:root {
      --main-color: #111827;
      --accent-color: #2563eb;
      --bg-color: #f8fafc;
      --card-bg: #ffffff;
      --muted-color: #64748b;
      --border-color: #e5e7eb;
    }

    body {
      min-height: 100vh;
      background: var(--bg-color);
      color: var(--main-color);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    .navbar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }

    .navbar-brand {
      font-weight: 700;
      letter-spacing: -0.04em;
      font-size: 1.5rem;
      color: var(--main-color);
    }

    .navbar-brand span {
      color: var(--accent-color);
    }

    .hero {
      padding: 56px 0;
    }

    .hero-card {
      max-width: 760px;
      margin: 0 auto;
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 24px;
      padding: 32px;
      box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06);
    }

    .hero-title {
      font-weight: 750;
      letter-spacing: -0.05em;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .hero-description {
      color: var(--muted-color);
      max-width: 540px;
      margin: 0 auto 28px;
    }

    .url-input {
      height: 56px;
      border-radius: 14px;
      border-color: var(--border-color);
      padding-left: 18px;
      padding-right: 18px;
    }

    .url-input:focus {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.12);
    }

    .btn-main {
      min-height: 56px;
      border-radius: 14px;
      background: var(--accent-color);
      border-color: var(--accent-color);
      font-weight: 600;
      padding-left: 24px;
      padding-right: 24px;
    }

    .btn-main:hover {
      background: #1d4ed8;
      border-color: #1d4ed8;
    }

    .result-box {
      display: none;
      margin-top: 28px;
      padding: 24px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: 18px;
    }

    .short-link-box {
      display: flex;
      gap: 10px;
      align-items: center;
      justify-content: space-between;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 12px 14px;
      margin-bottom: 20px;
      word-break: break-all;
    }

    .short-link-box a {
      color: var(--accent-color);
      text-decoration: none;
      font-weight: 600;
    }

    .qr-box {
      width: 300px;
      height: 300px;
      margin: 0 auto 16px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--muted-color);
      font-size: 14px;
      text-align: center;
      padding: 16px;
    }

    .stats-link {
      color: var(--muted-color);
      text-decoration: none;
      font-size: 0.95rem;
    }

    .stats-link:hover {
      color: var(--accent-color);
      text-decoration: underline;
    }

    .footer-note {
      color: var(--muted-color);
      font-size: 0.9rem;
      margin-top: 28px;
    }

    @media (max-width: 575.98px) {
      .hero {
        padding: 32px 0;
      }

      .hero-card {
        padding: 22px;
        border-radius: 20px;
      }

      .hero-title {
        font-size: 2rem;
      }

      .short-link-box {
        align-items: flex-start;
        flex-direction: column;
      }

      .btn-main {
        width: 100%;
      }
    }


/* Дополнительные стили для аккуратного отображения таблицы */
    .table-expenses {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
      background: #1e1e2f; /* тёмный фон в тон navbar */
      color: #e9ecef;
      margin-bottom: 2rem;
    }
    .table-expenses thead th {
      background: #2d2d44;
      color: #ffffff;
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.03em;
      text-transform: uppercase;
      padding: 1rem 1.25rem;
      border-bottom: 2px solid #4f4f6b;
    }
    .table-expenses tbody td {
      padding: 0.9rem 1.25rem;
      vertical-align: middle;
      border-bottom: 1px solid #3a3a4c;
      background-color: #232336;
      transition: background-color 0.2s ease;
    }
    .table-expenses tbody tr:last-child td {
      border-bottom: none;
    }
    .table-expenses tbody tr:hover td {
      background-color: #2c2c42;
    }
    .expense-date {
      font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
      font-weight: 500;
      color: #a8b3cf;
      white-space: nowrap;
    }
    .expense-amount {
      font-weight: 700;
      color: #ffb86c; /* тёплый акцент для сумм */
      white-space: nowrap;
    }
    .expense-category {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .category-badge {
      background: #2f3547;
      color: #cfd4e6;
      padding: 0.3rem 0.75rem;
      border-radius: 30px;
      font-size: 0.8rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      transition: all 0.2s;
    }
    .category-badge:hover {
      background: #3d4357;
      color: white;
    }
    /* Адаптив для мобильных */
    @media (max-width: 576px) {
      .table-expenses thead {
        display: none;
      }
      .table-expenses, .table-expenses tbody, .table-expenses tr, .table-expenses td {
        display: block;
        width: 100%;
      }
      .table-expenses tr {
        margin-bottom: 1rem;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        background: #232336;
      }
      .table-expenses td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #3a3a4c;
      }
      .table-expenses td:last-child {
        border-bottom: none;
      }
      .table-expenses td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #aaa;
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.05em;
        margin-right: 1rem;
      }
      .expense-amount {
        font-size: 1.2rem;
      }
    }



