/* ===============================================
   PUNTOS NET - SISTEMA DE PRESUPUESTOS
   Paleta de Colores del Logo:
   - Primary Dark Blue: #30586B
   - Medium Blue: #407C94
   - Mid-tone Blue: #3A637B
   - Light Blue: #6DA6C1
   - Accent Blue: #5C88A5
   =============================================== */

:root {
    /* Colores Corporativos Puntos Net */
    --primary-dark: #30586B;
    --primary-medium: #407C94;
    --primary-mid: #3A637B;
    --primary-light: #6DA6C1;
    --primary-accent: #5C88A5;
    
    /* Colores Funcionales */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Colores de UI */
    --background: #f5f7fa;
    --surface: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --border: #dee2e6;
    --shadow: rgba(48, 88, 107, 0.1);
    
    /* Espaciados */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

/* ===============================================
   LOGIN SCREEN
   =============================================== */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 50%, var(--primary-light) 100%);
    padding: var(--spacing-md);
}

.login-container {
    background: var(--surface);
    border-radius: 12px;
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.login-container h1 {
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
    font-size: 1.75rem;
    font-weight: 600;
}

.login-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.login-form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.login-form label i {
    color: var(--primary-medium);
    margin-right: var(--spacing-xs);
}

.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-medium);
    box-shadow: 0 0 0 3px rgba(64, 124, 148, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input {
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.btn-primary {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--primary-medium), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(64, 124, 148, 0.3);
}

.btn-primary i {
    margin-right: var(--spacing-sm);
}

.error-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: #fef0f0;
    color: var(--danger);
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: center;
}

/* ===============================================
   MAIN APPLICATION LAYOUT
   =============================================== */

.main-app {
    display: grid;
    grid-template-areas:
        "header header"
        "sidebar main";
    grid-template-columns: 260px 1fr;
    grid-template-rows: 70px 1fr;
    height: 100vh;
    overflow: hidden;
}

.app-header {
    grid-area: header;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-shadow: 0 2px 4px var(--shadow);
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo {
    height: 45px;
    width: auto;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.header-center {
    flex: 1;
    max-width: 600px;
    margin: 0 var(--spacing-xl);
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 0.625rem 0.625rem 0.625rem 2.5rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-medium);
    box-shadow: 0 0 0 3px rgba(64, 124, 148, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-icon {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--background);
    color: var(--primary-medium);
}

.badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-warning {
    background: var(--warning);
    color: var(--text-primary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 0.875rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.user-menu-btn:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

.user-menu-btn i:first-child {
    font-size: 1.5rem;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    min-width: 200px;
    z-index: 1000;
}

.user-info {
    padding: var(--spacing-md);
}

.user-info strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.user-info small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 0;
}

.dropdown-item {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.dropdown-item:hover {
    background: var(--background);
    color: var(--primary-medium);
}

/* ===============================================
   SIDEBAR NAVIGATION
   =============================================== */

.sidebar {
    grid-area: sidebar;
    background: var(--surface);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: var(--spacing-md) 0;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-section h3 {
    padding: 0 var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.75rem var(--spacing-md);
    background: none;
    border: none;
    border-left: 3px solid transparent;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.nav-item i {
    width: 20px;
    text-align: center;
    color: var(--text-secondary);
}

.nav-item:hover {
    background: var(--background);
    border-left-color: var(--primary-light);
}

.nav-item:hover i {
    color: var(--primary-medium);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(64, 124, 148, 0.1) 0%, transparent 100%);
    border-left-color: var(--primary-medium);
    color: var(--primary-dark);
    font-weight: 600;
}

.nav-item.active i {
    color: var(--primary-medium);
}

/* ===============================================
   MAIN CONTENT AREA
   =============================================== */

.main-content {
    grid-area: main;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.main-content::-webkit-scrollbar {
    width: 8px;
}

.main-content::-webkit-scrollbar-track {
    background: transparent;
}

.main-content::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumbs i {
    color: var(--primary-medium);
}

.content-container {
    background: var(--surface);
    border-radius: 12px;
    padding: var(--spacing-xl);
    box-shadow: 0 2px 8px var(--shadow);
}

/* ===============================================
   FORMS & INPUTS
   =============================================== */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group label.required::after {
    content: " *";
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.625rem;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-medium);
    box-shadow: 0 0 0 3px rgba(64, 124, 148, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: var(--background);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-help {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: var(--spacing-xs);
}

/* ===============================================
   BUTTONS
   =============================================== */

.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn i {
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow);
}

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

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

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

.btn-success:hover {
    background: #218838;
}

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

.btn-danger:hover {
    background: #c82333;
}

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

.btn-warning:hover {
    background: #e0a800;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-medium);
    color: var(--primary-medium);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===============================================
   TABLES
   =============================================== */

.table-container {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    background: var(--background);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: var(--background);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.table-actions button {
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
}

/* ===============================================
   CARDS
   =============================================== */

.card {
    background: var(--surface);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 4px var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title i {
    color: var(--primary-medium);
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

/* ===============================================
   STATUS BADGES
   =============================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    gap: var(--spacing-xs);
}

.status-badge i {
    font-size: 0.7rem;
}

.status-borrador {
    background: #e3f2fd;
    color: #1976d2;
}

.status-pendiente {
    background: #fff3e0;
    color: #f57c00;
}

.status-autorizado {
    background: #e8f5e9;
    color: #388e3c;
}

.status-rechazado {
    background: #ffebee;
    color: #d32f2f;
}

.status-cerrado {
    background: #f5f5f5;
    color: #616161;
}

.status-activo {
    background: #e8f5e9;
    color: #388e3c;
}

.status-inactivo {
    background: #f5f5f5;
    color: #616161;
}

/* ===============================================
   DASHBOARD KPIs
   =============================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background: var(--surface);
    border-radius: 10px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
    border-left: 4px solid var(--primary-medium);
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow);
}

