@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

  :root {
    --blue: #1F5C99;
    --blue-light: #2d7acc;
    --blue-pale: #e8f0fb;
    --green: #1a8a5a;
    --green-pale: #e6f7ef;
    --yellow: #c67c00;
    --yellow-pale: #fff3e0;
    --gray-50: #f8f9fb;
    --gray-100: #f0f2f6;
    --gray-200: #e2e6ed;
    --gray-400: #9aa3b2;
    --gray-600: #5a6478;
    --gray-800: #2c3344;
    --gray-900: #1a1f2e;
    --white: #ffffff;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 2px 12px rgba(31,92,153,0.09);
    --shadow-md: 0 4px 24px rgba(31,92,153,0.13);
    --font: 'Manrope', sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --transition: 0.22s cubic-bezier(.4,0,.2,1);
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    font-family: var(--font);
    background: var(--gray-50);
    color: var(--gray-800);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }

  /* ── HEADER ── */
  .header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 18px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
  }
  .header-inner {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .header-icon {
    width: 44px; height: 44px;
    background: var(--blue);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
  }
  .header-text h1 {
    font-size: 17px; font-weight: 700;
    color: var(--gray-900); line-height: 1.2;
  }
  .header-text p {
    font-size: 13px; color: var(--gray-600); margin-top: 1px;
  }
  .header-contact {
    margin-left: auto;
    display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
  }
  .header-contact a {
    font-size: 15px; font-weight: 700; color: var(--blue);
    text-decoration: none;
  }
  .header-contact span { font-size: 12px; color: var(--gray-400); }

  /* ── MAIN ── */
  .main {
    max-width: 860px;
    margin: 0 auto;
    padding: 28px 16px 60px;
  }

  /* ── SECTION TITLE ── */
  .section-label {
    font-size: 11px; font-weight: 700; letter-spacing: .1em;
    text-transform: uppercase; color: var(--gray-400);
    margin-bottom: 12px;
  }

  /* ── EXAMPLES ── */
  .examples-section { margin-bottom: 28px; }
  .examples-scroll {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
  }
  .example-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px 14px 12px;
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    user-select: none;
  }
  .example-card:hover {
    border-color: var(--blue-light);
    box-shadow: var(--shadow);
    transform: translateY(-1px);
  }
  .example-card.active {
    border-color: var(--blue);
    background: var(--blue-pale);
    box-shadow: 0 0 0 3px rgba(31,92,153,.12);
  }
  .example-card-icon { font-size: 22px; margin-bottom: 7px; }
  .example-card-name {
    font-size: 13px; font-weight: 700; color: var(--gray-900);
    line-height: 1.3; margin-bottom: 4px;
  }
  .example-card-desc { font-size: 12px; color: var(--gray-600); line-height: 1.4; }
  .example-card-badge {
    display: inline-block; margin-top: 8px;
    font-size: 10px; font-weight: 700; letter-spacing: .04em;
    padding: 2px 8px; border-radius: 20px;
    background: var(--gray-100); color: var(--gray-600);
  }
  .example-card.active .example-card-badge {
    background: var(--blue); color: white;
  }

  /* ── CALCULATOR CARD ── */
  .calc-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    margin-bottom: 20px;
  }

  /* ── TYPE SWITCHER ── */
  .type-switcher {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
  }
  .type-btn {
    flex: 1;
    padding: 14px 8px;
    border: none;
    background: transparent;
    font-family: var(--font);
    font-size: 13px; font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    text-align: center;
    line-height: 1.3;
  }
  .type-btn:hover { color: var(--blue); }
  .type-btn.active {
    color: var(--blue);
    background: var(--white);
    border-bottom-color: var(--blue);
  }
  .type-btn-icon { display: block; font-size: 18px; margin-bottom: 3px; }

  /* ── FORM ── */
  .calc-form { padding: 24px; }
  .form-panel { display: none; }
  .form-panel.active {
    display: block;
    animation: fadeIn .2s ease;
  }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

  .field-group { margin-bottom: 18px; }
  .field-label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--gray-600); margin-bottom: 6px;
  }
  .field-hint { font-size: 12px; color: var(--gray-400); font-weight: 400; margin-left: 4px; }
  .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

