/* ========================================
   AURA PREMIUM UI SYSTEM - UNIFIED STYLING
   ======================================== */

/* CSS VARIABLES - PREMIUM LIGHT THEME */
:root {
    /* Primary Colors - Premium Light Theme */
    --bg-primary: #F6F1E7;           /* Warm Sand - Main Background */
    --bg-secondary: #FFFDF8;         /* Soft Ivory - Cards/Surfaces */
    --bg-sidebar: #F0EBE0;           /* Soft Cream - Sidebar (unified look) */
    --color-primary: #7A1E3A;        /* Burgundy Wine - Primary Action */
    --color-secondary: #2B1D1A;      /* Deep Cocoa - Text on sidebar */
    --color-secondary-bg: #F0EBE0;   /* Soft Cream - Secondary button background */
    --color-accent: #C48B7A;         /* Rose Gold - Accent/Highlights */
    --color-emerald: #2D5F4F;        /* Emerald - Active states */
    --text-primary: #1C1C1C;         /* Dark Text */
    --text-muted: #5A5A5A;           /* Muted Text */
    --border-color: #E7DDD0;         /* Soft Border */
    
    /* Semantic Colors */
    --success: #10B981;              /* Success Green */
    --danger: #EF4444;               /* Error Red */
    --warning: #F59E0B;              /* Warning Gold */
    --info: #3B82F6;                 /* Info Blue */
    
    /* Shadow System - Premium Soft Shadows */
    --shadow-sm: 0 2px 8px rgba(122, 30, 58, 0.06);
    --shadow-md: 0 4px 16px rgba(122, 30, 58, 0.08);
    --shadow-lg: 0 8px 32px rgba(122, 30, 58, 0.12);
    --shadow-xl: 0 20px 60px rgba(122, 30, 58, 0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Spacing Scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY SYSTEM
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    margin: 0 0 var(--spacing-lg) 0;
    color: var(--color-primary);
    font-weight: 700;
}

h1 {
    font-size: 42px;
    letter-spacing: -1px;
}

h2 {
    font-size: 32px;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 24px;
}

h4 {
    font-size: 18px;
}

h5 {
    font-size: 16px;
}

h6 {
    font-size: 14px;
}

p {
    margin: 0 0 var(--spacing-lg) 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
}

.text-muted {
    color: var(--text-muted);
    font-size: 14px;
}

.text-small {
    font-size: 12px;
}

.text-large {
    font-size: 18px;
}

/* ========================================
   BUTTONS & LINKS
   ======================================== */

button, .btn {
    font-family: var(--font-family);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    outline: none;
}

/* Primary Button */
.btn-primary, button.btn, button:not(.btn-secondary):not(.btn-ghost) {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover, button:not(.btn-secondary):not(.btn-ghost):hover {
    background-color: #5f1630;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active, button:not(.btn-secondary):not(.btn-ghost):active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background-color: var(--bg-secondary);
    border-color: var(--color-primary);
}

/* Danger Button */
.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
}

/* Success Button */
.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 16px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: #5f1630;
    text-decoration: underline;
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

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

label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, textarea, select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 15px;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    transition: all var(--transition-base);
    box-sizing: border-box;
}

input::placeholder, textarea::placeholder {
    color: #999;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(122, 30, 58, 0.1);
    background-color: white;
}

input:disabled, textarea:disabled, select:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.6;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237A1E3A' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: 32px;
}

/* ========================================
   CARDS & CONTAINERS
   ======================================== */

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.card-header {
    border-bottom: 1px solid var(--border-color);
    margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-lg) calc(-1 * var(--spacing-xl));
    padding: var(--spacing-lg) var(--spacing-xl);
}

.card-body {
    padding: var(--spacing-lg) 0;
}

.card-footer {
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-lg) calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl));
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   DASHBOARD LAYOUT
   ======================================== */

body.dashboard-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* SIDEBAR */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    color: var(--color-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    box-shadow: 4px 0 16px rgba(122, 30, 58, 0.06);
    z-index: 10;
    border-right: 1px solid var(--border-color);
}

.logo-area {
    padding: var(--spacing-xl);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
}

.logo span {
    color: var(--color-accent);
}

.nav-container {
    flex-grow: 1;
}

.nav-item {
    padding: var(--spacing-md) var(--spacing-xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-secondary);
    transition: all var(--transition-base);
    border-left: 4px solid transparent;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) 0;
}

