/* ============================================
   COMPONENTES - Botones, Cards, Modals
   ============================================ */

/* Botones Base */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

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

.btn-danger {
    background: var(--danger-color);
    color: white;
}

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

/* Botones del Header */
.add-link-btn-header,
.logout-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.add-link-btn-header {
    background: var(--success-color);
    color: white;
}

.add-link-btn-header:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.logout-btn {
    background: var(--danger-color);
    color: white;
}

.logout-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Cards */
.card {
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    position: relative;
    overflow: visible;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-overlay-hover);
}

.card:hover::before {
    opacity: 1;
}

.card-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    text-align: center;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, filter 0.3s ease;
    position: relative;
}

.card-icon:hover {
    transform: scale(1.35);
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.45));
    z-index: 10;
}

.card-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.card-icon:hover img {
    transform: none;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card-url {
    display: none;
}

/* Botones de Acción en Cards */
.card-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.admin-mode .card:hover .card-actions {
    opacity: 1;
}

.action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.edit-btn {
    background: var(--warning-color);
    color: white;
}

.edit-btn:hover {
    background: #d97706;
    transform: scale(1.05);
}

.delete-btn {
    background: var(--danger-color);
    color: white;
}

.delete-btn:hover {
    background: #dc2626;
    transform: scale(1.05);
}

.admin-mode .card {
    cursor: default;
}

.admin-mode .card:hover {
    transform: translateY(-5px);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95), rgba(118, 75, 162, 0.95));
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* Formularios */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: white;
    font-size: 0.9rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.form-select {
    cursor: pointer;
}

.form-select option {
    background: var(--primary-color);
    color: white;
}

.form-buttons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 25px;
}

/* Tablas */
table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
}

thead {
    background: rgba(255, 255, 255, 0.1);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: white;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

td {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Checkboxes */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}