:root {
      color-scheme: dark;
      --bg: #080b14;
      --bg-soft: #0e1322;
      --panel: #10182b;
      --panel-2: #141f36;
      --text: #e8eeff;
      --muted: #9aa8cf;
      --line: #263252;
      --primary: #6f8bff;
      --primary-2: #4f6dff;
      --success: #3ac994;
      --danger: #ff5f72;
      --chip: #1b2846;
      --shadow: 0 18px 35px rgba(0, 0, 0, 0.35);
    }

    * {
      box-sizing: border-box;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      margin: 0;
      background:
        radial-gradient(1200px 700px at 20% -10%, #203362 0%, transparent 50%),
        radial-gradient(1000px 650px at 110% 10%, #2a1647 0%, transparent 55%),
        var(--bg);
      color: var(--text);
      min-height: 100vh;
    }

    .app {
      max-width: 1100px;
      margin: 0 auto;
      padding: 16px;
      padding-bottom: 44px;
    }

    .app-header {
      background: linear-gradient(145deg, rgba(26, 39, 73, 0.82), rgba(14, 20, 37, 0.95));
      border: 1px solid rgba(133, 153, 214, 0.18);
      border-radius: 20px;
      padding: 18px;
      box-shadow: var(--shadow);
      margin-bottom: 14px;
      position: sticky;
      top: 10px;
      z-index: 20;
      backdrop-filter: blur(12px);
    }

    .app-title {
      margin: 0;
      font-size: 28px;
      letter-spacing: 0.2px;
    }

    .app-subtitle {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .tabs {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      margin-bottom: 14px;
      position: relative;
      z-index: 25;
      -webkit-transform: translateZ(0);
      transform: translateZ(0);
    }

    .tab-button {
      border: 1px solid var(--line);
      background: linear-gradient(160deg, #162340, #111a30);
      color: var(--text);
      border-radius: 14px;
      padding: 12px 10px;
      font-size: 14px;
      min-height: 50px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .tab-button.active {
      border-color: rgba(132, 154, 255, 0.9);
      background: linear-gradient(160deg, #5f7dff, #4b67e5);
      box-shadow: 0 10px 20px rgba(68, 95, 219, 0.42);
    }

    .panel {
      display: none;
      background: linear-gradient(160deg, rgba(19, 29, 52, 0.95), rgba(13, 19, 35, 0.95));
      border: 1px solid rgba(126, 145, 201, 0.2);
      border-radius: 18px;
      padding: 14px;
      box-shadow: var(--shadow);
    }

    .panel.active {
      display: block;
    }

    .panel h2 {
      margin: 0 0 10px;
      font-size: 19px;
      letter-spacing: 0.2px;
    }

    .stack {
      display: grid;
      gap: 10px;
      margin-bottom: 14px;
    }

    .row {
      display: grid;
      gap: 10px;
      grid-template-columns: 1fr;
    }

    input,
    select,
    textarea {
      width: 100%;
      min-height: 46px;
      border-radius: 12px;
      border: 1px solid #314067;
      background: var(--panel-2);
      color: var(--text);
      padding: 11px 12px;
      font-size: 15px;
      outline: none;
      touch-action: manipulation;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(111, 139, 255, 0.2);
    }

    textarea {
      min-height: 86px;
      resize: vertical;
    }

    button {
      cursor: pointer;
      font-weight: 700;
      width: auto;
      min-height: 38px;
      border-radius: 10px;
      padding: 8px 14px;
      font-size: 14px;
      touch-action: manipulation;
      -webkit-user-select: none;
      user-select: none;
    }

    .tab-button {
      width: 100%;
      min-height: 44px;
      padding: 10px;
      border-radius: 12px;
      font-size: 13px;
    }

    button.primary {
      background: linear-gradient(160deg, var(--primary), var(--primary-2));
      border-color: transparent;
      color: #f8faff;
    }

    button.success {
      background: linear-gradient(160deg, #3dcc9b, #1fae7b);
      border-color: transparent;
      color: #f4fff9;
    }

    button.danger {
      background: linear-gradient(160deg, #ff7081, #e14b60);
      border-color: transparent;
      color: #fff7f9;
    }

    button[disabled] {
      opacity: 0.55;
      cursor: not-allowed;
    }

    .section-card {
      border: 1px solid rgba(144, 164, 222, 0.2);
      background: rgba(16, 24, 44, 0.72);
      border-radius: 14px;
      padding: 12px;
    }