.nav-item:hover {
    background: rgba(45, 95, 79, 0.08);
    color: var(--color-emerald);
    border-left: 4px solid var(--color-emerald);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(45, 95, 79, 0.15) 0%, transparent 100%);
    color: var(--color-emerald);
    border-left: 4px solid var(--color-emerald);
    font-weight: 600;
}

.sidebar-footer {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.version {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1.4;
    text-align: center;
    margin: 0;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
}

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

.main-content h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    color: var(--color-primary);
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: var(--spacing-sm);
}

/* ========================================
   KPI GRID & METRICS
   ======================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.kpi-card h3 {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.kpi-card .value {
    font-size: 32px;
    font-weight: 700;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
}

.kpi-card .unit {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.kpi-card.risk-high .value {
    color: var(--danger);
}

.kpi-card.risk-safe .value {
    color: var(--success);
}

/* ========================================
   CHARTS & VISUALIZATIONS
   ======================================== */

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.chart-container {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    height: 300px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.chart-container canvas {
    width: 100% !important;
    height: calc(100% - 30px) !important;
    max-height: 250px !important;
    display: block;
}

.chart-container:hover {
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chart-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

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

.status-badge {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-safe {
    background-color: #f0fdf4;
    color: var(--success);
    border: 1px solid #b7e4c7;
}

.status-danger {
    background-color: #fef2f2;
    color: var(--danger);
    border: 1px solid #fccf;
    animation: pulse 2s infinite;
}

.status-warning {
    background-color: #fffbeb;
    color: var(--warning);
    border: 1px solid #fde68a;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
}

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

.history-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.history-table thead {
    background-color: #f9f9f7;
    border-bottom: 1px solid var(--border-color);
}

.history-table th {
    text-align: left;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.history-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-base);
}

.history-table tbody tr:hover {
    background-color: #faf7f2;
}

.history-table td {
    padding: var(--spacing-lg);
    font-size: 14px;
    color: var(--text-primary);
}

/* ========================================
   NOTIFICATIONS & MESSAGES
   ======================================== */

/* Toast Popup */
.toast {
    position: fixed;
    right: var(--spacing-xl);
    bottom: var(--spacing-xl);
    width: 350px;
    background: white;
    border-left: 5px solid var(--danger);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transform: translateX(400px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow) cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 999999;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

/* Success Message */
.success-message {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: #f0fdf4;
    border-left: 5px solid var(--success);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn var(--transition-base) ease-out;
    z-index: 999999;
    max-width: 400px;
    color: var(--success);
    font-weight: 600;
}

.success-message.hide {
    animation: slideOut var(--transition-base) ease-out forwards;
}

/* Error Message */
.error-message {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: #fef2f2;
    border-left: 5px solid var(--danger);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn var(--transition-base) ease-out;
    z-index: 999999;
    max-width: 400px;
    color: var(--danger);
    font-weight: 600;
}

.error-message.hide {
    animation: slideOut var(--transition-base) ease-out forwards;
}

/* Error Text */
.error {
    color: var(--danger);
    font-size: 13px;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes slideDown {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Page Section Animation */
.page-section {
    display: none;
    animation: fadeIn var(--transition-base) ease forwards;
}

.page-section.active {
    display: block;
}

/* ========================================
   MODALS & OVERLAYS
   ======================================== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
    pointer-events: all;
}

.modal-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    text-align: center;
    animation: slideDown var(--transition-base) ease-out;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.modal-message {
    font-size: 16px;
    color: var(--danger);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.modal-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
}

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

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

.modal-btn-stay {
    background: #e5e7eb;
    color: #374151;
}

.modal-btn-stay:hover {
    background: #d1d5db;
}

/* Success Modal */
.success-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(122, 30, 58, 0.98);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-slow) ease;
}

.success-modal.active {
    opacity: 1;
    pointer-events: all;
}

.check-icon {
    font-size: 80px;
    color: var(--success);
    margin-bottom: var(--spacing-xl);
    transform: scale(0);
    transition: transform var(--transition-base);
}

.success-modal.active .check-icon {
    transform: scale(1);
    transition-delay: 0.2s;
}

.success-text {
    color: white;
    font-size: 24px;
    font-weight: bold;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.success-modal.active .success-text {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-2xl); }

.flex {
    display: flex;
}

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

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

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }

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

@media (max-width: 768px) {
    .chart-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sidebar {
        width: 200px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .modal-box {
        max-width: 90%;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        width: 180px;
        padding: var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .modal-buttons {
        flex-direction: column;
    }
    
    .modal-btn {
        width: 100%;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 18px;
    }
}