:root {
      --dv-red: #800000;
      --dv-red-dark: #8b0000;
      --bg-light: #f8f9fa;
      --text-dark: #1a1a1a;
      --text-muted: #666;
      --white: #ffffff;
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

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

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* HEADER FESTIVO */
    header {
      padding: 80px 0 60px;
      text-align: center;
      background: linear-gradient(135deg, var(--dv-red) 0%, var(--dv-red-dark) 100%);
      color: white;
      border-radius: 0 0 50px 50px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 15px 30px rgba(196, 30, 58, 0.2);
    }

    .decoration {
      position: absolute;
      font-size: 2rem;
      opacity: 0.2;
      animation: float 6s ease-in-out infinite;
      pointer-events: none;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0) rotate(0deg); }
      50% { transform: translateY(-20px) rotate(10deg); }
    }

    .d1 { top: 20%; left: 10%; animation-delay: 0s; }
    .d2 { top: 60%; left: 15%; animation-delay: 1s; }
    .d3 { top: 30%; right: 12%; animation-delay: 2s; }
    .d4 { top: 70%; right: 18%; animation-delay: 3s; }

    header h1 {
      font-size: 3rem;
      font-weight: 800;
      margin-bottom: 10px;
      text-shadow: 0 4px 10px rgba(0,0,0,0.2);
    }

    .month-badge {
      display: inline-flex;
      align-items: center;
      gap: 15px;
      background: rgba(255, 255, 255, 0.2);
      padding: 8px 24px;
      border-radius: 30px;
      font-weight: 700;
      margin-top: 20px;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.3);
    }

    .nav-btn {
      background: none;
      border: none;
      color: white;
      font-size: 1.5rem;
      cursor: pointer;
      padding: 0 10px;
      transition: transform 0.2s;
      display: flex;
      align-items: center;
    }

    .nav-btn:hover { transform: scale(1.2); }

    /* CONTEÚDO */
    .container {
      max-width: 1200px;
      margin: -30px auto 80px;
      padding: 0 20px;
      position: relative;
      z-index: 10;
    }

    #birthday-carousel {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 25px;
    }

    /* CARD DE ANIVERSARIANTE */
    .birthday-card {
      background: var(--white);
      border-radius: 24px;
      padding: 35px 20px;
      text-align: center;
      box-shadow: var(--shadow);
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border: 1px solid #eee;
      position: relative;
      overflow: hidden;
    }

    .birthday-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.12);
      border-color: var(--dv-red);
    }

    .birthday-card.today-special {
      border: 2px solid var(--dv-red);
      background: linear-gradient(to bottom, #fff, #fff5f5);
    }

    .birthday-card.today-special::after {
      content: 'HOJE! 🥳';
      position: absolute;
      top: 10px;
      left: 10px;
      background: var(--dv-red);
      color: white;
      font-size: 0.7rem;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 10px;
    }

    .avatar-wrapper {
      width: 90px;
      height: 90px;
      margin: 0 auto 20px;
      position: relative;
    }

    .avatar-initial {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #eee 0%, #ddd 100%);
      color: var(--dv-red);
      font-size: 2rem;
      font-weight: 800;
      border: 4px solid white;
      box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .day-badge {
      position: absolute;
      bottom: -5px;
      right: -5px;
      background: var(--dv-red);
      color: white;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.8rem;
      border: 3px solid white;
      box-shadow: 0 3px 6px rgba(0,0,0,0.1);
      line-height: 1;
    }

    .day-badge span { font-size: 0.6rem; opacity: 0.8; }

    .name {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
      text-transform: uppercase;
    }

    .message {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-style: italic;
    }

    .birthday-empty {
      grid-column: 1 / -1;
      text-align: center;
      padding: 60px;
      background: white;
      border-radius: 24px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* FOOTER */
    footer {
      background: white;
      padding: 40px 0;
      text-align: center;
      border-top: 1px solid #eee;
    }

    footer p { font-size: 0.9rem; color: var(--text-muted); }
    footer strong { color: var(--dv-red); }

    @media (max-width: 768px) {
      header h1 { font-size: 2.2rem; }
      .container { margin-top: -20px; }
    }