/* Стили для блока итого */
    .total-expenses-card {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      border-radius: 20px;
      padding: 2rem 1.5rem;
      box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
      margin-bottom: 2rem;
      position: relative;
      overflow: hidden;
      transition: transform 0.3s ease;
    }
    
    .total-expenses-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 45px rgba(102, 126, 234, 0.5);
    }
    
    .total-expenses-card::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 200px;
      height: 200px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
    }
    
    .total-expenses-card::after {
      content: '';
      position: absolute;
      bottom: -30%;
      left: -10%;
      width: 150px;
      height: 150px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
    }
    
    .total-expenses-content {
      position: relative;
      z-index: 1;
    }
    
    .total-expenses-label {
      color: rgba(255, 255, 255, 0.9);
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 0.5rem;
      font-weight: 500;
    }
    
    .total-expenses-amount {
      font-size: 3rem;
      font-weight: 700;
      color: #ffffff;
      line-height: 1;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
      letter-spacing: -1px;
    }
    
    .total-expenses-icon {
      font-size: 3.5rem;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 1rem;
    }
    
    /* Стили для выбора месяца */
    .month-selector-wrapper {
      background: #2d2d44;
      border-radius: 16px;
      padding: 1.5rem;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
      transition: all 0.3s ease;
    }
    
    .month-selector-wrapper:hover {
      box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    }
    
    .month-selector-label {
      color: #a8b3cf;
      font-size: 0.9rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    
    .month-selector-label i {
      font-size: 1.2rem;
      color: #667eea;
    }
    
    .form-select-month {
      background-color: #1e1e2f !important;
      border: 2px solid #4f4f6b !important;
      border-radius: 12px !important;
      color: #e9ecef !important;
      font-size: 1.1rem !important;
      font-weight: 500 !important;
      padding: 0.8rem 1.2rem !important;
      transition: all 0.3s ease !important;
      cursor: pointer;
      width: 100%;
      max-width: 300px;
      margin: 0 auto;
    }
    
    .form-select-month:hover {
      border-color: #667eea !important;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2) !important;
    }
    
    .form-select-month:focus {
      border-color: #667eea !important;
      box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3) !important;
      outline: none !important;
    }
    
    .form-select-month option {
      background-color: #2d2d44;
      color: #e9ecef;
      padding: 0.5rem;
    }
    
    /* Стили для таблицы (оставляем как было) */
    .table-expenses {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
      background: #1e1e2f;
      color: #e9ecef;
      margin-bottom: 2rem;
    }
    .table-expenses thead th {
      background: #2d2d44;
      color: #ffffff;
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.03em;
      text-transform: uppercase;
      padding: 1rem 1.25rem;
      border-bottom: 2px solid #4f4f6b;
    }
    .table-expenses tbody td {
      padding: 0.9rem 1.25rem;
      vertical-align: middle;
      border-bottom: 1px solid #3a3a4c;
      background-color: #232336;
      transition: background-color 0.2s ease;
    }
    .table-expenses tbody tr:last-child td {
      border-bottom: none;
    }
    .table-expenses tbody tr:hover td {
      background-color: #2c2c42;
    }
    .expense-date {
      font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
      font-weight: 500;
      color: #a8b3cf;
      white-space: nowrap;
    }
    .expense-amount {
      font-weight: 700;
      color: #ffb86c;
      white-space: nowrap;
    }
    
    /* Адаптивность */
    @media (max-width: 768px) {
      .total-expenses-amount {
        font-size: 2.2rem;
      }
      .total-expenses-icon {
        font-size: 2.5rem;
      }
      .form-select-month {
        max-width: 100%;
      }
    }