/* Reset y variables CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores corporativos Alianza Team */
    --primary-color: #008752;
    --secondary-color: #006b42;
    --accent-color: #FFC423;
    --success-color: #7AC142;
    --error-color: #ef4444;
    --warning-color: #FFC423;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    /* Colores adicionales corporativos */
    --alianza-green: #008752;
    --alianza-light-green: #7AC142;
    --alianza-yellow: #FFC423;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--alianza-green) 0%, var(--alianza-light-green) 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

/* Pantallas */
.screen {
    display: none !important;
    min-height: 100vh;
    position: relative;
    width: 100%;
}

.screen.active {
    display: block !important;
}

/* Asegurar que solo una pantalla esté visible */
#loginScreen:not(.active) {
    display: none !important;
}

#mainScreen:not(.active) {
    display: none !important;
}

/* Pantalla de Login */
#loginScreen.active {
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-header {
    margin-bottom: 2rem;
}

.login-header .logo {
    width: 120px;
    height: auto;
    margin-bottom: 1rem;
}

.challenge-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.challenge-status.active {
    background: rgba(122, 193, 66, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.challenge-status.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.challenge-status.checking {
    background: rgba(255, 196, 35, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.refresh-status-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.5rem;
    display: none; /* Oculto por defecto */
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.refresh-status-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.login-header i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.login-form {
    text-align: left;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 40px 12px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group i {
    position: absolute;
    right: 12px;
    top: 38px;
    color: var(--text-secondary);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    background: var(--secondary-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 1rem;
    text-align: center;
}

/* Pantalla Principal */
.main-header {
    background: var(--bg-primary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo {
    width: 80px;
    height: auto;
}

.header-content h1 {
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logout-btn {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.logout-btn:hover {
    background: #dc2626;
}

.admin-btn {
    background: var(--accent-color);
    color: var(--text-primary);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.admin-btn:hover {
    background: #e6b800;
}

/* Panel de Administración */
.admin-section {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.admin-section h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-controls {
    display: grid;
    gap: 1rem;
}

.status-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.status-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.status-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.control-buttons {
    display: flex;
    gap: 1rem;
}

.start-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.start-btn:hover {
    background: #059669;
}

.stop-btn {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.stop-btn:hover {
    background: #dc2626;
}

.reset-btn {
    background: #f59e0b;
    color: white;
}

.reset-btn:hover {
    background: #d97706;
}

.sync-btn {
    background: #6366f1;
    color: white;
}

.sync-btn:hover {
    background: #4f46e5;
}

.results-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.export-btn, .refresh-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.export-btn:hover, .refresh-btn:hover {
    background: var(--secondary-color);
}

.results-table {
    overflow-x: auto;
}

.results-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
}

.results-table th,
.results-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.results-table td {
    color: var(--text-secondary);
}

.results-table tr:hover {
    background: var(--bg-secondary);
}

.results-table .top-participant {
    background: linear-gradient(90deg, var(--alianza-yellow), rgba(255, 196, 35, 0.1));
    font-weight: 600;
}

.results-table .top-participant:hover {
    background: linear-gradient(90deg, var(--alianza-yellow), rgba(255, 196, 35, 0.2));
}

/* Estilos para Teléfono Roto */
.group-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.group-card h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.group-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.group-card li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
}

.group-points {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.group-points label {
    min-width: 100px;
    font-weight: 500;
    color: var(--text-primary);
}

.group-points input {
    flex: 1;
    padding: 8px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.group-points input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.assign-points-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
    width: 100%;
    justify-content: center;
}

.assign-points-btn:hover {
    background: #059669;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Estadísticas */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card i {
    font-size: 2rem;
    color: var(--accent-color);
}

.stat-card h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Retos */
.challenges-container h2 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.challenge-card {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.challenge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.challenge-header {
    padding: 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.challenge-type {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.challenge-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.challenge-body {
    padding: 1rem;
}

.challenge-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.challenge-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.challenge-points {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.challenge-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.challenge-btn.pending {
    background: var(--primary-color);
    color: white;
}

.challenge-btn.pending:hover {
    background: var(--secondary-color);
}

.challenge-btn.completed {
    background: var(--success-color);
    color: white;
    cursor: default;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

.complete-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease;
}

.complete-btn:hover {
    background: #059669;
}

.complete-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

/* Formularios en modal */
.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-field textarea {
    resize: vertical;
    min-height: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .header-content h1 {
        font-size: 1.2rem;
    }

    .main-content {
        padding: 1rem;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .challenges-grid {
        grid-template-columns: 1fr;
    }

    .login-container {
        padding: 1.5rem;
    }

    .modal-content {
        margin: 10px;
    }

    .challenge-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .challenge-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .login-header h1 {
        font-size: 1.5rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-card i {
        font-size: 1.5rem;
    }

    .stat-card h3 {
        font-size: 1.5rem;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.challenge-card {
    animation: fadeIn 0.5s ease-out;
}

.modal-content {
    animation: fadeIn 0.3s ease-out;
}

/* Estados de carga */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}