:root {
        /* Base */
        --bg: #f4f4fb;
        --ink: #0f172a;
        --muted: rgba(100, 116, 139, 1);
        --line: rgba(148, 163, 184, 0.35);

        /* Accent palette (softer, more modern) */
        --blue: #38bdf8;
        --blueInk: #0f172a;

        --coral: #fb7185;
        --purple: #a855f7;
        --green: #22c55e;
        --yellow: #facc15;
        --orange: #fb923c;

        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
        --shadow-xl: 0 30px 80px rgba(0, 0, 0, 0.15);

        --max: 1100px;
      }

      * {
        box-sizing: border-box;
      }

      body {
        margin: 0;
        font-family:
          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
        color: var(--ink);
        background:
          radial-gradient(
            circle at 0% 0%,
            rgba(56, 189, 248, 0.24) 0%,
            transparent 55%
          ),
          radial-gradient(
            circle at 100% 100%,
            rgba(168, 85, 247, 0.2) 0%,
            transparent 55%
          ),
          linear-gradient(180deg, #f9fafb 0%, #eef2ff 40%, #e0f2fe 100%);
        background-attachment: fixed;
        min-height: 100vh;
        position: relative;
        overflow-x: hidden;
      }

      body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background:
          radial-gradient(
            circle at 30% 30%,
            rgba(255, 255, 255, 0.4) 0%,
            transparent 40%
          ),
          radial-gradient(
            circle at 70% 70%,
            rgba(156, 214, 230, 0.2) 0%,
            transparent 40%
          );
        pointer-events: none;
        z-index: 0;
      }

      main {
        max-width: var(--max);
        margin: 0 auto;
        padding: 30px 20px 100px;
        position: relative;
        z-index: 1;
      }

      /* Page Header */
      .pageHeader {
        text-align: center;
        margin-bottom: 40px;
        animation: fadeInDown 0.6s ease-out;
      }

      @keyframes fadeInDown {
        from {
          opacity: 0;
          transform: translateY(-30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .pageHeader h1 {
        font-size: 42px;
        font-weight: 900;
        margin: 0 0 12px;
        background: linear-gradient(
          135deg,
          var(--blueInk),
          var(--blue),
          var(--purple)
        );
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        letter-spacing: -1.5px;
      }

      .pageHeader p {
        font-size: 16px;
        color: var(--muted);
        margin: 0;
        font-weight: 500;
      }

      /* Main Card */
      .card {
        background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.95),
          rgba(255, 255, 255, 0.85)
        );
        border-radius: 28px;
        box-shadow: var(--shadow-xl);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.9);
        padding: 40px;
        position: relative;
        overflow: hidden;
        animation: scaleIn 0.6s ease-out 0.2s both;
      }

      @keyframes scaleIn {
        from {
          opacity: 0;
          transform: scale(0.95);
        }
        to {
          opacity: 1;
          transform: scale(1);
        }
      }

      .card::before {
        content: "";
        position: absolute;
        top: -50%;
        right: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(
          circle,
          rgba(156, 214, 230, 0.15) 0%,
          transparent 70%
        );
        animation: rotate 20s linear infinite;
        pointer-events: none;
      }

      @keyframes rotate {
        from {
          transform: rotate(0deg);
        }
        to {
          transform: rotate(360deg);
        }
      }

      /* Segmented Control */
      .seg {
        position: relative;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 8px;
        padding: 8px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.7);
        border: 2px solid rgba(156, 214, 230, 0.3);
        overflow: hidden;
        margin-bottom: 32px;
        z-index: 1;
      }

      .seg-ind {
        position: absolute;
        left: 8px;
        top: 8px;
        height: calc(100% - 16px);
        width: calc((100% - 16px - 16px) / 3);
        background: linear-gradient(135deg, var(--blue), #74b9ff);
        border-radius: 14px;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1;
        box-shadow: 0 8px 20px rgba(56, 189, 248, 0.3);
      }

      .seg button {
        border: 0;
        background: transparent;
        padding: 14px 16px;
        border-radius: 14px;
        font-weight: 800;
        font-size: 14px;
        cursor: pointer;
        color: rgba(15, 23, 42, 0.5);
        transition: color 0.25s ease;
        z-index: 2;
        position: relative;
      }