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.kpi-icon.blue {
    background: rgba(64, 124, 148, 0.1);
    color: var(--primary-medium);
}

.kpi-icon.green {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.kpi-icon.yellow {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.kpi-icon.red {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.kpi-trend {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.kpi-trend.positive {
    color: var(--success);
}

.kpi-trend.negative {
    color: var(--danger);
}

/* ===============================================
   CHARTS
   =============================================== */

.chart-container {
    background: var(--surface);
    border-radius: 10px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.chart-header {
    margin-bottom: var(--spacing-lg);
}

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

.chart-wrapper {
    position: relative;
    height: 350px;
}

/* ===============================================
   NOTIFICATIONS PANEL
   =============================================== */

.notifications-panel {
    position: fixed;
    top: 70px;
    right: 0;
    width: 400px;
    height: calc(100vh - 70px);
    background: var(--surface);
    border-left: 1px solid var(--border);
    box-shadow: -4px 0 12px var(--shadow);
    z-index: 999;
    display: flex;
    flex-direction: column;
}

.notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.notifications-header h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notifications-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.notification-item {
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    background: var(--background);
    cursor: pointer;
    transition: var(--transition);
}

.notification-item:hover {
    background: var(--primary-light);
    color: white;
}

.notification-item.unread {
    background: rgba(64, 124, 148, 0.1);
    border-left: 3px solid var(--primary-medium);
}

.notification-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.notification-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ===============================================
   TOAST NOTIFICATIONS
   =============================================== */

.toast-container {
    position: fixed;
    top: 90px;
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    min-width: 300px;
    background: var(--surface);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 12px var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.toast.error .toast-icon {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.toast.warning .toast-icon {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.toast.info .toast-icon {
    background: rgba(64, 124, 148, 0.1);
    color: var(--primary-medium);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===============================================
   MODALS
   =============================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--surface);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ===============================================
   PAGINATION
   =============================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.pagination button {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    background: var(--primary-medium);
    color: white;
    border-color: var(--primary-medium);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination button.active {
    background: var(--primary-medium);
    color: white;
    border-color: var(--primary-medium);
}

/* ===============================================
   FILTERS
   =============================================== */

.filters-container {
    background: var(--background);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.filters-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* ===============================================
   TABS
   =============================================== */

.tabs-container {
    margin-bottom: var(--spacing-lg);
}

.tabs-nav {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border);
    margin-bottom: var(--spacing-lg);
}

.tab-button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    bottom: -2px;
}

.tab-button:hover {
    color: var(--primary-medium);
}

.tab-button.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-medium);
}

.tab-content {
    display: none;
}

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

/* ===============================================
   STEPS WIZARD
   =============================================== */

.steps-wizard {
    margin-bottom: var(--spacing-xl);
}

.steps-nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.steps-nav::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border);
    z-index: 0;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.step-item.active .step-number {
    background: var(--primary-medium);
    border-color: var(--primary-medium);
    color: white;
}

.step-item.completed .step-number {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

.step-item.active .step-label {
    color: var(--primary-dark);
    font-weight: 600;
}

.step-content {
    display: none;
}

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

.step-actions {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

/* ===============================================
   BUDGET TABLES
   =============================================== */

.budget-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-xl);
    font-size: 0.85rem;
}

.budget-table th {
    background: var(--primary-dark);
    color: white;
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.budget-table td {
    padding: var(--spacing-xs);
    border: 1px solid var(--border);
    text-align: center;
}

.budget-table .row-header {
    background: var(--background);
    font-weight: 600;
    text-align: left;
    padding-left: var(--spacing-md);
}

.budget-table .total-row {
    background: var(--primary-light);
    color: white;
    font-weight: 700;
}

.budget-table input {
    width: 100%;
    padding: 0.375rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: right;
    font-size: 0.85rem;
}

.budget-table input:focus {
    outline: none;
    border-color: var(--primary-medium);
}

.budget-summary {
    background: var(--background);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
}

.summary-row:last-child {
    border-bottom: none;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-dark);
    padding-top: var(--spacing-md);
}

/* ===============================================
   ALERTS
   =============================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #d39e00;
    border: 1px solid var(--warning);
}

.alert-info {
    background: rgba(64, 124, 148, 0.1);
    color: var(--primary-dark);
    border: 1px solid var(--primary-medium);
}

/* ===============================================
   EMPTY STATES
   =============================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.empty-icon {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

@media (max-width: 1024px) {
    .main-app {
        grid-template-columns: 220px 1fr;
    }
    
    .header-title {
        font-size: 1rem;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-app {
        grid-template-areas:
            "header"
            "main";
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: fixed;
        left: -260px;
        top: 70px;
        height: calc(100vh - 70px);
        width: 260px;
        z-index: 999;
        transition: var(--transition);
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .header-center {
        display: none;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .notifications-panel {
        width: 100%;
    }
    
    .modal {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .content-container {
        padding: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}

/* ===============================================
   UTILITIES
   =============================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-medium); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-secondary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.loading {
    opacity: 0.5;
    pointer-events: none;
}

.spinner {
    border: 3px solid var(--border);
    border-top-color: var(--primary-medium);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-xl) auto;
}

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