/* ============================================
   LUX Finance - Theme Variables
   Finance v2.0
   ============================================ */

:root {
    /* ========== Brand Colors ========== */

    /* LUX Brand - Official Palette */
    --lux-primary: #17464A;           /* Grænn - Skógur (Forest Green) */
    --lux-primary-dark: #0f3538;
    --lux-primary-light: #1f5a5f;
    --lux-accent: #A15D1E;            /* Appelsínugulur - Hiti (Orange Heat) */
    --lux-accent-light: #E2B380;      /* Ljós Appelsínugulur (Light Orange) */
    --lux-coal: #2F2F2F;              /* Svartur - Kol (Coal Black) */
    --lux-smoke: #ECE9E3;             /* Hvítur Reykur (White Smoke) */

    /* Bright variants for dark backgrounds (WCAG AA contrast) */
    --lux-primary-bright: #2d9f93;    /* 7.5:1 on #121210 */
    --lux-primary-brightest: #4aada0; /* 8.9:1 on #121210 */
    --lux-accent-bright: #c87a3e;     /* 5.8:1 on #121210 */

    /* Legacy aliases */
    --mela-coral: var(--lux-primary-bright);
    --mela-coral-dark: var(--lux-primary-dark);
    --mela-coral-light: var(--lux-primary-brightest);
    --mela-navy: var(--lux-coal);
    --mela-navy-light: #3a3a3a;

    /* ========== Semantic Colors ========== */
    /* Brand-harmonized status colors for dark backgrounds */

    /* Success — Forest Green family */
    --success: #2d9f93;
    --success-light: #4aada0;
    --success-dark: #17464A;
    --success-bg: rgba(45, 159, 147, 0.15);

    /* Warning — Light Orange (brand color) */
    --warning: #E2B380;
    --warning-light: #ecd4b8;
    --warning-dark: #A15D1E;
    --warning-bg: rgba(226, 179, 128, 0.15);

    /* Danger — Deep burnt orange (no red in brand) */
    --danger: #A15D1E;
    --danger-light: #c4784a;
    --danger-dark: #7a3f12;
    --danger-bg: rgba(161, 93, 30, 0.15);

    /* Info — Teal variant */
    --info: #4aada0;
    --info-light: #6cc0b5;
    --info-bg: rgba(74, 173, 160, 0.15);

    /* ========== UI Colors ========== */

    /* Dark Theme — Warm coal-based (not blue-slate) */
    --bg-primary: #121210;
    --bg-secondary: #1c1b18;
    --bg-tertiary: #2a2825;
    --bg-elevated: #363330;
    --bg-card: #1c1b18;

    /* Text — White Smoke family (warm, not pure white) */
    --text-primary: #ECE9E3;
    --text-secondary: #b5b0a8;
    --text-muted: #827d75;
    --text-disabled: #5c5852;

    /* Borders — Warm */
    --border-primary: #2a2825;
    --border-secondary: #363330;
    --border-accent: var(--mela-coral);
    --border-color: #2a2825;

    /* ========== Finance-Specific Colors ========== */
    --accent-primary: #2d9f93;        /* Forest Green bright */
    --accent-success: #2d9f93;
    --accent-warning: #E2B380;
    --accent-danger: #A15D1E;
    --accent-orange: #A15D1E;
    --accent-purple: #5a5550;

    --color-revenue: #2d9f93;
    --color-profit: #4aada0;
    --color-expense: #A15D1E;
    --color-neutral: #827d75;

    /* ========== Gradients ========== */
    --gradient-brand: linear-gradient(135deg, #17464A 0%, #0f3538 100%);
    --gradient-success: linear-gradient(135deg, #17464A 0%, #2d9f93 100%);
    --gradient-danger: linear-gradient(135deg, #7a3f12 0%, #A15D1E 100%);

    /* ========== Typography ========== */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Montserrat', 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Monaco', 'Menlo', monospace;

    /* Font Sizes */
    --text-xs: 0.625rem;    /* 10px */
    --text-sm: 0.75rem;     /* 12px */
    --text-base: 0.8125rem; /* 13px */
    --text-md: 0.875rem;    /* 14px */
    --text-lg: 1rem;        /* 16px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 2rem;       /* 32px */

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* ========== Spacing ========== */
    --space-xs: 0.25rem;   /* 4px */
    --space-sm: 0.5rem;    /* 8px */
    --space-md: 0.75rem;   /* 12px */
    --space-lg: 1rem;      /* 16px */
    --space-xl: 1.5rem;    /* 24px */
    --space-2xl: 2rem;     /* 32px */
    --space-3xl: 3rem;     /* 48px */

    /* ========== Border Radius ========== */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* ========== Shadows ========== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 20px rgba(23, 70, 74, 0.5);

    /* ========== Transitions ========== */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* ========== Z-Index ========== */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;

    /* ========== Layout ========== */
    --sidebar-width: 260px;
    --sidebar-collapsed: 64px;
    --header-height: 64px;
    --panel-width: 350px;

