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

:root {
    --primary-color: #007AFF;
    --primary-hover: #0056CC;
    --secondary-color: #6C757D;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --light-color: #F8F9FA;
    --dark-color: #343A40;
    --border-color: #E9ECEF;
    --text-color: #212529;
    --text-muted: #6C757D;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-color);
    line-height: 1.6;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
    margin-bottom: 20px;
}

.header-actions {
    margin-top: 15px;
}

.header-actions .btn {
    font-size: 0.9rem;
    padding: 8px 16px;
}

/* Contenido principal */
.main-content {
    display: flex;
    gap: 30px;
    flex: 1;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--light-color);
    padding: 30px 0;
    border-right: 1px solid var(--border-color);
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0 20px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border: none;
    background: transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    text-align: left;
}

.nav-item:hover {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary-color);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow);
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
}

/* Contenido de tabs */
.content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-header {
    margin-bottom: 30px;
}

.tab-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* Formularios */
.form {
    max-width: 600px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

/* Botones */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.9rem;
}

/* Opciones de mostrar */
.show-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.show-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 500;
}

.show-btn:hover {
    border-color: var(--primary-color);
    background: rgba(0, 122, 255, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.show-btn i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Status bar */
.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.status-message {
    font-weight: 500;
}

.token-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.token-info code {
    background: var(--light-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.8rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 5px;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--light-color);
    color: var(--text-color);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .main-content {
        flex-direction: column;
        gap: 0;
    }
    
    .sidebar {
        width: 100%;
        padding: 20px;
    }
    
    .nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0;
    }
    
    .nav-item {
        white-space: nowrap;
        min-width: 120px;
    }
    
    .content {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .show-options {
        grid-template-columns: 1fr;
    }
    
    .status-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content.active {
    animation: fadeIn 0.3s ease;
}

/* Estados de éxito y error */
.success {
    color: var(--success-color);
}

.error {
    color: var(--danger-color);
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}