/*
Theme Name:        Gizmodotech Pro
Theme URI:         https://gizmodotech.com
Author:            Gizmodotech Team
Author URI:        https://gizmodotech.com
Description:       A premium, ultra-fast Hybrid Block Theme for tech blogs. Features Bento Grid layout, dark mode, reading progress bar, and full Site Editor support.
Version:           1.0.1
Requires at least: 6.4
Tested up to:      6.7
Requires PHP:      8.0
License:           GNU General Public License v2 or later
License URI:       https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:       gizmodotech-pro
Tags:              blog, technology, news, dark-mode, full-site-editing, block-theme, grid-layout, fast-loading

*/

/* ============================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */

:root {
  /* --- Brand Colors --- */
  --color-primary:        #2563EB;   /* Primary Blue */
  --color-primary-hover:  #1D4ED8;
  --color-primary-light:  #EFF6FF;
  --color-accent:         #F59E0B;   /* Amber accent */
  --color-danger:         #EF4444;
  --color-success:        #10B981;

  /* --- Neutral Palette --- */
  --color-dark:           #0F172A;   /* Dark Slate */
  --color-dark-2:         #1E293B;
  --color-dark-3:         #334155;
  --color-mid:            #64748B;
  --color-light-3:        #94A3B8;
  --color-light-2:        #CBD5E1;
  --color-light-1:        #E2E8F0;
  --color-surface:        #F8FAFC;
  --color-white:          #FFFFFF;

  /* --- Semantic Color Assignments (Light Mode) --- */
  --bg-body:              #F1F5F9;
  --bg-surface:           #FFFFFF;
  --bg-surface-2:         #F8FAFC;
  --bg-nav:               #FFFFFF;
  --bg-footer:            #0F172A;
  --text-primary:         #0F172A;
  --text-secondary:       #475569;
  --text-muted:           #5E7188; /* WCAG AA compliant (4.5:1) on white */
  --text-inverse:         #FFFFFF;
  --border-color:         #E2E8F0;
  --border-color-2:       #CBD5E1;
  --shadow-sm:            0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:            0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:            0 10px 40px rgba(0,0,0,.14);
  --shadow-card:          0 2px 12px rgba(0,0,0,.07);

  /* --- Typography --- */
  --font-sans:            'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif:           Georgia, 'Times New Roman', serif;
  --font-mono:            'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --font-size-xs:         0.75rem;    /* 12px */
  --font-size-sm:         0.875rem;   /* 14px */
  --font-size-base:       1rem;       /* 16px */
  --font-size-md:         1.125rem;   /* 18px */
  --font-size-lg:         1.25rem;    /* 20px */
  --font-size-xl:         1.5rem;     /* 24px */
  --font-size-2xl:        1.875rem;   /* 30px */
  --font-size-3xl:        2.25rem;    /* 36px */
  --font-size-4xl:        3rem;       /* 48px */

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

  --line-height-tight:    1.2;
  --line-height-snug:     1.4;
  --line-height-normal:   1.6;
  --line-height-relaxed:  1.75;
  --line-height-loose:    2;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide:  0.025em;

  /* --- Layout --- */
  --width-content:        800px;
  --width-wide:           1320px;
  --width-full:           100%;
  --width-nav:            1400px;

  /* --- Spacing --- */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;

  /* --- Border Radius (Beebom-inspired, 16px base) --- */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Z-Index Stack --- */
  --z-base:     0;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-nav:      300;
  --z-modal:    400;
  --z-toast:    500;
  --z-progress: 9999;
}

/* ============================================================
   DARK MODE TOKENS
   ============================================================ */

[data-theme="dark"],
.dark-mode {
  --bg-body:        #0B0F1A;
  --bg-surface:     #111827;
  --bg-surface-2:   #1a2235;
  --bg-nav:         #111827;
  --text-primary:   #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted:     #64748B;
  --border-color:   #1E293B;
  --border-color-2: #334155;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.4);
  --shadow-md:      0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:      0 10px 40px rgba(0,0,0,.6);
  --shadow-card:    0 2px 12px rgba(0,0,0,.4);
  --color-primary-light: #1e3a5f;
}

/* ============================================================
   GLOBAL RESETS & BASE
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family:      var(--font-sans);
  font-size:        var(--font-size-base);
  line-height:      var(--line-height-normal);
  color:            var(--text-primary);
  background-color: var(--bg-body);
  transition:       background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-primary-hover); }

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--text-primary);
}

/* ============================================================
   SCREEN READER ONLY
   ============================================================ */

.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   CONTAINER UTILITIES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--width-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--content {
  max-width: var(--width-content);
}

/* ============================================================
   SKIP LINK
   ============================================================ */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus { top: var(--space-4); }