/* ==========================================================================
   FOOD TECH PORTAL - BASE THEME ENGINE
   Palette: Forest Mint (#3C8C7A) & Warm Peach / Coral (#FFD2BF / #FFB7A7)
   ========================================================================== */

/* 1. Default Fallback & Shared Color Tokens */
:root {
  /* Brand Constants */
  --color-mint-500: #3C8C7A;
  --color-mint-600: #2F7062;
  --color-mint-400: #4CA893;

  --color-peach-100: #FFF3EC;
  --color-peach-300: #FFD2BF;
  --color-coral-400: #FFB7A7;
  --color-coral-600: #E06C53;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Radius & Transitions */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 0.15s ease-in-out;
  --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Light Theme Specification (Default) */
:root,
[data-theme="light"],
.theme-light {
  /* Surface & Background Colors */
  --bg-app: #FFF7F2;               /* Cream White */
  --bg-subtle: #F8FAFC;            /* Crisp Light Gray */
  --bg-surface: #FFFFFF;           /* Pure White */
  --bg-surface-hover: #F1F5F9;

  /* Text & Typography Colors */
  --text-main: #1E293B;            /* High Contrast Slate */
  --text-muted: #64748B;           /* Medium Muted Slate */
  --text-inverse: #FFFFFF;

  /* Brand Semantic Bindings */
  --brand-primary: var(--color-mint-500);
  --brand-primary-hover: var(--color-mint-600);
  --brand-primary-light: #EBF5F3;

  --brand-secondary: var(--color-peach-300);
  --brand-alert: var(--color-coral-400);
  --brand-alert-bg: #FFF1EE;
  --brand-alert-text: #9A2C18;

  /* Border & Divider Colors */
  --border-color: #E2E8F0;
  --border-color-subtle: #F1F5F9;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(60, 140, 122, 0.05);
  --shadow-md: 0 4px 12px rgba(30, 41, 59, 0.05);
  --shadow-lg: 0 10px 25px rgba(30, 41, 59, 0.08);

  /* Table Specifics */
  --table-header-bg: #F8FAFC;
  --table-row-hover: #FAF7F5;

  /* SamaFood additions: strong surface for page banners / sidebar accents */
  --surface-strong: var(--color-mint-600);
  --surface-strong-text: #FFFFFF;
  color-scheme: light;
}

/* 3. Dark Theme Specification */
[data-theme="dark"],
.theme-dark {
  /* Surface & Background Colors */
  --bg-app: #101716;               /* Deep Mineral Green-Black */
  --bg-subtle: #172220;            /* Slightly lighter panel tone */
  --bg-surface: #1E2D2A;           /* Card / Container surface */
  --bg-surface-hover: #273A36;

  /* Text & Typography Colors */
  --text-main: #F1F5F9;            /* High Contrast Off-White */
  --text-muted: #94A3B8;           /* Soft Slate Gray */
  --text-inverse: #0F172A;

  /* Brand Semantic Bindings */
  --brand-primary: #4CA893;        /* Slightly lighter mint for dark mode visibility */
  --brand-primary-hover: #5EC4AC;
  --brand-primary-light: #183831;

  --brand-secondary: #FFB7A7;
  --brand-alert: rgba(255, 183, 167, 0.15);
  --brand-alert-bg: rgba(224, 108, 83, 0.15);
  --brand-alert-text: #FFC3B7;

  /* Border & Divider Colors */
  --border-color: #2D423E;
  --border-color-subtle: #21322F;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);

  /* Table Specifics */
  --table-header-bg: #172220;
  --table-row-hover: #243532;

  --surface-strong: #172220;
  --surface-strong-text: #F1F5F9;
  color-scheme: dark;
}