    .summary {
      background: linear-gradient(130deg, rgba(47, 68, 131, 0.58), rgba(29, 43, 82, 0.6));
      border: 1px solid rgba(135, 156, 225, 0.28);
      color: var(--text);
      border-radius: 14px;
      padding: 11px 12px;
      margin-bottom: 12px;
      font-size: 14px;
    }

    .card-list {
      display: grid;
      gap: 10px;
    }

    .card {
      border: 1px solid rgba(129, 149, 209, 0.24);
      border-radius: 14px;
      padding: 12px;
      background: rgba(16, 26, 48, 0.86);
    }

    .card h3 {
      margin: 0 0 7px;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      flex-wrap: wrap;
    }

    .meta {
      font-size: 13px;
      color: var(--muted);
      margin: 3px 0;
    }

    .actions {
      margin-top: 10px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .actions button {
      min-width: 96px;
      flex: 0 0 auto;
    }

    .form-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .form-actions button {
      min-width: 130px;
    }

    .routine-tools {
      border: 1px solid rgba(136, 156, 220, 0.24);
      border-radius: 12px;
      background: rgba(18, 27, 49, 0.72);
      padding: 10px;
      display: grid;
      gap: 10px;
    }

    .routine-tools-title {
      margin: 0;
      font-size: 14px;
      color: #d8e2ff;
    }

    .routine-template-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .routine-template-buttons button {
      min-width: 92px;
      padding: 6px 10px;
      font-size: 12px;
      min-height: 34px;
    }

    .routine-template-manager {
      border-top: 1px dashed rgba(125, 143, 192, 0.32);
      padding-top: 10px;
      display: grid;
      gap: 10px;
    }

    .routine-template-manager h4 {
      margin: 0;
      font-size: 13px;
      color: #d8e2ff;
      font-weight: 700;
    }

    .routine-template-custom-list {
      display: grid;
      gap: 8px;
    }

    .routine-template-custom-item {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .routine-template-custom-item button {
      min-height: 32px;
      padding: 6px 10px;
      font-size: 12px;
    }

    .mini-note {
      color: var(--muted);
      font-size: 12px;
      margin-top: -2px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 700;
      border-radius: 999px;
      padding: 4px 10px;
      background: var(--chip);
      color: #cad8ff;
      border: 1px solid rgba(119, 145, 220, 0.28);
    }

    .badge.ok {
      background: rgba(42, 116, 90, 0.35);
      color: #a7efd2;
      border-color: rgba(75, 214, 164, 0.38);
    }

    .pill-grid {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-top: 5px;
    }

    .pill {
      background: rgba(63, 86, 146, 0.32);
      color: #cfdbff;
      border: 1px solid rgba(115, 142, 218, 0.24);
      border-radius: 999px;
      padding: 3px 8px;
      font-size: 12px;
    }

    .empty {
      color: var(--muted);
      padding: 8px 3px;
      font-size: 14px;
    }

    .divider {
      margin: 6px 0 10px;
      border-top: 1px dashed rgba(125, 143, 192, 0.32);
    }

    .app-modal-overlay {
      position: fixed;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(4, 8, 18, 0.72);
      backdrop-filter: blur(6px);
      z-index: 200;
      padding: 18px;
      pointer-events: auto;
    }

    .app-modal-overlay[hidden] {
      display: none !important;
      pointer-events: none !important;
    }

    .app-modal {
      width: min(520px, 100%);
      border-radius: 16px;
      border: 1px solid rgba(138, 160, 230, 0.32);
      background: linear-gradient(165deg, rgba(20, 29, 54, 0.98), rgba(13, 18, 36, 0.98));
      box-shadow: 0 22px 45px rgba(0, 0, 0, 0.42);
      padding: 14px;
    }

    .app-modal-title {
      margin: 0 0 10px;
      font-size: 18px;
    }

    .app-modal-content {
      color: var(--muted);
      font-size: 14px;
    }

    .app-modal-message {
      margin: 0;
      line-height: 1.45;
    }

    .app-modal-form {
      display: grid;
      gap: 10px;
    }

    .app-modal-label {
      display: grid;
      gap: 6px;
      color: var(--muted);
      font-size: 13px;
    }

