/**
 * Design Tokens — NeuroParse "Obsidian Premium"
 * Dark analytics theme with electric blue accents
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* ===== ПАЛИТРА ===== */

    /* Primary — electric blue */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-primary-gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --color-primary-glow: rgba(59, 130, 246, 0.25);

    /* Backgrounds */
    --color-bg-base: #060b18;
    --color-bg-dark: #0f172a;
    --color-bg-surface: #0d1424;
    --color-bg-card: #111827;
    --color-bg-elevated: #162035;
    --color-bg-input: #0a1020;
    --color-bg-hover: #0f1e35;
    --color-bg-white: #ffffff;
    --color-bg-light: #0d1424;
    --color-bg-lighter: #162035;

    /* Borders */
    --color-border: #162035;
    --color-border-subtle: #1a2744;
    --color-border-accent: rgba(59, 130, 246, 0.35);
    --color-border-strong: #243556;

    /* Text */
    --color-text-primary: #e8f0fe;
    --color-text-secondary: #7a90b8;
    --color-text-tertiary: #4a5a78;
    --color-text-white: #ffffff;
    --color-text-muted: #3a4a68;
    --color-text-accent: #60a5fa;

    /* Semantic */
    --color-success: #10b981;
    --color-success-light: #34d399;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-success-border: rgba(16, 185, 129, 0.25);
    --color-success-start: #059669;
    --color-success-end: #10b981;
    --color-success-gradient: linear-gradient(135deg, #059669, #10b981);

    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-warning-border: rgba(245, 158, 11, 0.25);
    --color-warning-start: #d97706;
    --color-warning-end: #f59e0b;
    --color-warning-gradient: linear-gradient(135deg, #d97706, #f59e0b);

    --color-danger: #ef4444;
    --color-danger-light: #f87171;
    --color-danger-bg: rgba(239, 68, 68, 0.1);
    --color-danger-border: rgba(239, 68, 68, 0.25);

    --color-info: #0ea5e9;
    --color-info-start: #0284c7;
    --color-info-end: #0ea5e9;
    --color-info-gradient: linear-gradient(135deg, #0284c7, #06b6d4);

    /* ===== ТИПОГРАФИКА ===== */
    --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --font-size-h1: 1.875rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.25rem;
    --font-size-h4: 1.1rem;
    --font-size-h5: 0.95rem;
    --font-size-body: 0.9rem;
    --font-size-small: 0.8rem;
    --font-size-tiny: 0.7rem;
    --font-size-label: 0.72rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-normal: 1.5;
    --line-height-relaxed: 1.65;
    --letter-spacing-label: 0.06em;
    --letter-spacing-tight: -0.02em;

    /* ===== РАДИУС ===== */
    --border-radius-xs: 4px;
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 20px;
    --border-radius-pill: 100px;
    --border-radius-circle: 50%;

    /* ===== SPACING ===== */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-xxl: 24px;
    --spacing-xxxl: 32px;
    --spacing-huge: 48px;

    /* ===== ТЕНИ ===== */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(59, 130, 246, 0.1);
    --shadow-blue: 0 4px 20px rgba(59, 130, 246, 0.3);
    --shadow-blue-sm: 0 2px 10px rgba(59, 130, 246, 0.2);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.04);

    /* ===== ПЕРЕХОДЫ ===== */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.35s ease;
}

/* ===== БАЗОВЫЙ СБРОС ===== */
*, *::before, *::after { box-sizing: border-box; }

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

/* ===== СКРОЛЛБАР ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-surface); }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }

/* ===== UI КОМПОНЕНТЫ ===== */

.ui-btn-primary,
.btn.ui-btn-primary {
    background: var(--color-primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-xxl);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-small);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-blue-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ui-btn-primary:hover:not(:disabled),
.btn.ui-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-blue);
    filter: brightness(1.1);
    color: white;
    text-decoration: none;
}

.ui-btn-primary:disabled,
.btn.ui-btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

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

.ui-card-hover:hover {
    transform: translateY(-2px);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-hover);
}

.ui-empty-state {
    text-align: center;
    padding: 60px var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
}

.ui-empty-state-icon {
    font-size: 3.5rem;
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: var(--spacing-xxl);
}

.ui-empty-state-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.ui-empty-state-text {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xxl);
    line-height: var(--line-height-relaxed);
}

.ui-alert {
    display: flex;
    align-items: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
}

.ui-alert-icon {
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.ui-alert-content { flex-grow: 1; }

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

.ui-form-error {
    font-size: var(--font-size-small);
    color: var(--color-danger-light);
    margin-top: var(--spacing-xs);
    display: block;
}

.ui-stats-card {
    color: var(--color-text-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
    border: 1px solid rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
}

.ui-stats-card:hover { transform: translateY(-3px); }

.ui-stats-number {
    font-size: 2.2rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--letter-spacing-tight);
}

.ui-stats-label {
    font-size: var(--font-size-small);
    opacity: 0.8;
    letter-spacing: 0.03em;
}

.ui-form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xxxl);
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    margin: 0 auto;
}

.ui-form-section {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.ui-form-section-title {
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

/* Typography utils */
.ui-h1 { font-size: var(--font-size-h1); font-weight: var(--font-weight-extrabold); letter-spacing: var(--letter-spacing-tight); }
.ui-h2 { font-size: var(--font-size-h2); font-weight: var(--font-weight-bold); }
.ui-h3 { font-size: var(--font-size-h3); font-weight: var(--font-weight-semibold); }
.ui-h4 { font-size: var(--font-size-h4); font-weight: var(--font-weight-semibold); }
.ui-h5 { font-size: var(--font-size-h5); font-weight: var(--font-weight-medium); }

/* Spacing utils */
.ui-mb-sm { margin-bottom: var(--spacing-sm); }
.ui-mb-md { margin-bottom: var(--spacing-md); }
.ui-mb-lg { margin-bottom: var(--spacing-lg); }
.ui-mb-xl { margin-bottom: var(--spacing-xl); }
.ui-mb-xxl { margin-bottom: var(--spacing-xxl); }

@media (max-width: 768px) {
    .ui-form-card { padding: var(--spacing-xxl); }
    .ui-stats-card { padding: var(--spacing-xl); }
    .ui-empty-state { padding: var(--spacing-xxxl) var(--spacing-xl); }
}