/* 4. Automatic Preference Detection (Fallback if no explicit class added) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-app: #101716;
    --bg-subtle: #172220;
    --bg-surface: #1E2D2A;
    --bg-surface-hover: #273A36;
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    --text-inverse: #0F172A;
    --brand-primary: #4CA893;
    --brand-primary-hover: #5EC4AC;
    --brand-primary-light: #183831;
    --brand-secondary: #FFB7A7;
    --brand-alert: rgba(255, 183, 167, 0.15);
    --brand-alert-bg: rgba(224, 108, 83, 0.15);
    --brand-alert-text: #FFC3B7;
    --border-color: #2D423E;
    --border-color-subtle: #21322F;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --table-header-bg: #172220;
    --table-row-hover: #243532;
    --surface-strong: #172220;
    --surface-strong-text: #F1F5F9;
    color-scheme: dark;
  }
}

/* ==========================================================================
   5. Legacy page tokens → theme tokens
   Individual pages were written against --clr-*; they now resolve to the theme,
   so every screen follows the selected light / dark mode.
   ========================================================================== */
:root {
  --clr-dark: var(--text-main);
  --clr-primary: var(--brand-primary);
  --clr-light-green: var(--color-mint-400);
  --clr-bg: var(--brand-primary-light);
  --clr-amber: var(--brand-secondary);
  --clr-red: var(--color-coral-600);
  /* Text on the peach accent is always dark, in both themes */
  --on-accent: #1E293B;
}

/* ==========================================================================
   6. Global element & Bootstrap 5.1 component theming
   ========================================================================== */
html, body {
  background: var(--bg-app) !important;
  color: var(--text-main);
  font-family: var(--font-sans);
}
body { transition: background-color var(--transition-smooth), color var(--transition-smooth); }
a { color: var(--brand-primary); }
a:hover { color: var(--brand-primary-hover); }
code, pre, kbd { font-family: var(--font-mono); color: var(--brand-primary-hover); }
hr { border-color: var(--border-color); opacity: 1; }
.text-muted, .text-secondary { color: var(--text-muted) !important; }
.text-dark { color: var(--text-main) !important; }
.bg-white, .bg-light { background-color: var(--bg-surface) !important; }

/* Cards / surfaces */
.card, .modal-content, .dropdown-menu, .list-group-item, .offcanvas, .popover, .toast {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}
.card-header, .card-footer, .modal-header, .modal-footer { border-color: var(--border-color); }
.dropdown-item { color: var(--text-main); }
.dropdown-item:hover, .dropdown-item:focus { background-color: var(--bg-surface-hover); color: var(--text-main); }
.dropdown-divider { border-color: var(--border-color); }

/* Forms */
.form-control, .form-select, .input-group-text {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}
.form-control::placeholder { color: var(--text-muted); opacity: .8; }
.form-control:focus, .form-select:focus {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--brand-primary) 25%, transparent);
}
.form-control:disabled, .form-control[readonly], .form-select:disabled { background-color: var(--bg-subtle); color: var(--text-muted); }
.input-group-text { background-color: var(--bg-subtle); }
.form-check-input { background-color: var(--bg-surface); border-color: var(--border-color); }
.form-check-input:checked { background-color: var(--brand-primary); border-color: var(--brand-primary); }
.form-label, label { color: inherit; }

/* Buttons */
.btn-primary {
  background-color: var(--brand-primary); border-color: var(--brand-primary); color: #fff;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--brand-primary-hover); border-color: var(--brand-primary-hover); color: #fff;
}
.btn-outline-primary { color: var(--brand-primary); border-color: var(--brand-primary); }
.btn-outline-primary:hover, .btn-outline-primary.active { background-color: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }
.btn-outline-secondary { color: var(--text-muted); border-color: var(--border-color); }
.btn-outline-secondary:hover { background-color: var(--bg-surface-hover); color: var(--text-main); border-color: var(--border-color); }
.btn-secondary { background-color: var(--bg-surface-hover); border-color: var(--border-color); color: var(--text-main); }
.btn-danger, .btn-outline-danger:hover { background-color: var(--color-coral-600); border-color: var(--color-coral-600); color: #fff; }
.btn-outline-danger { color: var(--color-coral-600); border-color: var(--color-coral-600); }