      .seg button.active {
        color: var(--blueInk);
      }

      /* Form */
      .form {
        display: grid;
        gap: 24px;
        position: relative;
        z-index: 1;
      }

      .row2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
      }

      @media (max-width: 760px) {
        .row2 {
          grid-template-columns: 1fr;
        }
      }

      .label {
        font-size: 13px;
        color: var(--ink);
        margin: 0 0 10px;
        font-weight: 800;
        letter-spacing: -0.2px;
        display: flex;
        align-items: center;
        gap: 6px;
      }

      .field {
        display: flex;
        align-items: center;
        gap: 12px;
        background: white;
        border: 2px solid rgba(156, 214, 230, 0.3);
        border-radius: 16px;
        padding: 14px 18px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      }

      .field:hover {
        transform: translateY(-2px);
        border-color: rgba(56, 189, 248, 0.5);
        box-shadow: 0 8px 20px rgba(56, 189, 248, 0.15);
      }

      .field:focus-within {
        border-color: var(--blue);
        box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.2);
        transform: translateY(-2px);
      }

      .icon {
        font-size: 20px;
        flex: 0 0 auto;
        opacity: 0.7;
      }

      input,
      select {
        border: 0;
        outline: none;
        background: transparent;
        width: 100%;
        font-size: 14px;
        font-weight: 600;
        color: var(--ink);
      }

      input::placeholder {
        color: rgba(15, 23, 42, 0.3);
      }

      /* CTA Button */
      .cta {
        margin-top: 20px;
        width: 100%;
        border: 0;
        border-radius: 16px;
        padding: 18px 24px;
        cursor: pointer;
        font-weight: 900;
        font-size: 15px;
        color: var(--blueInk);
        background: linear-gradient(135deg, var(--blue), #74b9ff);
        box-shadow: 0 16px 40px rgba(56, 189, 248, 0.4);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
      }

      .cta::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%);
        transition:
          width 0.6s,
          height 0.6s;
      }

      .cta:hover::before {
        width: 400px;
        height: 400px;
      }

      .cta:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 50px rgba(56, 189, 248, 0.5);
      }

      .cta:active {
        transform: translateY(-1px) scale(0.99);
      }

      .cta[disabled] {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
      }

      /* Status */
      .status {
        margin-top: 24px;
        padding: 16px 20px;
        background: rgba(156, 214, 230, 0.1);
        border-radius: 14px;
        border: 1px solid rgba(156, 214, 230, 0.2);
        font-size: 12px;
        color: var(--muted);
        display: flex;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        font-weight: 600;
      }

      .status code {
        background: white;
        border: 1px solid rgba(0, 0, 0, 0.08);
        padding: 4px 10px;
        border-radius: 8px;
        font-weight: 700;
        color: var(--blueInk);
      }

      /* MultiCity */
      .mc-wrap {
        display: none;
        margin-top: 12px;
      }

      .mc-head {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 12px;
        padding: 8px 4px 12px;
        margin-bottom: 8px;
      }

      .mc-head .hint {
        color: var(--muted);
        font-size: 12px;
        font-weight: 700;
        margin-top: 4px;
      }

      .link-btn {
        border: 0;
        background: transparent;
        cursor: pointer;
        font-weight: 900;
        font-size: 13px;
        color: var(--blue);
        text-decoration: underline;
        text-underline-offset: 3px;
        transition: all 0.2s ease;
      }

      .link-btn:hover {
        color: var(--blueInk);
        transform: translateX(2px);
      }

      .mc-leg {
        margin-top: 16px;
        padding: 20px;
        border-radius: 20px;
        background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.8),
          rgba(255, 255, 255, 0.6)
        );
        border: 2px solid rgba(156, 214, 230, 0.2);
        transition: all 0.3s ease;
      }

      .mc-leg:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        border-color: rgba(56, 189, 248, 0.4);
      }

      .mc-leg-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 16px;
      }

      .mc-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 900;
        font-size: 12px;
        padding: 10px 16px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--blue), #74b9ff);
        color: var(--blueInk);
        box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
      }

      .remove-btn {
        border: 2px solid rgba(251, 113, 133, 0.3);
        background: white;
        border-radius: 12px;
        padding: 8px 16px;
        font-weight: 800;
        font-size: 12px;
        cursor: pointer;
        color: var(--coral);
        transition: all 0.25s ease;
      }

