/* =========================================================
   RAGU TOOLS - High-Contrast Dark & Light Theme System
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- Global Reset & Base Typography --- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* =========================================================
   1. LIGHT THEME CONFIGURATION
   ========================================================= */
[data-bs-theme="light"] {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-hero: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);

    /* Text Colors */
    --text-primary: #0f172a;
    --text-muted: #475569;
    --border-color: #cbd5e1;

    /* Brand Accent Colors */
    --accent-indigo: #4338ca;
    --accent-indigo-hover: #3730a3;
    --accent-emerald: #047857;
    --accent-amber: #b45309;

    /* Shadow Utilities */
    --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05);
    --card-shadow-hover: 0 10px 15px -3px rgba(67, 56, 202, 0.12);
}

/* =========================================================
   2. DARK THEME CONFIGURATION (HIGH CONTRAST AAA)
   ========================================================= */
[data-bs-theme="dark"] {
    --bg-main: #0b0f19;          /* Deep dark slate background */
    --bg-surface: #151c2c;       /* Distinct elevated card background */
    --bg-hero: linear-gradient(180deg, #151c2c 0%, #0b0f19 100%);

    /* Crisp High-Contrast Text Colors */
    --text-primary: #ffffff;      /* Pure White for Headings & Primary Text */
    --text-muted: #cbd5e1;        /* Bright Slate Gray for Secondary Text (High Contrast) */
    --border-color: #2d3748;      /* Strong Surface Border */

    /* Vivid Accent Colors */
    --accent-indigo: #6366f1;    /* Electric Indigo */
    --accent-indigo-hover: #818cf8;
    --accent-emerald: #10b981;   /* Bright Emerald */
    --accent-amber: #f59e0b;     /* Vivid Amber */

    /* Shadows */
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    --card-shadow-hover: 0 8px 24px rgba(99, 102, 241, 0.25);

    /* --- Override Bootstrap Color Tokens in Dark Mode --- */
    --bs-body-bg: var(--bg-main);
    --bs-body-color: var(--text-primary);
    --bs-secondary-color: var(--text-muted);
    --bs-tertiary-color: var(--text-muted);
    --bs-emphasis-color: #ffffff;
    --bs-border-color: var(--border-color);
}

/* =========================================================
   3. GLOBAL STYLES & OVERRIDES
   ========================================================= */

/* Body & Generic Text Safety */
body {
    background-color: var(--bg-main) !important;
    color: var(--text-primary) !important;
}

/* Enforce Primary Headings Contrast */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.card-title, .navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
}

/* Fix washed out Bootstrap text classes in Dark Mode */
.text-muted,
.text-body-secondary,
.text-secondary,
p.card-text {
    color: var(--text-muted) !important;
}

/* Hero Banner Layout */
.hero-banner {
    background: var(--bg-hero);
    border-bottom: 1px solid var(--border-color);
    padding: 4.5rem 0;
}

/* High Contrast Card Containers */
.card-custom,
.card {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--card-shadow);
    border-radius: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card-custom:hover,
.card:hover {
    border-color: var(--accent-indigo) !important;
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

/* Primary Action Buttons */
.btn-indigo {
    background-color: var(--accent-indigo) !important;
    border-color: var(--accent-indigo) !important;
    color: #ffffff !important;
    font-weight: 600;
    border-radius: 8px;
    padding: 0.65rem 1.4rem;
}

.btn-indigo:hover {
    background-color: var(--accent-indigo-hover) !important;
    border-color: var(--accent-indigo-hover) !important;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

/* High-Contrast Badges */
.badge-indigo {
    background-color: rgba(99, 102, 241, 0.2) !important;
    color: #a5b4fc !important;
    border: 1px solid rgba(99, 102, 241, 0.4);
}

/* High-Contrast Category Badges inside Cards */
.badge-category {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

/* Utility Icon Colors */
.icon-indigo { color: var(--accent-indigo) !important; }
.icon-emerald { color: var(--accent-emerald) !important; }
.icon-amber { color: var(--accent-amber) !important; }

/* Form Control High Contrast Fixes */
.form-control, .form-select {
    background-color: var(--bg-surface) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-indigo) !important;
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25) !important;
}