    .app-modal-error {
      min-height: 18px;
      color: #ff8d9a;
      font-size: 13px;
    }

    .app-modal-actions {
      display: flex;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .modal-open {
      overflow: hidden;
    }

    .search-bar {
      margin-bottom: 10px;
    }

    .data-tools {
      display: grid;
      gap: 10px;
    }

    .data-tools-card {
      border: 1px solid rgba(144, 164, 222, 0.2);
      background: rgba(16, 24, 44, 0.72);
      border-radius: 14px;
      padding: 14px;
      display: grid;
      gap: 10px;
    }

    .data-tools-card h3 {
      margin: 0;
      font-size: 16px;
    }

    .data-tools-card p {
      margin: 0;
      font-size: 13px;
      color: var(--muted);
      line-height: 1.4;
    }

    .data-tools-card .form-actions {
      margin-top: 4px;
    }

    .file-input-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
    }

    .app-version {
      text-align: center;
      color: var(--muted);
      font-size: 12px;
      margin-top: 16px;
      opacity: 0.6;
    }

    /* ---------- Login ---------- */
    .login-screen {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      min-height: 100dvh;
      padding: 24px;
    }

    .login-screen[hidden] {
      display: none !important;
    }

    .login-card {
      width: 100%;
      max-width: 380px;
      background: linear-gradient(160deg, rgba(19, 29, 52, 0.95), rgba(13, 19, 35, 0.95));
      border: 1px solid rgba(126, 145, 201, 0.2);
      border-radius: 20px;
      padding: 40px 28px 32px;
      box-shadow: var(--shadow);
      text-align: center;
    }

    .login-logo {
      font-size: 48px;
      margin-bottom: 8px;
    }

    .login-card h1 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .login-subtitle {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 28px;
    }

    .login-card form {
      display: grid;
      gap: 12px;
    }

    .login-error {
      color: var(--danger);
      font-size: 13px;
      background: rgba(255, 95, 114, 0.12);
      padding: 8px 12px;
      border-radius: 8px;
    }

    .login-link {
      background: none;
      border: none;
      color: var(--primary);
      cursor: pointer;
      font-size: 13px;
      margin-top: 16px;
      text-decoration: underline;
      font-weight: 600;
    }

    .app[hidden] {
      display: none !important;
    }

    .user-email-label {
      font-size: 13px;
      color: var(--muted);
      word-break: break-all;
    }

    /* ---------- Calendar ---------- */
    .calendar-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
    }

    .cal-month-label {
      flex: 1;
      text-align: center;
      font-weight: 700;
      font-size: 16px;
    }

    .cal-arrow {
      background: rgba(63, 86, 146, 0.32);
      border: 1px solid var(--line);
      color: var(--text);
      border-radius: 10px;
      padding: 6px 14px;
      font-size: 14px;
      min-height: 36px;
    }

    .cal-today-btn {
      background: rgba(79, 109, 255, 0.2);
      border: 1px solid rgba(132, 154, 255, 0.4);
      color: var(--primary);
      border-radius: 10px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      min-height: 36px;
    }

    .cal-weekdays {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      text-align: center;
      font-size: 12px;
      font-weight: 600;
      color: var(--muted);
      margin-bottom: 4px;
    }

    .cal-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 2px;
      margin-bottom: 14px;
    }

    .cal-cell {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      border-radius: 10px;
      cursor: pointer;
      transition: background 0.1s;
      position: relative;
      touch-action: manipulation;
      -webkit-user-select: none;
      user-select: none;
    }

    .cal-cell:hover {
      background: rgba(63, 86, 146, 0.2);
    }

    .cal-cell.empty {
      cursor: default;
    }

    .cal-cell.empty:hover {
      background: transparent;
    }

    .cal-day-num {
      font-size: 14px;
      font-weight: 500;
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
    }

    .cal-cell.today .cal-day-num {
      border: 2px solid var(--primary);
      color: var(--primary);
      font-weight: 700;
    }

