/**
 * Design tokens — «Новая админка»
 * Подключить первым: <link rel="stylesheet" href="/css/tokens.css" />
 * Тёмная тема: <html class="theme-dark"> или <html data-theme="dark">
 */

/* ========== SPACING (сетка 4px) ========== */
:root {
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  --container-max: 1280px;
  --container-padding: 24px;
  --container-padding-sm: 16px;
}

/* ========== TYPOGRAPHY ========== */
:root {
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Consolas", monospace;

  --text-display: 2rem;      /* 32px — H1 */
  --text-h2: 1.5rem;        /* 24px */
  --text-h3: 1.25rem;       /* 20px */
  --text-body-l: 1.125rem;  /* 18px */
  --text-body-m: 1rem;      /* 16px — default */
  --text-body-s: 0.875rem;  /* 14px */
  --text-caption: 0.8125rem;/* 13px */
  --text-label: 0.75rem;    /* 12px */

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.4;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
}

/* ========== RADIUS ========== */
:root {
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 9999px;
}

/* ========== SHADOWS ========== */
:root {
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

/* ========== LIGHT THEME — Colors ========== */
:root {
  /* Backgrounds */
  --color-bg-base: #f5f5f7;
  --color-bg-surface: #ffffff;
  --color-bg-surface-raised: #ffffff;
  --color-bg-overlay: rgba(0, 0, 0, 0.4);

  /* Borders */
  --color-border-default: #d4d4d8;
  --color-border-subtle: #e4e4e7;

  /* Text */
  --color-text-primary: #18181b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #71717a;
  --color-text-inverse: #ffffff;
  --color-text-link: #2563eb;
  --color-text-link-hover: #1d4ed8;
  --color-text-error: #b91c1c;
  --color-text-success: #15803d;

  /* Icons */
  --color-icon-default: #52525b;
  --color-icon-disabled: #a1a1aa;

  /* Accent (primary actions, links, active states) */
  --color-accent-primary: #2563eb;
  --color-accent-primary-hover: #1d4ed8;
  --color-accent-primary-active: #1e40af;

  /* Semantic */
  --color-semantic-success: #16a34a;
  --color-semantic-success-bg: #dcfce7;
  --color-semantic-warning: #ca8a04;
  --color-semantic-warning-bg: #fef9c3;
  --color-semantic-error: #dc2626;
  --color-semantic-error-bg: #fee2e2;
  --color-semantic-info: #0284c7;
  --color-semantic-info-bg: #e0f2fe;

  /* Interactive */
  --color-focus-ring: #2563eb;
  --color-row-hover: rgba(0, 0, 0, 0.02);
  --color-row-selected: rgba(37, 99, 235, 0.06);

  /* Skeleton */
  --color-skeleton: #e4e4e7;
  --color-skeleton-shine: rgba(255, 255, 255, 0.5);

  /* Component sizes (density) */
  --input-height-sm: 36px;
  --input-height-md: 40px;
  --button-height-sm: 32px;
  --button-height-md: 40px;
  --button-height-lg: 48px;
  --table-row-height: 48px;
  --table-row-height-compact: 40px;
}

/* ========== DARK THEME ========== */
html.theme-dark,
html[data-theme="dark"] {
  --color-bg-base: #18181b;
  --color-bg-surface: #27272a;
  --color-bg-surface-raised: #3f3f46;
  --color-bg-overlay: rgba(0, 0, 0, 0.6);

  --color-border-default: #3f3f46;
  --color-border-subtle: #27272a;

  --color-text-primary: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;
  --color-text-inverse: #18181b;
  --color-text-link: #60a5fa;
  --color-text-link-hover: #93c5fd;
  --color-text-error: #f87171;
  --color-text-success: #4ade80;

  --color-icon-default: #a1a1aa;
  --color-icon-disabled: #52525b;

  --color-accent-primary: #3b82f6;
  --color-accent-primary-hover: #60a5fa;
  --color-accent-primary-active: #93c5fd;

  --color-semantic-success: #22c55e;
  --color-semantic-success-bg: #14532d;
  --color-semantic-warning: #eab308;
  --color-semantic-warning-bg: #422006;
  --color-semantic-error: #ef4444;
  --color-semantic-error-bg: #450a0a;
  --color-semantic-info: #0ea5e9;
  --color-semantic-info-bg: #0c4a6e;

  --color-focus-ring: #60a5fa;
  --color-row-hover: rgba(255, 255, 255, 0.04);
  --color-row-selected: rgba(59, 130, 246, 0.12);

  --color-skeleton: #3f3f46;
  --color-skeleton-shine: rgba(255, 255, 255, 0.06);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
}

/* ========== UTILITY CLASSES (опционально) ========== */
/* Базовые применения токенов для быстрой верстки без своих классов */

.adm-container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

@media (max-width: 767px) {
  .adm-container {
    padding-left: var(--container-padding-sm);
    padding-right: var(--container-padding-sm);
  }
}

.adm-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}

.adm-focus-ring:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* Типографика */
.adm-text-display { font-size: var(--text-display); font-weight: var(--font-weight-semibold); line-height: var(--leading-tight); color: var(--color-text-primary); }
.adm-text-h2 { font-size: var(--text-h2); font-weight: var(--font-weight-semibold); line-height: var(--leading-tight); color: var(--color-text-primary); }
.adm-text-h3 { font-size: var(--text-h3); font-weight: var(--font-weight-semibold); line-height: var(--leading-tight); color: var(--color-text-primary); }
.adm-text-body { font-size: var(--text-body-m); line-height: var(--leading-normal); color: var(--color-text-primary); }
.adm-text-secondary { color: var(--color-text-secondary); }
.adm-text-caption { font-size: var(--text-caption); line-height: var(--leading-relaxed); color: var(--color-text-secondary); }
.adm-text-label { font-size: var(--text-label); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); }
