:root {
      --primary: #16273a;
      --accent: #efdc16;
      --secondary: #F3F4F6;
      --text-dark: #374151;
      --text-light: #6B7280;
      --bg-card: #FFFFFF;
      --radius: 8px;
      --shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
      --anim-duration: 0.6s;
    }
    *, *::before, *::after { box-sizing: border-box; }
    body {
      font-family: 'Roboto', sans-serif;
      background: var(--secondary);
      margin: 0;
    }
    .panels {
      display: flex;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
      margin: 0 auto 20px;
    }
    .card {
      background: var(--bg-card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 12px;
      flex: 1 1 280px;
      display: flex;
      flex-direction: column;
      align-items: center;
      border-top: 4px solid var(--accent);
      transition: transform var(--anim-duration) ease, box-shadow var(--anim-duration) ease;
      overflow: hidden;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    .card h3 {
      color: var(--primary);
      font-size: 1rem;
      margin-bottom: 8px;
      border-bottom: 2px solid var(--accent);
      padding-bottom: 4px;
      width: 100%;
      text-align: center;
    }
    .card-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 8px;
      width: 100%;
      animation: slideUp var(--anim-duration) ease;
    }
    /* Perfil */
    .profile img {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      transition: transform var(--anim-duration) ease;
    }
    .profile img:hover {
      transform: scale(1.1);
    }
    .name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-dark);
    }
    .role {
      display: flex;
      align-items: center;
      font-size: 0.75rem;
      color: var(--text-light);
    }
    .flag {
      width: 20px !important;
      height: 14px !important;
      margin-right: 6px;
      border-radius: 2px;
      transition: transform var(--anim-duration) ease;
    }
    .flag:hover {
      transform: rotate(10deg) scale(1.1);
    }
    .member-since {
      font-size: 0.75rem;
      color: var(--text-light);
    }
    /* Logros */
    .achievements-panel .card-content {
      display: flex;
      flex-direction: row;
      flex-wrap: nowrap;
      gap: 12px;
      justify-content: center;
      align-items: center;
      overflow-x: auto;
    }
    .achievements-panel .card-content .achievement {
      flex: 0 0 auto;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      box-shadow: var(--shadow);
      border: 3px solid var(--accent);
      transition: transform var(--anim-duration) ease;
    }
    .achievements-panel .card-content .achievement:hover {
      transform: rotate(10deg) scale(1.1);
    }
    /* Calendario de clases */
    .payment-icon {
      width: 40px;
      height: 40px;
      transition: transform var(--anim-duration) ease;
    }
    .payment-icon:hover {
      transform: scale(1.1) rotate(-5deg);
    }
    .calendar-link {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-decoration: none;
    }
    .payment-date {
      font-size: 1rem;
      font-weight: 700;
      color: var(--accent);
      text-align: center;
    }
    /* Calendario mensual */
    .objective-container, .test-panel-container { max-width: 900px; margin: 0 auto 20px; }
    .calendar-panel { width: 100%; }
    .calendar-panel .month-header {
      text-align: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 0.875rem;
      margin-bottom: 8px;
    }
    .calendar-panel .calendar-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 4px;
      width: 100%;
    }
    .calendar-panel .day-header, .calendar-panel .day-cell {
      text-align: center;
      font-size: 0.75rem;
      color: var(--text-dark);
    }
    .calendar-panel .day-header {
      font-weight: 700;
    }
    .calendar-panel .day-cell {
      height: 32px;
      line-height: 32px;
      background: var(--secondary);
      border-radius: 4px;
    }
    .calendar-panel .day-cell.today {
      background: var(--accent);
      color: #fff;
    }
    /* Panel de prueba */
    .test-panel {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--bg-card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 12px 16px;
      height: 60px;
      border-top: 4px solid var(--accent);
      animation: slideUp var(--anim-duration) ease;
      transition: transform var(--anim-duration) ease, box-shadow var(--anim-duration) ease;
    }
    .test-panel:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }
    .test-text {
      font-size: 1rem;
      color: var(--text-dark);
    }
    .test-button {
      background: var(--accent);
      color: var(--primary);
      border: none;
      padding: 8px 16px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 0.875rem;
      font-weight: 700;
      transition: background-color var(--anim-duration) ease, color var(--anim-duration) ease;
    }
    .test-button:hover {
      background: var(--primary);
      color: var(--bg-card);
    }
    @keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
    @media (max-width: 800px) {
      .panels, .objective-container, .test-panel-container { flex-direction: column; align-items: center; }
      .card, .calendar-panel, .test-panel { width: 100%; }
      .calendar-panel .calendar-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
    }
      .social-panel {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      max-width: 295px;
      margin: 0 auto 20px;
      background: var(--bg-card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 8px 12px;
      border-top: 4px solid var(--accent);
      animation: slideUp var(--anim-duration) ease;
      transition: transform var(--anim-duration) ease, box-shadow var(--anim-duration) ease;
    }
    .social-panel:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    .social-panel a {
      display: flex;
      align-items: center;
      gap: 6px;
      text-decoration: none;
      color: inherit;
    }
    .social-logo {
      width: 20px;
      height: 20px;
    }
    .social-text {
      font-size: 0.875rem;
      color: var(--text-dark);
      font-weight: 700;
    }
    .social-panel:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    .social-logo {
      width: 20px;
      height: 20px;
    }
    .social-text {
      font-size: 0.875rem;
      color: var(--text-dark);
      font-weight: 700;
    }
    .social-panel:hover {
      transform: translateY(-4px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    .social-logo {
      width: 20px;
      height: 20px;
    }
    .social-text {
      font-size: 0.875rem;
      color: var(--text-dark);
      font-weight: 700;
    }