      padding: 6px 12px;
      background: #ff0050;
      color: white;
      border: none;
      border-radius: 6px;
      cursor: pointer;
    }

    .global-player-controls input[type=range] {
      flex: 1;
    }

    .dark-player {
      margin-top: 15px;
      padding: 12px 16px;
      display: flex;
      margin-bottom: 10px;
      align-items: center;
      justify-content: space-between;
      background: #111;
      border: 1px solid #333;
      border-radius: 10px;
      color: #eee;
      font-family: 'SVN-Poppins', sans-serif;
    }

    .stop-btn {
      padding: 8px 14px;
      background: #ff0050;
      color: #fff;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      transition: 0.2s;
    }

    .stop-btn:hover {
      background: #ff3366;
    }

    .volume-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .volume-wrap input[type=range] {
      width: 140px;
      accent-color: #ff0050;
      cursor: pointer;
    }

    .ug-container {
      max-width: 380px;
      margin: auto;
      padding: 16px;
      font-family: 'SVN-Poppins', sans-serif;
      color: #eee;
      background: #111;
      border-radius: 16px;
    }

    .ug-topbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }

    .stop-btn {
      background: #ff3b30;
      color: #fff;
      border: none;
      padding: 6px 12px;
      border-radius: 8px;
      cursor: pointer;
    }

    .volume-wrap input {
      width: 120px;
    }

    /* 🎵 DROPZONE */
    .ug-dropzone {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;

      padding: 16px;
      border: 2px dashed rgba(255, 255, 255, 0.25);
      border-radius: 12px;
      background: #1a1a1a;

      cursor: pointer;
      margin-bottom: 12px;

      transition: all 0.3s ease;
      font-size: 0.9rem;
    }

    .ug-dropzone:hover {
      border-color: #09f;
      background: #222;
    }

    .ug-dropzone-icon {
      font-size: 1.6rem;
      margin-bottom: 4px;
      color: #09f;
    }

    .ug-label {
      display: block;
      font-size: 14px;
      margin-bottom: 6px;
      color: #ccc;
    }

    .ug-input,
    .ug-select {
      width: 100%;
      padding: 10px 12px;
      border-radius: 8px;
      border: 1px solid #333;
      background: #1a1a1a;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border 0.2s ease;
    }

    .ug-input:focus,
    .ug-select:focus {
      border-color: #ff3a80;
    }

    .ug-form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }

    .ug-form-group {
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .ug-input,
    .ug-select {
      width: 100%;
      padding: 12px 14px;
      margin-bottom: 10px;
      border-radius: 10px;
      border: none;
      background: linear-gradient(145deg, #1a1a1a, #222);
      color: #eee;
      font-size: 0.9rem;
      transition: all 0.2s ease;
      box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.6),
        inset -2px -2px 4px rgba(255, 255, 255, 0.05);
    }

    .ug-input::placeholder {
      color: #777;
    }

    .ug-input:focus,
    .ug-select:focus {
      outline: none;
      background: #2a2a2a;
      box-shadow: 0 0 0 2px #ff3a80, 0 0 6px rgba(255, 58, 128, 0.5);
    }

    .ug-form-row {
      display: flex;
      gap: 12px;
      margin-top: 5px;
    }



    /* 🎚 WAVEFORM */
    .ug-waveform {
      width: 100%;
      height: 80px;
      background: #000;
      border-radius: 6px;
      margin-bottom: 12px;
      overflow: hidden;
      position: relative;
    }


    /* 🎮 CONTROLS */
    .ug-controls {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }


    /* 🔘 BUTTON */
    .ug-btn {
      flex: 1;
      min-width: 80px;
      padding: 8px 10px;
      border: none;
      border-radius: 6px;
      background: #333;
      color: #eee;
      font-size: 0.85rem;
      cursor: pointer;
      font-family: 'SVN-Poppins', sans-serif;
      transition: background 0.2s;
    }

    .ug-btn:hover {
      background: #09f;
      color: #fff;
    }


    /* 🎧 PREVIEW BOX */
    .ug-preview {
      display: flex;
      align-items: center;
      /* 👈 giữa theo chiều dọc */
      justify-content: center;
      /* 👈 giữa theo chiều ngang */

      padding: 10px;
      border-radius: 6px;
      background: #1a1a1a;
      font-size: 0.85rem;
      text-align: center;
      min-height: 60px;
      /* 👈 thêm chiều cao tối thiểu để dễ thấy giữa */
    }


    /* 🔘 TOGGLE BUTTON */
    .ug-toggle-btn {
      display: block;
      margin: 10px auto;
      padding: 6px 14px;
      border: none;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      background: #09f;
      color: #fff;
      cursor: pointer;
      transition: background 0.2s;
    }

    .ug-toggle-btn:hover {
      background: #06c;
    }

    .ug-toggle-btn.on {
      background: #f33;
    }


    /* 📦 WRAPPER */
    .ug-wrapper.hide {
      max-height: 0;
      opacity: 0;
      overflow: hidden;
      padding: 0 12px;
    }

    .ug-wrapper {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;

      max-width: 100%;
      height: 70%;
      /* 👈 chiều cao panel (60% màn hình) */
      max-height: 70%;
      /* không vượt quá 80% */
      background: #111;
      border-radius: 16px 16px 0 0;
      padding: 16px;
      /*    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.6); */

      transform: translateY(100%);
      /* ẩn dưới màn hình */
      opacity: 0;
      font-family: 'SVN-Poppins', sans-serif;
      transition: transform 0.4s ease, opacity 0.3s ease;
      overflow-y: auto;
      /* nếu nhiều nội dung thì cuộn được */
    }