/* Tables */
.table { color: var(--text-main); --bs-table-bg: transparent; --bs-table-hover-bg: var(--table-row-hover); border-color: var(--border-color); }
.table > thead, .table thead th { background-color: var(--table-header-bg); color: var(--text-muted); }
.table-hover > tbody > tr:hover > * { background-color: var(--table-row-hover); color: var(--text-main); }
table td, table th { border-color: var(--border-color-subtle) !important; }

/* Alerts & badges */
.alert-success { background-color: var(--brand-primary-light); color: var(--brand-primary-hover); border-color: transparent; }
.alert-danger, .alert-warning { background-color: var(--brand-alert-bg); color: var(--brand-alert-text); border-color: transparent; }
.alert-info { background-color: var(--bg-subtle); color: var(--text-main); border-color: var(--border-color); }
.bg-secondary { background-color: var(--text-muted) !important; }
.breadcrumb-item.active, .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }

/* Toastr (notifications) keep brand colours */
#toast-container > .toast-success { background-color: var(--color-mint-500); }
#toast-container > .toast-error { background-color: var(--color-coral-600); }

/* Dark-mode fix-ups for controls with baked-in light artwork */
[data-theme="dark"] .btn-close { filter: invert(1) grayscale(100%) brightness(200%); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-close { filter: invert(1) grayscale(100%) brightness(200%); } }
[data-theme="dark"] input[type="date"], [data-theme="dark"] input[type="time"] { color-scheme: dark; }

/* Scrollbars */
* { scrollbar-color: var(--border-color) transparent; }

/* ==========================================================================
   7. Theme switcher
   ========================================================================== */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border-color); background: var(--bg-surface); color: var(--text-main);
  cursor: pointer; transition: background var(--transition-fast), transform var(--transition-fast);
}
.theme-toggle:hover { background: var(--bg-surface-hover); transform: rotate(-12deg); }
[data-theme-choice].active { background-color: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }

/* ==========================================================================
   8. PASTEL GARDEN PALETTE  (html[data-palette="pastel"])
   Exact Swatch Mapping: #C75F71, #F0B8B8, #A2AE9D, #54463A
   Selected with the palette switcher; works with light / dark / system modes.
   ========================================================================== */

[data-palette="pastel"] {
  /* Core Swatch Tokens */
  --pastel-rose: #C75F71;
  --pastel-pink: #F0B8B8;
  --pastel-sage: #A2AE9D;
  --pastel-espresso: #54463A;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Shared brand constants re-pointed so legacy page tokens follow the palette */
  --color-mint-500: #A2AE9D;
  --color-mint-600: #8B9886;
  --color-mint-400: #A2AE9D;
  --color-coral-400: #F0B8B8;
  --color-coral-600: #C75F71;
  --color-peach-300: #F0B8B8;
}

/* 1. Bright (Light) Mode */
[data-palette="pastel"],
[data-palette="pastel"][data-theme="light"] {
  /* Surfaces */
  --bg-app: #FDF9F8;              /* Warm Tinted Soft White */
  --bg-subtle: #F6ECE9;           /* Soft Pink-Cream Tint */
  --bg-surface: #FFFFFF;          /* Pure White Containers */
  --bg-surface-hover: #F2E8E5;

  /* Text & Typography */
  --text-main: #332B24;           /* Deep Cocoa (Softer than pure black) */
  --text-muted: #75685E;          /* Muted Taupe */
  --text-inverse: #FFFFFF;

  /* Brand Accents */
  --brand-primary: #A2AE9D;       /* Sage Green Primary Actions */
  --brand-primary-hover: #8B9886;
  --brand-primary-light: #EBF0E9;

  --brand-secondary: #C75F71;     /* Dusty Rose Accent / Primary Badges */
  --brand-alert: #C75F71;
  --brand-alert-bg: #FDECEF;      /* Soft Rose Tint */
  --brand-alert-text: #9B394A;

  /* Borders & Dividers */
  --border-color: #EADBD7;
  --border-color-subtle: #F3EAE7;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(84, 70, 58, 0.05);
  --shadow-md: 0 4px 14px rgba(84, 70, 58, 0.08);
  --shadow-lg: 0 10px 28px rgba(84, 70, 58, 0.12);