  .num-input-wrap { position: relative; }
  .num-input {
    width: 100%; padding: 11px 44px 11px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    font-size: 16px; font-weight: 600;
    color: var(--gray-900);
    background: var(--white);
    transition: border-color var(--transition);
    -moz-appearance: textfield;
  }
  .num-input::-webkit-outer-spin-button,
  .num-input::-webkit-inner-spin-button { -webkit-appearance: none; }
  .num-input:focus { outline: none; border-color: var(--blue); }
  .num-input.warn { border-color: var(--yellow); }
  .num-unit {
    position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    font-size: 12px; color: var(--gray-400); font-weight: 600; pointer-events: none;
  }
  .field-warning {
    font-size: 12px; color: var(--yellow); margin-top: 4px; display: none;
  }
  .field-warning.show { display: block; }

  /* ── ROUTE SELECT ── */
  .route-select {
    width: 100%; padding: 11px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 15px; font-weight: 600;
    color: var(--gray-900); background: var(--white);
    cursor: pointer;
    transition: border-color var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239aa3b2' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center;
    padding-right: 36px;
  }
  .route-select:focus { outline: none; border-color: var(--blue); }

  /* ── RESULT ── */
  .result-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
  }
  .result-header {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--gray-100);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    flex-wrap: wrap;
  }
  .result-amount {
    font-family: var(--mono);
    font-size: clamp(32px, 7vw, 48px);
    font-weight: 700; color: var(--gray-900);
    letter-spacing: -.02em;
    line-height: 1;
  }
  .result-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 700; letter-spacing: .04em;
  }
  .result-badge.hourly { background: var(--green-pale); color: var(--green); }
  .result-badge.km { background: var(--yellow-pale); color: var(--yellow); }
  .result-badge.fixed { background: var(--blue-pale); color: var(--blue); }

  .result-body { padding: 0 24px 20px; }
  .result-note {
    font-size: 13px; color: var(--gray-600);
    padding: 14px 0 16px; line-height: 1.6;
  }

  .breakdown-table {
    width: 100%; border-collapse: collapse;
    overflow-x: auto; display: block;
  }
  .breakdown-table th {
    text-align: left; font-size: 11px; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--gray-400); padding: 6px 12px 6px 0;
    border-bottom: 1px solid var(--gray-200); white-space: nowrap;
  }
  .breakdown-table td {
    padding: 10px 12px 10px 0;
    font-size: 14px; border-bottom: 1px solid var(--gray-100);
    white-space: nowrap;
  }
  .breakdown-table td:last-child { text-align: right; font-family: var(--mono); font-weight: 600; }
  .breakdown-table tr.total td {
    border-bottom: none; font-weight: 800;
    font-size: 15px; color: var(--gray-900);
    padding-top: 14px;
  }
  .breakdown-table tr.total td:last-child { color: var(--blue); }

  .result-actions {
    display: flex; gap: 10px; padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    flex-wrap: wrap;
  }
  .btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 10px 18px; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 13px; font-weight: 700;
    cursor: pointer; border: none; transition: all var(--transition);
    text-decoration: none; white-space: nowrap;
  }
  .btn-primary {
    background: var(--blue); color: var(--white);
  }
  .btn-primary:hover { background: var(--blue-light); }
  .btn-secondary {
    background: var(--gray-100); color: var(--gray-800);
  }
  .btn-secondary:hover { background: var(--gray-200); }
  .btn.copied { background: var(--green); color: white; }

  /* ── FOOTER ── */
  .footer {
    border-top: 1px solid var(--gray-200);
    background: var(--white);
    padding: 28px 24px;
    margin-top: 40px;
  }
  .footer-inner {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
  }
  .footer-block h4 {
    font-size: 11px; font-weight: 700; letter-spacing: .1em;
    text-transform: uppercase; color: var(--gray-400); margin-bottom: 10px;
  }
  .footer-block p, .footer-block li {
    font-size: 13px; color: var(--gray-600); line-height: 1.8;
    list-style: none;
  }
  .footer-block a { color: var(--blue); text-decoration: none; }
  .footer-block a:hover { text-decoration: underline; }
  .tariff-row { display: flex; justify-content: space-between; gap: 10px; }
  .tariff-row span:last-child { font-family: var(--mono); font-weight: 600; color: var(--gray-900); }

  @media (max-width: 600px) {
    .header-contact span { display: none; }
    .type-btn { font-size: 12px; padding: 12px 4px; }
    .field-row { grid-template-columns: 1fr; }
    .result-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .examples-scroll { grid-template-columns: repeat(2, 1fr); }
    .calc-form { padding: 18px 16px; }
    .result-body { padding: 0 16px 16px; }
    .result-header { padding: 18px 16px 14px; }
    .result-actions { padding: 12px 16px; }
  }