/*
Theme Name: HelpTrickBD Pro
Theme URI: https://www.helptrickbd.com
Author: Help Trick BD Team
Author URI: https://www.helptrickbd.com
Description: World-class, responsive, and ultra-high-performance WordPress educational and technology magazine theme tailored for academic portals, National University, SSC/Dakhil, ICT, and job study articles. 100% Core Web Vitals speed optimized, zero external bloat, pure Google Material 3 vector SVG icons, zero emojis, and complete Rank Math SEO & Google AdSense integration.
Version: 1.2.5
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: helptrickbd
Tags: education, technology, news, two-columns, custom-menu, featured-images, theme-options, translation-ready, wide-blocks
*/

/* Core CSS Tokens & Material 3 Design System Variables */
:root {
    /* Color Palette - Light Mode */
    --ht-bg: #f8fafc;
    --ht-surface: #ffffff;
    --ht-surface-hover: #f1f5f9;
    --ht-surface-card: #ffffff;
    --ht-surface-border: #e2e8f0;
    --ht-border-light: #edf2f7;

    --ht-text-primary: #0f172a;
    --ht-text-secondary: #334155;
    --ht-text-muted: #475569;
    --ht-text-inverse: #ffffff;

    --ht-primary: #2563eb;
    --ht-primary-hover: #1d4ed8;
    --ht-primary-light: #eff6ff;
    --ht-primary-border: #bfdbfe;

    --ht-accent: #10b981;
    --ht-accent-hover: #059669;
    --ht-accent-light: #ecfdf5;

    --ht-warning: #f59e0b;
    --ht-warning-light: #fffbeb;
    --ht-danger: #ef4444;
    --ht-danger-light: #fef2f2;
    --ht-info: #0284c7;
    --ht-info-light: #f0f9ff;

    /* Typography - SolaimanLipi High-Precision Primary Typography */
    --ht-font-bn: 'SolaimanLipi', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --ht-font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'SolaimanLipi', sans-serif;
    --ht-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'SolaimanLipi', sans-serif;
    --ht-font-heading: 'SolaimanLipi', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --ht-font-code: 'Fira Code', Consolas, Monaco, monospace;

    /* Layout & Dimensions */
    --ht-max-width: 1240px;
    --ht-header-height: 72px;
    --ht-topbar-height: 40px;
    --ht-bottom-nav-height: 64px;
    --ht-radius-sm: 6px;
    --ht-radius-md: 12px;
    --ht-radius-lg: 16px;
    --ht-radius-full: 9999px;

    /* Shadows (Material 3 Elevation) */
    --ht-shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --ht-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
    --ht-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.09), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
    --ht-shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --ht-shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);

    /* Transitions */
    --ht-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Tokens */
[data-theme="dark"] {
    --ht-bg: #090d16;
    --ht-surface: #111827;
    --ht-surface-hover: #1f2937;
    --ht-surface-card: #131b2e;
    --ht-surface-border: #1e293b;
    --ht-border-light: #232e42;

    --ht-text-primary: #f8fafc;
    --ht-text-secondary: #cbd5e1;
    --ht-text-muted: #94a3b8;
    --ht-text-inverse: #0f172a;

    --ht-primary: #3b82f6;
    --ht-primary-hover: #60a5fa;
    --ht-primary-light: rgba(59, 130, 246, 0.15);
    --ht-primary-border: rgba(59, 130, 246, 0.3);

    --ht-accent: #34d399;
    --ht-accent-hover: #10b981;
    --ht-accent-light: rgba(52, 211, 153, 0.15);

    --ht-warning: #fbbf24;
    --ht-warning-light: rgba(251, 191, 36, 0.15);
    --ht-danger: #f87171;
    --ht-danger-light: rgba(248, 113, 113, 0.15);
    --ht-info: #38bdf8;
    --ht-info-light: rgba(56, 189, 248, 0.15);

    --ht-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --ht-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6);
    --ht-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7);
    --ht-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
    --ht-shadow-glow: 0 0 25px rgba(59, 130, 246, 0.25);
}

/* Category Accent Palette in Dark Mode */
[data-theme="dark"] .ht-cat-national-university { background: rgba(30, 64, 175, 0.4) !important; color: #bfdbfe !important; }
[data-theme="dark"] .ht-cat-education-guide { background: rgba(37, 99, 235, 0.4) !important; color: #bfdbfe !important; }
[data-theme="dark"] .ht-cat-ssc-dakhil { background: rgba(5, 150, 105, 0.4) !important; color: #a7f3d0 !important; }
[data-theme="dark"] .ht-cat-ict-technology { background: rgba(124, 58, 237, 0.4) !important; color: #ddd6fe !important; }
[data-theme="dark"] .ht-cat-job-preparation { background: rgba(180, 83, 9, 0.4) !important; color: #fde68a !important; }
[data-theme="dark"] .ht-cat-political-science { background: rgba(225, 29, 72, 0.4) !important; color: #fecdd3 !important; }
[data-theme="dark"] .ht-cat-islamic-article { background: rgba(13, 148, 136, 0.4) !important; color: #99f6e4 !important; }