  /* Table Specifics */
  --table-header-bg: #F8EFEA;
  --table-row-hover: #FAF2EF;

  /* SamaFood additions */
  --surface-strong: #54463A;      /* Espresso page banners */
  --surface-strong-text: #FFFFFF;
  --on-accent: #FFFFFF;           /* text on the dusty-rose accent */
  color-scheme: light;
}

/* 2. Dark Mode */
[data-palette="pastel"][data-theme="dark"] {
  /* Surfaces */
  --bg-app: #1D1815;              /* Deep Dark Espresso Base */
  --bg-subtle: #29221E;           /* Slightly Lighter Panel */
  --bg-surface: #362D28;          /* Container Surface (Rich Dark Espresso) */
  --bg-surface-hover: #453A34;

  /* Text & Typography */
  --text-main: #FDF9F8;           /* Cream White Text */
  --text-muted: #C5B9B0;          /* Soft Warm Gray */
  --text-inverse: #1D1815;

  /* Brand Accents */
  --brand-primary: #B5C1B0;       /* Lighter Sage Green for high contrast on dark */
  --brand-primary-hover: #C8D3C4;
  --brand-primary-light: #2B3529;

  --brand-secondary: #F0B8B8;     /* Soft Pastel Pink Accent */
  --brand-alert: #F0B8B8;
  --brand-alert-bg: rgba(199, 95, 113, 0.22);
  --brand-alert-text: #FFD4DC;

  /* Borders & Dividers */
  --border-color: #4C4039;
  --border-color-subtle: #3D332D;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);

  /* Table Specifics */
  --table-header-bg: #29221E;
  --table-row-hover: #40352F;

  --surface-strong: #29221E;
  --surface-strong-text: #FDF9F8;
  --on-accent: #332B24;           /* dark text on the pastel-pink accent */
  color-scheme: dark;
}

/* 3. System preference (no explicit mode chosen) */
@media (prefers-color-scheme: dark) {
  :root[data-palette="pastel"]:not([data-theme="light"]) {
    --bg-app: #1D1815;
    --bg-subtle: #29221E;
    --bg-surface: #362D28;
    --bg-surface-hover: #453A34;
    --text-main: #FDF9F8;
    --text-muted: #C5B9B0;
    --text-inverse: #1D1815;
    --brand-primary: #B5C1B0;
    --brand-primary-hover: #C8D3C4;
    --brand-primary-light: #2B3529;
    --brand-secondary: #F0B8B8;
    --brand-alert: #F0B8B8;
    --brand-alert-bg: rgba(199, 95, 113, 0.22);
    --brand-alert-text: #FFD4DC;
    --border-color: #4C4039;
    --border-color-subtle: #3D332D;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --table-header-bg: #29221E;
    --table-row-hover: #40352F;
    --surface-strong: #29221E;
    --surface-strong-text: #FDF9F8;
    --on-accent: #332B24;
    color-scheme: dark;
  }
}

/* Sage is a light colour: use deep cocoa text on sage buttons for legibility. */
[data-palette="pastel"] .btn-primary,
[data-palette="pastel"] .btn-primary:hover,
[data-palette="pastel"] .btn-outline-primary:hover,
[data-palette="pastel"] .btn-outline-primary.active,
[data-palette="pastel"] [data-theme-choice].active,
[data-palette="pastel"] [data-palette-choice].active { color: #332B24; }

/* Palette picker swatches */
.palette-swatch { display: inline-flex; gap: 3px; margin-right: 6px; vertical-align: middle; }
.palette-swatch i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; border: 1px solid rgba(0,0,0,.1); }
[data-palette-choice].active { background-color: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }

/* Print always uses the light palette */
@media print {
  :root, [data-theme] {
    --bg-app: #fff; --bg-surface: #fff; --bg-subtle: #f8fafc; --text-main: #1e293b; --text-muted: #64748b;
    --border-color: #e2e8f0; --surface-strong: #2F7062; color-scheme: light;
  }
}

.topbar .theme-toggle { margin-right: 20px; }