:root {
      --ink: #111;
      --paper: #fff8ef;
      --accent: #c1121f;
      --accent-hover: #a00f1a;
      --yellow: #f6c453;
      --green: #2d6a4f;
      --orange: #fb8500;
      --purple: #7209b7;
      --muted: #555;
      --shadow: rgba(15,23,42,0.08);
      --shadow-lg: rgba(15,23,42,0.18);
      --glass: rgba(255,255,255,0.88);
      --glass-strong: rgba(255,255,255,0.96);
      --border: rgba(17,17,17,0.12);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
      scroll-behavior: smooth;
    }

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

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 10%, rgba(255,255,255,0.34) 0%, transparent 46%),
        radial-gradient(circle at 88% 12%, rgba(255,255,255,0.22) 0%, transparent 44%),
        linear-gradient(135deg, #f8d67b 0%, #f8a85f 46%, #d84c5a 100%);
      background-attachment: fixed;
      line-height: 1.68;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
      padding: 32px 18px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
    }

    header {
      text-align: center;
      margin-bottom: 50px;
      background: var(--glass-strong);
      backdrop-filter: blur(18px);
      padding: 38px 30px;
      border-radius: 28px;
      box-shadow: 0 14px 36px var(--shadow-lg);
      border: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }

    header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 6px;
      background: linear-gradient(90deg, var(--accent) 0%, var(--yellow) 25%, var(--green) 50%, var(--orange) 75%, var(--accent) 100%);
      background-size: 100% 100%;
    }

    @keyframes gradient-slide {
      0% { background-position: 0% 50%; }
      100% { background-position: 200% 50%; }
    }

    h1 {
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      text-shadow: 0 3px 10px rgba(193,18,31,0.18);
    }

    .subtitle {
      font-size: 18px;
      color: var(--muted);
      font-weight: 500;
    }

    .year-switcher {
      margin-top: 20px;
      display: inline-flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .year-button {
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 10px 18px;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.03em;
      color: var(--ink);
      background: rgba(255,255,255,0.92);
      cursor: pointer;
      transition: var(--transition);
    }

    .year-button:hover {
      transform: translateY(-1px);
      border-color: rgba(193,18,31,0.35);
      box-shadow: 0 6px 16px rgba(15,23,42,0.1);
    }

    .year-button.active {
      color: var(--ink);
      border-color: transparent;
      background: linear-gradient(135deg, var(--accent), var(--orange));
      box-shadow: 0 4px 14px rgba(193,18,31,0.3);
    }

    .countdown {
      margin: 22px auto 0;
      max-width: 760px;
      padding: 16px;
      border-radius: 16px;
      border: 1px solid var(--border);
      background: rgba(255, 255, 255, 0.86);
      backdrop-filter: blur(10px);
      color: #111;
    }

    .countdown-title {
      font-size: 14px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: #8f1020;
      margin-bottom: 4px;
    }

    .countdown-target {
      font-size: 14px;
      font-weight: 600;
      color: #374151;
      margin-bottom: 12px;
    }

    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }

    .countdown-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      padding: 12px 8px;
      background: rgba(255,255,255,0.72);
      border: 1px solid rgba(17,17,17,0.12);
    }

    .countdown-item span {
      font-size: clamp(24px, 3.2vw, 34px);
      font-weight: 900;
      line-height: 1;
      color: #111;
    }

    .countdown-item small {
      margin-top: 6px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: #4b5563;
    }

    .countdown-item:nth-child(1) {
      background: linear-gradient(135deg, rgba(193,18,31,0.14), rgba(193,18,31,0.06));
      border-color: rgba(193,18,31,0.24);
    }

    .countdown-item:nth-child(1) span {
      color: #a00f1a;
    }

    .countdown-item:nth-child(2) {
      background: linear-gradient(135deg, rgba(45,106,79,0.16), rgba(45,106,79,0.08));
      border-color: rgba(45,106,79,0.26);
    }

    .countdown-item:nth-child(2) span {
      color: #1f5a42;
    }

    .countdown-item:nth-child(3) {
      background: linear-gradient(135deg, rgba(251,133,0,0.16), rgba(251,133,0,0.08));
      border-color: rgba(251,133,0,0.26);
    }

    .countdown-item:nth-child(3) span {
      color: #c25e00;
    }

    .countdown-item:nth-child(4) {
      background: linear-gradient(135deg, rgba(114,9,183,0.16), rgba(114,9,183,0.08));
      border-color: rgba(114,9,183,0.26);
    }

    .countdown-item:nth-child(4) span {
      color: #5f0aa0;
    }

    .folder-filter {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      padding: 10px 14px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.9);
    }

    .folder-filter label {
      font-size: 13px;
      font-weight: 700;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .folder-filter select {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px 10px;
      font: inherit;
      font-size: 14px;
      color: var(--ink);
      background: #fff;
    }

    .folder-filter button {
      border: none;
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: #fff;
      background: linear-gradient(135deg, var(--accent), var(--orange));
      cursor: pointer;
      transition: var(--transition);
    }

    .folder-filter button:hover {
      transform: translateY(-1px);
      background: linear-gradient(135deg, var(--orange), var(--accent));
    }