      .remove-btn:hover {
        background: var(--coral);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(251, 113, 133, 0.3);
      }

      .remove-btn[disabled] {
        opacity: 0.3;
        cursor: not-allowed;
        transform: none;
      }

      /* Passenger Panel */
      .panel {
        display: none;
        margin-top: 16px;
        padding: 20px 24px;
        border-radius: 20px;
        background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.95),
          rgba(255, 255, 255, 0.85)
        );
        border: 2px solid rgba(156, 214, 230, 0.3);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
      }

      .p-row {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 20px;
        align-items: center;
        padding: 16px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      }

      .p-row:last-child {
        border-bottom: 0;
      }

      .p-title {
        font-weight: 900;
        font-size: 14px;
        color: var(--ink);
      }

      .p-sub {
        font-size: 12px;
        color: var(--muted);
        font-weight: 700;
        margin-top: 4px;
      }

      .p-ctrl {
        display: flex;
        align-items: center;
        gap: 16px;
      }

      .mini-btn {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        border: 0;
        cursor: pointer;
        font-weight: 900;
        font-size: 20px;
        display: grid;
        place-items: center;
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      }

      .mini-btn.minus {
        background: rgba(0, 0, 0, 0.06);
        color: rgba(15, 23, 42, 0.6);
      }

      .mini-btn.minus:hover {
        background: rgba(0, 0, 0, 0.1);
        transform: translateY(-2px);
      }

      .mini-btn.plus {
        background: linear-gradient(135deg, var(--blue), #74b9ff);
        color: var(--blueInk);
        box-shadow: 0 8px 20px rgba(56, 189, 248, 0.35);
      }

      .mini-btn.plus:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(56, 189, 248, 0.4);
      }

      .mini-btn:active {
        transform: translateY(0) scale(0.95);
      }

      .count {
        min-width: 28px;
        text-align: center;
        font-weight: 900;
        font-size: 15px;
        color: var(--ink);
      }

      .p-footer {
        text-align: center;
        font-size: 12px;
        color: var(--muted);
        font-weight: 800;
        padding-top: 16px;
      }

      /* Client modal */
      .modal-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(8px);
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 50;
        animation: fadeIn 0.3s ease-out;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
        }
        to {
          opacity: 1;
        }
      }

      .modal-backdrop.show {
        display: flex;
      }

      .modal {
        width: min(520px, calc(100% - 32px));
        border-radius: 24px;
        background: linear-gradient(
          135deg,
          rgba(255, 255, 255, 0.98),
          rgba(255, 255, 255, 0.95)
        );
        border: 1px solid rgba(255, 255, 255, 0.9);
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
        padding: 24px;
        animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      }

      .modal-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 0 0 16px;
        border-bottom: 2px solid rgba(156, 214, 230, 0.2);
        margin-bottom: 20px;
      }

      .modal-head strong {
        font-size: 18px;
        font-weight: 900;
        color: var(--ink);
      }

      .x {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        border: 0;
        background: rgba(0, 0, 0, 0.06);
        cursor: pointer;
        font-weight: 900;
        font-size: 18px;
        transition: all 0.2s ease;
      }

      .x:hover {
        background: rgba(0, 0, 0, 0.1);
        transform: rotate(90deg);
      }

      .btn {
        border: 2px solid rgba(0, 0, 0, 0.08);
        background: white;
        padding: 12px 20px;
        border-radius: 12px;
        cursor: pointer;
        font-weight: 900;
        font-size: 13px;
        transition: all 0.25s ease;
      }

      .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      }

      .btn.primary {
        border: 0;
        color: var(--blueInk);
        background: linear-gradient(135deg, var(--blue), #74b9ff);
        box-shadow: 0 8px 20px rgba(56, 189, 248, 0.3);
      }

      .btn.primary:hover {
        box-shadow: 0 12px 28px rgba(56, 189, 248, 0.4);
      }

      /* Responsive */
      @media (max-width: 600px) {
        .pageHeader h1 {
          font-size: 32px;
        }
        .card {
          padding: 28px 22px;
        }
        main {
          padding: 20px 16px 80px;
        }
      }

      /* Section Title */
      .sectionTitle {
        font-size: 14px;
        font-weight: 900;
        color: var(--ink);
        margin: 0 0 16px;
        letter-spacing: -0.3px;
      }