    .ug-wrapper.active {
      transform: translateY(0);
      /* trượt lên */
      opacity: 1;
    }

    .ug-container {
      margin-bottom: 20px;
    }

    .ug-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 16px;
      background: rgba(20, 20, 20, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 14px;
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    /* Nút chung */
    .ug-topbar .btn,
    .ug-topbar .stop-btn {
      padding: 8px 14px;
      border-radius: 8px;
      border: none;
      background: linear-gradient(135deg, #ff3a80, #ff0050);
      color: #fff;
      font-weight: 600;
      font-family: 'SVN-Poppins', sans-serif;
      cursor: pointer;
      transition: all 0.25s ease;
    }

    .ug-topbar .btn:hover,
    .ug-topbar .stop-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 12px rgba(255, 58, 128, 0.7);
    }

    /* Stop button khác biệt (đỏ) */
    .ug-topbar .stop-btn {
      background: linear-gradient(135deg, #ff4444, #cc0000);
    }

    /* Thanh volume */
    .volume-wrap {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .volume-wrap input[type="range"] {
      width: 100%;
      max-width: 180px;
      height: 6px;

      background: #333;
      border-radius: 6px;
      outline: none;
      cursor: pointer;
      transition: background 0.3s ease;
    }

    .volume-wrap input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #ff3a80;
      box-shadow: 0 0 8px rgba(255, 58, 128, 0.6);
      transition: all 0.25s ease;
    }

    .volume-wrap input[type="range"]::-webkit-slider-thumb:hover {
      transform: scale(1.2);
      box-shadow: 0 0 14px rgba(255, 58, 128, 0.9);
    }

    .volume-wrap input[type="range"]::-moz-range-thumb {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #ff3a80;
      box-shadow: 0 0 8px rgba(255, 58, 128, 0.6);
      border: none;
      cursor: pointer;
    }

    .effect.dragging {
      opacity: 0.95;
      transform: scale(1.1) rotate(1deg);
      background: linear-gradient(135deg, #ff4b2b, #ff416c, #ffcc70);
      background-size: 300% 300%;
      color: #fff;
      border-radius: 14px;
      border: 2px solid rgba(255, 255, 255, 0.25);
      animation: gradientMove 3s ease infinite, pulse 1.2s ease-in-out infinite;
      transition: transform 0.2s ease;
      z-index: 999;
    }

    /* Gradient chạy */
    @keyframes gradientMove {
      0% {
        background-position: 0% 50%;
      }

      50% {
        background-position: 100% 50%;
      }

      100% {
        background-position: 0% 50%;
      }
    }

    /* Nhịp tim nhẹ */
    @keyframes pulse {

      0%,
      100% {
        transform: scale(1.1) rotate(1deg);
      }

      50% {
        transform: scale(1.15) rotate(-1deg);
      }
    }

    .popup {
      position: fixed;
      left: 0;
      right: 0;
      bottom: -100%;
      /* ban đầu ẩn */
      background: #222;
      color: #fff;
      padding: 20px;
      border-radius: 16px 16px 0 0;
      box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.6);
      transition: bottom 0.3s ease-in-out;
      z-index: 9999;
    }

    .popup.show {
      bottom: 0;
      /* trượt lên */
    }

    .popup-content {
      text-align: center;
    }

    .popup-actions {
      display: flex;
      justify-content: space-around;
      margin-top: 15px;
    }

    .popup-actions button {
      padding: 10px 20px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-weight: bold;
    }

    #popup-cancel {
      background: #555;
      color: white;
    }

    #popup-confirm {
      background: #e74c3c;
      color: white;
    }

    .ug-category-buttons {
      display: flex;
      gap: 8px;
    }

    .cat-btn {
      flex: 1;
      padding: 10px 14px;
      border-radius: 6px;
      border: 1px solid #444;
      background: #222;
      color: #eee;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .cat-btn.active {
      background: #ff0050;
      border-color: #ff0050;
      color: #fff;
    }

    #notification-container {
      position: fixed;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      pointer-events: none;
    }

    .notification {
      min-width: 280px;
      max-width: 420px;
      padding: 18px 22px;
      border-radius: 14px;
      color: #fff;

      font-size: 16px;
      font-weight: 500;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
      display: flex;
      align-items: center;
      gap: 12px;
      animation: zoomIn 0.35s ease-out, zoomOut 0.4s ease-in 3s forwards;
      transform-origin: center;
      pointer-events: auto;
    }

    .notification span.icon {
      font-size: 22px;
      flex-shrink: 0;
    }

    .notification.error {
      background: linear-gradient(135deg, #e74c3c, #c0392b);
    }

    .notification.success {
      background: linear-gradient(135deg, #2ecc71, #27ae60);
    }

    .notification.info {
      background: linear-gradient(135deg, #3498db, #2980b9);
    }

    .notification.warning {
      background: linear-gradient(135deg, #f39c12, #d35400);
    }

    @keyframes zoomIn {
      from {
        opacity: 0;
        transform: scale(0.6);
      }

      to {
        opacity: 1;
        transform: scale(1);
      }
    }

    @keyframes zoomOut {
      to {
        opacity: 0;
        transform: scale(0.8);
      }
    }