    .filter-stats {
      margin-top: 12px;
      display: inline-flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .stat-chip {
      display: inline-flex;
      align-items: center;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(29,53,87,0.1);
      border: 1px solid rgba(29,53,87,0.2);
      color: var(--ink);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent), var(--orange));
      color: #fff;
      padding: 8px 16px;
      border-radius: 999px;
      font-weight: 700;
      text-transform: uppercase;
      font-size: 11px;
      letter-spacing: 0.05em;
      margin-bottom: 16px;
      box-shadow: 0 2px 8px rgba(193,18,31,0.3);
    }

    .events-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
      margin-bottom: 52px;
    }

    .events-empty {
      margin: -30px auto 40px;
      max-width: 600px;
      text-align: center;
      padding: 14px 18px;
      border-radius: 12px;
      background: rgba(255,255,255,.9);
      border: 1px solid var(--border);
      color: var(--muted);
      font-weight: 600;
    }

    .event-card {
      background: var(--glass);
      backdrop-filter: blur(16px);
      border-radius: 22px;
      padding: 26px;
      box-shadow: 0 8px 22px var(--shadow);
      border: 1px solid var(--border);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
      text-decoration: none;
      color: inherit;
      display: block;
    }

    .event-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: linear-gradient(90deg, var(--accent) 0%, var(--yellow) 25%, var(--green) 50%, var(--orange) 75%, var(--accent) 100%);
      transition: var(--transition);
    }

    .event-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 28px var(--shadow-lg);
    }

    .event-card:hover::before {
      height: 6px;
    }

    .event-card.event-card-done {
      opacity: 0.88;
    }

    .event-card.event-card-disabled {
      pointer-events: none;
      cursor: not-allowed;
      filter: grayscale(0.15);
    }

    .event-card.event-card-done::before {
      background: linear-gradient(90deg, #6c757d 0%, #adb5bd 100%);
    }

    .event-card.event-card-done:hover {
      transform: none;
      box-shadow: 0 4px 16px var(--shadow);
    }

    .event-date {
      display: inline-block;
      background: linear-gradient(135deg, var(--green), var(--accent));
      color: #fff;
      padding: 9px 14px;
      border-radius: 10px;
      font-weight: 900;
      font-size: 15px;
      letter-spacing: 0.03em;
      margin-bottom: 14px;
      box-shadow: 0 2px 8px rgba(45,106,79,0.3);
    }

    .event-card.event-card-done .event-date {
      background: linear-gradient(135deg, #6c757d, #495057);
      box-shadow: 0 2px 8px rgba(108,117,125,0.3);
    }

    .event-status {
      display: inline-flex;
      margin-left: 8px;
      margin-bottom: 16px;
      padding: 8px 12px;
      border-radius: 10px;
      font-weight: 800;
      font-size: 12px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: #fff;
      background: #2d6a4f;
      vertical-align: top;
    }

    .event-status.done {
      background: #495057;
    }

    .event-card h2 {
      font-size: 24px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 10px;
      color: var(--ink);
    }

    .event-card p {
      color: var(--muted);
      margin-bottom: 8px;
      font-size: 15px;
      line-height: 1.6;
    }

    .event-time {
      display: flex;
      gap: 10px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .time-badge {
      background: rgba(193,18,31,.12);
      color: var(--accent);
      padding: 8px 12px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 13px;
      border: 1px solid rgba(193,18,31,.28);
    }

    .cta-button {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent), var(--orange));
      color: #fff;
      padding: 12px 18px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 0.02em;
      text-decoration: none;
      transition: var(--transition);
      box-shadow: 0 8px 18px rgba(193,18,31,0.24);
      margin-top: 16px;
    }

    .cta-button:hover {
      background: linear-gradient(135deg, var(--orange), var(--accent));
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(193,18,31,0.3);
    }

    .event-card.event-card-done .cta-button {
      background: linear-gradient(135deg, #6c757d, #495057);
      box-shadow: 0 4px 16px rgba(108,117,125,0.3);
    }

    .info-section {
      background: var(--glass);
      backdrop-filter: blur(16px);
      border-radius: 22px;
      padding: 34px;
      box-shadow: 0 10px 26px var(--shadow);
      border: 1px solid var(--border);
      margin-bottom: 40px;
    }

    .info-section h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 20px;
      color: var(--accent);
    }

    .info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .info-item {
      padding: 18px;
      background: rgba(255,255,255,0.55);
      border-radius: 14px;
      border: 1px solid rgba(246,196,83,0.24);
    }

    .info-item h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .info-item p {
      color: var(--ink);
      font-size: 15px;
      line-height: 1.65;
    }

    footer a {
      color: var(--accent);
      font-weight: 700;
      text-underline-offset: 2px;
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
    }

    footer {
      text-align: center;
      padding: 24px;
      background: var(--glass);
      backdrop-filter: blur(14px);
      border-radius: 16px;
      color: var(--muted);
      font-size: 14px;
      box-shadow: 0 8px 20px var(--shadow);
    }

    @media (max-width: 768px) {
      body {
        padding: 18px 10px;
      }

      header {
        padding: 30px 20px;
        margin-bottom: 40px;
      }

      h1 {
        font-size: 32px;
      }

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

      .info-section {
        padding: 25px;
      }

      .event-card {
        padding: 22px;
      }

      .cta-button {
        width: 100%;
        justify-content: center;
      }

      .folder-filter {
        width: 100%;
        justify-content: center;
      }

      .filter-stats {
        justify-content: center;
      }

      .year-switcher {
        width: 100%;
      }

      .countdown-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }