:root {
    --primary: #2f6df6;
    --bg: #f4f7fb;
    --card-bg: #ffffff;
    --border: #e6ecf5;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --success: #4ade80;
    --warning: #facc15;
    --danger: #f87171;
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.06);
  }
  
  * {
    box-sizing: border-box;
    font-family: Inter, system-ui, sans-serif;
  }
  
  body {
    margin: 0;
    background: var(--bg);
  }
  
  .tt-widget {
    max-width: 1200px;
    margin: auto;
    padding: 16px;
  }
  
  .tt-search {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
  }
  
  .tt-search input {
    flex: 1;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    font-size: 15px;
  }
  
  .tt-search button {
    padding: 14px 20px;
    border-radius: 14px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
  }
  
  .tt-layout {
    display: flex;
    gap: 20px;
  }
  
  .tt-master-card {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 24px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-soft);
  }

  .tt-master-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
  }

  .tt-master-title {
    font-weight: 700;
    font-size: 20px;
  }

  .tt-event-count-btn {
    border: none;
    background: #eef2ff;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    border-radius: 999px;
    padding: 6px 16px;
    cursor: pointer;
    box-shadow: inset 0 0 0 1px rgba(47, 109, 246, 0.25);
  }

  .tt-master-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }

  .tt-master-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .tt-master-row strong {
    font-size: 15px;
    color: var(--text-main);
  }

  .tt-master-row-label {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .tt-master-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: #eff4ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }
  
  .tt-timeline-area {
    flex: 1;
    background: #ebefff;
    border-radius: 18px;
    padding: 24px 28px;
    box-shadow: var(--shadow-soft);
  }
  
  .tt-container-switcher {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
  }
  
  .tt-container-btn {
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: #f1f5ff;
    color: var(--primary);
    cursor: pointer;
    font-size: 13px;
    white-space: nowrap;
  }
  
  .tt-container-btn.active {
    background: var(--primary);
    color: #fff;
  }
  
  .tt-timeline {
    position: relative;
    padding-left: 60px;
    background: #f4f6ff;
    border-radius: 16px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .tt-timeline::before {
    content: '';
    position: absolute;
    left: 191px;
    top: 12px;
    bottom: 12px;
    width: 3px;
    background: linear-gradient(180deg, rgba(47, 109, 246, 0.35), rgba(47, 109, 246, 0.1));
  }

  .tt-timeline-row {
    position: relative;
    display: grid;
    grid-template-columns: 96px 40px 1fr;
    gap: 16px;
    margin-bottom: 18px;
    align-items: center;
  }

  .tt-timeline-row:last-child {
    margin-bottom: 0;
  }

  .tt-timeline-date {
    text-align: right;
    font-weight: 600;
    color: var(--text-muted);
    padding-right: 6px;
  }

  .tt-timeline-line {
    position: relative;
    width: 40px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .tt-timeline-line span {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 4px solid rgba(101, 105, 186, 0.4);
    background: #f4f6ff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
    z-index: 1;
  }

  .tt-timeline-row.status-primary .tt-timeline-line span {
    border-color: rgba(47, 109, 246, 0.8);
    box-shadow: 0 0 0 3px rgba(47, 109, 246, 0.12);
  }

  .tt-timeline-row.status-success .tt-timeline-line span {
    border-color: rgba(34, 197, 94, 0.8);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12);
  }

  .tt-timeline-row.status-warning .tt-timeline-line span {
    border-color: rgba(245, 158, 11, 0.8);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
  }

  .tt-timeline-row.status-default .tt-timeline-line span {
    border-color: rgba(160, 174, 192, 0.8);
    box-shadow: 0 0 0 3px rgba(160, 174, 192, 0.12);
  }

  .tt-signature-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
  }

  .tt-signature-modal.is-open {
    display: flex;
  }

  .tt-signature-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
  }

  .tt-signature-card {
    position: relative;
    background: #0f172a;
    border-radius: 20px;
    padding: 24px;
    width: min(640px, 95%);
    z-index: 1;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.45);
  }

  .tt-signature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    color: #fff;
  }

  .tt-signature-title {
    font-weight: 600;
    font-size: 18px;
  }

  .tt-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
  }

  .tt-signature-body {
    background: #fff;
    border-radius: 18px;
    padding: 16px;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
  }

  .tt-signature-img {
    width: 100%;
    border-radius: 12px;
    height: 320px;
    object-fit: contain;
    background: #f9fafb;
    display: block;
  }

  .tt-signature-meta {
    margin-top: 12px;
    font-size: 13px;
    color: #0f172a;
    text-align: center;
  }

  .tt-timeline-day {
    font-size: 24px;
    color: var(--text-main);
    font-weight: 700;
  }

  .tt-timeline-month,
  .tt-timeline-year {
    font-size: 12px;
    letter-spacing: 0.3px;
  }

  .tt-timeline-card {
    flex: 1;
    background: #ffffff;
    border-radius: 22px;
    padding: 18px 22px;
    box-shadow: 0 20px 60px rgba(63, 83, 180, 0.16);
    border: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .tt-timeline-card-header {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    gap: 12px;
    align-items: center;
  }

  .tt-card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .tt-event-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
  }

  .tt-event-location {
    font-size: 13px;
    color: var(--text-muted);
  }

  .tt-event-time {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
  }

  .tt-event-action {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #eef2ff;
    color: var(--primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .tt-event-action:hover {
    transform: scale(1.05);
  }

  .tt-event-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }

  .tt-event-meta {
    font-size: 12px;
    color: var(--text-muted);
  }

  .tt-event-time {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(47, 109, 246, 0.12);
    color: #2f6df6;
  }

  .tt-event-time.status-primary {
    background: rgba(47, 109, 246, 0.12);
    color: #1d4ed8;
  }

  .tt-event-time.status-success {
    background: rgba(34, 197, 94, 0.16);
    color: #059669;
  }

  .tt-event-time.status-warning {
    background: rgba(245, 158, 11, 0.16);
    color: #b45309;
  }

  .tt-event-time.status-default {
    background: rgba(148, 163, 184, 0.16);
    color: #475569;
  }

  .tt-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
  }

  .tt-status-dot.status-primary {
    background: #2f6df6;
  }

  .tt-status-dot.status-success {
    background: #22c55e;
  }

  .tt-status-dot.status-warning {
    background: #f59e0b;
  }

  .tt-status-dot.status-default {
    background: #a3a3a3;
  }
  
.tt-container-switcher {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    overflow-x: auto;
  }
  
  .tt-truck-btn {
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
  }
  
  .tt-truck-svg {
    position: relative;
    width: 86px;
    height: 36px;
  }
  
  .tt-truck-svg svg {
    width: 100%;
    height: 100%;
    display: block;
  }
  
  .tt-truck-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #0a2540;
    pointer-events: none;
  }
  @media (max-width: 768px) {
    .tt-layout {
      flex-direction: column;
    }
  
    .tt-master-card {
      max-width: 100%;
    }
  }