    /* ========== Legacy Aliases (for finance.css compatibility) ========== */
    --font-family: var(--font-sans);
    --font-size-xs: var(--text-xs);
    --font-size-sm: var(--text-sm);
    --font-size-md: var(--text-md);
    --font-size-lg: var(--text-lg);
    --font-size-xl: var(--text-xl);
    --font-size-2xl: var(--text-2xl);
    --font-size-3xl: var(--text-3xl);
    --spacing-xs: var(--space-xs);
    --spacing-sm: var(--space-sm);
    --spacing-md: var(--space-md);
    --spacing-lg: var(--space-lg);
    --spacing-xl: var(--space-xl);
    --border-radius: var(--radius-md);
    --border-radius-sm: var(--radius-sm);
    --border-radius-lg: var(--radius-lg);
}

/* ========== Light Theme ========== */
[data-theme="light"] {
    /* Backgrounds — White Smoke family (warm, not blue-gray) */
    --bg-primary: #ECE9E3;
    --bg-secondary: #ffffff;
    --bg-tertiary: #E3E0D9;
    --bg-elevated: #D9D5CD;
    --bg-card: #ffffff;

    /* Text — Coal Black family */
    --text-primary: #2F2F2F;
    --text-secondary: #5a5856;
    --text-muted: #848280;
    --text-disabled: #aeacaa;

    /* Brand Colors — Original intensity for light backgrounds */
    --lux-primary-bright: #17464A;
    --lux-primary-brightest: #1f5a5f;
    --lux-accent-bright: #A15D1E;
    --mela-coral: var(--lux-primary);
    --mela-coral-dark: var(--lux-primary-dark);
    --mela-coral-light: var(--lux-primary-light);

    /* Status — Brand-harmonized for light backgrounds */
    --success: #17464A;
    --success-light: #1f5a5f;
    --success-dark: #0f3538;
    --success-bg: rgba(23, 70, 74, 0.08);

    --warning: #A15D1E;
    --warning-light: #c87a3e;
    --warning-dark: #8a4e18;
    --warning-bg: rgba(161, 93, 30, 0.08);

    --danger: #7a3f12;
    --danger-light: #A15D1E;
    --danger-dark: #5a2e0a;
    --danger-bg: rgba(122, 63, 18, 0.08);

    --info: #1f5a5f;
    --info-light: #2d9f93;
    --info-bg: rgba(31, 90, 95, 0.08);

    /* Finance — Brand accents */
    --accent-primary: #17464A;
    --accent-success: #17464A;
    --accent-warning: #A15D1E;
    --accent-danger: #7a3f12;
    --accent-orange: #A15D1E;
    --accent-purple: #848280;

    --color-revenue: #17464A;
    --color-profit: #1f5a5f;
    --color-expense: #A15D1E;
    --color-neutral: #848280;

    /* Borders — Warm neutrals */
    --border-primary: #D9D5CD;
    --border-secondary: #CCC8C0;
    --border-color: #D9D5CD;

    /* Shadows — Warm, subtle */
    --shadow-sm: 0 1px 3px rgba(47, 47, 47, 0.06);
    --shadow-md: 0 4px 8px rgba(47, 47, 47, 0.08);
    --shadow-lg: 0 10px 20px rgba(47, 47, 47, 0.1);
    --shadow-xl: 0 20px 30px rgba(47, 47, 47, 0.12);
    --shadow-glow: 0 0 20px rgba(23, 70, 74, 0.2);

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #17464A 0%, #0f3538 100%);
    --gradient-success: linear-gradient(135deg, #0f3538 0%, #17464A 100%);
    --gradient-danger: linear-gradient(135deg, #5a2e0a 0%, #7a3f12 100%);
}

/* Color scheme hint for browser */
html {
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
}

/* ========== Theme Toggle Button ========== */
.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.theme-icon {
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.theme-icon-light {
    opacity: 1;
}

.theme-icon-dark {
    position: absolute;
    opacity: 0;
}

[data-theme="light"] .theme-icon-light {
    opacity: 0;
}

[data-theme="light"] .theme-icon-dark {
    opacity: 1;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(15deg);
}

/* ========== Theme Transitions ========== */
body,
.sidebar,
.header,
.main-content,
.card,
.btn,
.modal-content,
.panel,
.nav-item,
.stats-card,
.metric-card,
.chat-input-wrapper,
.bubble,
.finance-header,
.grid-container {
    transition:
        background-color var(--transition-slow),
        border-color var(--transition-slow),
        color var(--transition-slow),
        box-shadow var(--transition-slow);
}

/* Light mode scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Light mode selection */
[data-theme="light"] ::selection {
    background: var(--mela-coral);
    color: white;
}

/* Light mode DAX code block */
[data-theme="light"] .dax-code {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

/* Light mode code blocks */
[data-theme="light"] pre,
[data-theme="light"] code {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Light mode FAQ buttons */
[data-theme="light"] .faq-btn:hover {
    background: linear-gradient(135deg, #17464A 0%, #1f5a5f 100%);
    color: #ffffff;
}

/* Light mode quick questions */
[data-theme="light"] .quick-question:hover {
    background: linear-gradient(135deg, #17464A 0%, #1f5a5f 100%);
    color: #ffffff;
}