    .cal-cell.selected .cal-day-num {
      background: linear-gradient(160deg, var(--primary), var(--primary-2));
      color: #fff;
      font-weight: 700;
    }

    .cal-cell.today.selected .cal-day-num {
      border-color: var(--primary);
    }

    .cal-dots {
      display: flex;
      gap: 3px;
      position: absolute;
      bottom: 3px;
    }

    .cal-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
    }

    .cal-dot.pending {
      background: #f59e0b;
    }

    .cal-dot.paid {
      background: var(--success);
    }

    /* ---------- Agenda ---------- */
    .agenda-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }

    .agenda-header h2 {
      margin: 0;
      font-size: 17px;
    }

    .agenda-filters {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
      margin-bottom: 12px;
    }

    .agenda-filters .row {
      gap: 8px;
    }

    .autocomplete-box {
      position: relative;
    }

    .autocomplete-results {
      position: absolute;
      top: calc(100% + 6px);
      left: 0;
      right: 0;
      z-index: 180;
      border: 1px solid rgba(126, 145, 201, 0.35);
      border-radius: 12px;
      background: rgba(16, 24, 44, 0.98);
      box-shadow: var(--shadow);
      max-height: 220px;
      overflow-y: auto;
      padding: 6px;
    }

    .autocomplete-option {
      width: 100%;
      background: transparent;
      border: 1px solid transparent;
      color: var(--text);
      text-align: left;
      padding: 9px 10px;
      border-radius: 9px;
      min-height: 36px;
      font-weight: 600;
      font-size: 13px;
    }

    .autocomplete-option:hover,
    .autocomplete-option.active {
      background: rgba(111, 139, 255, 0.16);
      border-color: rgba(132, 154, 255, 0.4);
    }

    .autocomplete-empty {
      color: var(--muted);
      padding: 8px;
      font-size: 12px;
    }

    .customer-metrics {
      margin-top: 8px;
      border: 1px solid rgba(126, 145, 201, 0.22);
      border-radius: 12px;
      padding: 9px;
      background: rgba(20, 31, 56, 0.5);
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 6px;
      margin-bottom: 8px;
    }

    .metric-item {
      border: 1px solid rgba(115, 142, 218, 0.2);
      border-radius: 10px;
      padding: 7px;
      font-size: 12px;
      color: var(--muted);
      background: rgba(16, 24, 44, 0.7);
    }

    .metric-item strong {
      display: block;
      color: var(--text);
      font-size: 14px;
      margin-top: 2px;
    }

    .sparkline-wrap {
      display: grid;
      gap: 4px;
    }

    .sparkline-label {
      font-size: 11px;
      color: var(--muted);
    }

    .sparkline {
      width: 100%;
      height: 48px;
      display: block;
    }

    /* ---------- Form Sheet ---------- */
    .form-sheet-overlay {
      position: fixed;
      inset: 0;
      background: rgba(4, 8, 18, 0.85);
      z-index: 150;
      display: flex;
      align-items: flex-end;
      justify-content: center;
    }

    .form-sheet-overlay[hidden] {
      display: none !important;
    }

    .form-sheet {
      width: 100%;
      max-width: 600px;
      max-height: 95vh;
      max-height: 95dvh;
      background: linear-gradient(165deg, rgba(20, 29, 54, 0.99), rgba(13, 18, 36, 0.99));
      border: 1px solid rgba(138, 160, 230, 0.25);
      border-radius: 20px 20px 0 0;
      display: flex;
      flex-direction: column;
      animation: sheetUp 0.25s ease;
    }

    @keyframes sheetUp {
      from {
        transform: translateY(100%);
      }
    }

    .form-sheet-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(125, 143, 192, 0.2);
      flex-shrink: 0;
    }

    .form-sheet-header h3 {
      margin: 0;
      font-size: 18px;
    }

    .form-sheet-close {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 22px;
      padding: 4px 8px;
      border-radius: 8px;
      cursor: pointer;
    }

    .form-sheet-body {
      flex: 1;
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      padding: 16px 18px 32px;
    }

    @media (min-width: 820px) {
      .row {
        grid-template-columns: 1fr 1fr;
      }

      .row.three {
        grid-template-columns: 1fr 1fr 1fr;
      }
    }