/* Light mode question buttons (matching Agent-Live) */
[data-theme="light"] .question-btn {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--border-primary);
}

[data-theme="light"] .question-btn:hover {
    background: linear-gradient(135deg, #17464A 0%, #1f5a5f 100%);
    color: #ffffff;
    border-color: var(--mela-coral);
}

/* Light mode category name */
[data-theme="light"] .category-name {
    color: var(--mela-coral);
}

/* Light mode cards and panels */
[data-theme="light"] .card,
[data-theme="light"] .metric-card,
[data-theme="light"] .stats-card {
    background: #ffffff;
    border-color: var(--border-primary);
    box-shadow: var(--shadow-sm);
}

/* Light mode input fields */
[data-theme="light"] .input,
[data-theme="light"] input,
[data-theme="light"] textarea {
    background: #ffffff;
    border-color: var(--border-secondary);
    color: var(--text-primary);
}

[data-theme="light"] .input:focus,
[data-theme="light"] input:focus,
[data-theme="light"] textarea:focus {
    border-color: var(--mela-coral);
    box-shadow: 0 0 0 3px rgba(23, 70, 74, 0.15);
}

/* Light mode badges */
[data-theme="light"] .badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

[data-theme="light"] .badge-live {
    background: var(--success);
    color: #ffffff;
}

[data-theme="light"] .badge-model {
    background: var(--info);
    color: #ffffff;
}

/* Light mode buttons */
[data-theme="light"] .btn-ghost {
    color: var(--text-secondary);
}

[data-theme="light"] .btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Logo switching based on theme */
.logo-light {
    display: none;
}

.logo-dark {
    display: block;
}

[data-theme="light"] .logo-light {
    display: block;
}

[data-theme="light"] .logo-dark {
    display: none;
}

/* ========== Base Reset ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========== Scrollbar Styling ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-elevated);
}

/* ========== Selection ========== */
::selection {
    background: var(--mela-coral);
    color: var(--text-primary);
}

/* ========== Focus Styles ========== */
:focus-visible {
    outline: 2px solid var(--mela-coral);
    outline-offset: 2px;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: 1.25;
    color: var(--text-primary);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ========== Buttons ========== */
button {
    font-family: inherit;
    font-size: var(--text-md);
    cursor: pointer;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* ========== Inputs ========== */
input, textarea, select {
    font-family: inherit;
    font-size: var(--text-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    width: 100%;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(23, 70, 74, 0.2);
}

input::placeholder {
    color: var(--text-muted);
}

/* ========== Utility Classes ========== */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-coral { color: var(--lux-primary); }
.text-lux { color: var(--lux-primary); }
.text-lux-accent { color: var(--lux-accent); }
.text-avision { color: var(--avision-accent); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary { background: var(--bg-tertiary); }

.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

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

.hidden {
    display: none !important;
}

.positive { color: var(--success); }
.negative { color: var(--danger); }
.neutral { color: var(--text-secondary); }

/* ========== Animations ========== */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.95); }
}

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

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

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

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

.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-slide-in { animation: slideIn 0.3s ease; }
.animate-fade-in { animation: fadeIn 0.3s ease; }

/* Loading Spinner */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    color: var(--text-muted);
}

/* ========== Light Mode Element Overrides ========== */

/* Cards and panels */
[data-theme="light"] .panel,
[data-theme="light"] .card {
    background: #ffffff;
    border-color: var(--border-primary);
    box-shadow: var(--shadow-sm);
}

/* FAQ buttons */
[data-theme="light"] .faq-btn {
    background: #ffffff;
    border-color: var(--border-secondary);
    color: var(--text-secondary);
}

[data-theme="light"] .faq-btn:hover {
    background: var(--mela-coral);
    border-color: var(--mela-coral);
    color: #ffffff;
}

/* Input fields */
[data-theme="light"] input,
[data-theme="light"] textarea,
[data-theme="light"] select {
    background: #ffffff;
    border-color: var(--border-secondary);
    color: var(--text-primary);
}

[data-theme="light"] input:focus,
[data-theme="light"] textarea:focus,
[data-theme="light"] select:focus {
    border-color: var(--mela-coral);
    box-shadow: 0 0 0 3px rgba(23, 70, 74, 0.15);
}

/* Badges */
[data-theme="light"] .header-badge {
    background: var(--accent-primary);
    color: #ffffff;
}

/* Finance specific - values */
[data-theme="light"] .metric-value,
[data-theme="light"] .stat-value {
    color: var(--text-primary);
}

[data-theme="light"] .positive {
    color: var(--accent-success);
}

[data-theme="light"] .negative {
    color: var(--accent-danger);
}

/* Nav items - lighter active state */
[data-theme="light"] .nav-item.active {
    background: linear-gradient(135deg, #17464A 0%, #1f5a5f 100%);
    color: #ffffff;
}

/* Buttons */
[data-theme="light"] .btn-ghost {
    color: var(--text-secondary);
}

[data-theme="light"] .btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}