/*
Theme Name: SloganIndex Theme
Theme URI: https://sloganindex.org/
Author: SloganIndex Team
Author URI: https://sloganindex.org/
Description: Custom, high-performance, RTL-first WordPress theme for SloganIndex with native Light/Dark modes, fluid grid layouts, and modern accessibility standards.
Version: 14.0.0
License: GNU General Public License v2 or later
Text Domain: sloganindex
*/

/* ==========================================================================
   1. DESIGN SYSTEM & CSS CUSTOM PROPERTIES (LIGHT / DARK)
   ========================================================================== */

:root {
	/* Light Palette Tokens */
	--color-bg-primary: #F8FAFC;
	--color-bg-secondary: #FFFFFF;
	--color-bg-tertiary: #F1F5F9;
	--color-bg-glass: rgba(255, 255, 255, 0.85);

	--color-text-primary: #0F172A;
	--color-text-secondary: #475569;
	--color-text-muted: #64748B;

	--color-accent-primary: #2563EB;
	--color-accent-hover: #1D4ED8;
	--color-accent-light: #EFF6FF;

	--color-border: #E2E8F0;
	--color-border-hover: #CBD5E1;

	--color-card-bg: #FFFFFF;
	--color-card-border: #E2E8F0;

	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

	/* Typography Scale & Font Families */
	--font-sans: "Vazirmatn", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

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

	/* Spacing Scale */
	--space-1: 0.25rem; /* 4px */
	--space-2: 0.5rem;  /* 8px */
	--space-3: 0.75rem; /* 12px */
	--space-4: 1rem;    /* 16px */
	--space-6: 1.5rem;  /* 24px */
	--space-8: 2rem;    /* 32px */
	--space-12: 3rem;   /* 48px */

	/* Border Radii */
	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 16px;
	--radius-full: 9999px;

	/* Motion & Transitions */
	--transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
	--transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

	/* Container Layout Widths */
	--container-max-width: 1280px;
	--container-padding: var(--space-4);
}

[data-theme="dark"] {
	/* Dark Palette Tokens */
	--color-bg-primary: #0F172A;
	--color-bg-secondary: #1E293B;
	--color-bg-tertiary: #334155;
	--color-bg-glass: rgba(30, 41, 59, 0.85);

	--color-text-primary: #F8FAFC;
	--color-text-secondary: #CBD5E1;
	--color-text-muted: #94A3B8;

	--color-accent-primary: #3B82F6;
	--color-accent-hover: #60A5FA;
	--color-accent-light: rgba(59, 130, 246, 0.15);

	--color-border: #334155;
	--color-border-hover: #475569;

	--color-card-bg: #1E293B;
	--color-card-border: #334155;

	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   2. CORE CSS RESET & RTL GLOBAL STYLES
   ========================================================================== */

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

html {
	direction: rtl;
	unicode-bidi: embed;
	text-align: right;
	font-size: 16px;
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body {
	font-family: var(--font-sans);
	font-size: var(--font-size-base);
	line-height: 1.6;
	color: var(--color-text-primary);
	background-color: var(--color-bg-primary);
	transition: background-color var(--transition-normal), color var(--transition-normal);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

/* Accessible Screen Reader Text Utility */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	width: 1px;
	word-wrap: normal !important;
}

.skip-link:focus {
	background-color: var(--color-accent-primary);
	color: #ffffff;
	clip: auto !important;
	clip-path: none !important;
	height: auto;
	left: var(--space-4);
	top: var(--space-4);
	padding: var(--space-3) var(--space-4);
	position: fixed;
	width: auto;
	z-index: 100000;
	border-radius: var(--radius-sm);
	box-shadow: var(--shadow-lg);
}

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

a:hover, a:focus {
	color: var(--color-accent-hover);
}

/* ==========================================================================
   3. LAYOUT & RESPONSIVE GRID CONTAINERS
   ========================================================================== */

.container {
	width: 100%;
	max-width: var(--container-max-width);
	margin-inline-start: auto;
	margin-inline-end: auto;
	padding-inline-start: var(--container-padding);
	padding-inline-end: var(--container-padding);
}

.site-main {
	flex: 1 0 auto;
	padding-block-start: var(--space-8);
	padding-block-end: var(--space-12);
}

/* Header & Glassmorphism Navbar */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background-color: var(--color-bg-glass);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--color-border);
	transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header .container,
.site-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 76px;
	width: 100%;
	max-width: 100%;
	padding-inline-start: var(--space-6);
	padding-inline-end: var(--space-6);
}

@media (min-width: 1024px) {
	.site-header .container,
	.site-header-inner {
		width: 100%;
		max-width: 100%;
		padding-inline-start: var(--space-8);
		padding-inline-end: var(--space-8);
	}
}

.site-branding {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.site-branding a {
	font-size: var(--font-size-xl);
	font-weight: 800;
	color: var(--color-text-primary);
	letter-spacing: -0.02em;
}

/* Main Header Navigation Menu */
.main-navigation {
	display: flex;
	align-items: center;
	gap: var(--space-6);
}

.nav-menu {
	display: flex;
	align-items: center;
	gap: var(--space-6);
	list-style: none;
}

.nav-menu a {
	color: var(--color-text-secondary);
	font-weight: 500;
	padding-block-start: var(--space-2);
	padding-block-end: var(--space-2);
}

.nav-menu a:hover, .nav-menu .current-menu-item > a {
	color: var(--color-accent-primary);
}

/* Header Control Buttons (Theme Toggle & Mobile Drawer Button) */
.header-actions {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.theme-toggle-btn {
	background: var(--color-bg-tertiary);
	border: 1px solid var(--color-border);
	color: var(--color-text-primary);
	padding: var(--space-2) var(--space-3);
	border-radius: var(--radius-full);
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	font-size: var(--font-size-sm);
	font-weight: 600;
	transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
	background-color: var(--color-border);
	border-color: var(--color-border-hover);
}

.menu-toggle {
	display: none;
	background: var(--color-bg-tertiary);
	border: 1px solid var(--color-border);
	color: var(--color-text-primary);
	padding: var(--space-2);
	border-radius: var(--radius-md);
	cursor: pointer;
}

/* ==========================================================================
   4. CARD GRID ARCHITECTURE & RESPONSIVE BREAKPOINTS
   ========================================================================== */

.card-grid {
	display: grid;
	grid-template-columns: repeat(1, minmax(0, 1fr));
	gap: var(--space-6);
	margin-block-start: var(--space-6);
}

@media (min-width: 640px) {
	.card-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 1024px) {
	.card-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.post-card {
	background-color: var(--color-card-bg);
	border: 1px solid var(--color-card-border);
	border-radius: var(--radius-lg);
	padding: var(--space-6);
	box-shadow: var(--shadow-sm);
	transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.post-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: var(--color-accent-primary);
}

.post-card-title {
	font-size: var(--font-size-xl);
	font-weight: 700;
	margin-block-end: var(--space-3);
	line-height: 1.4;
}

.post-card-excerpt {
	color: var(--color-text-secondary);
	font-size: var(--font-size-sm);
	margin-block-end: var(--space-4);
}

/* ==========================================================================
   5. MOBILE RESPONSIVE DRAWER & BREAKPOINT STYLES
   ========================================================================== */

@media (max-width: 767px) {
	.menu-toggle {
		display: inline-flex;
	}

	.main-navigation {
		position: fixed;
		inset-block-start: 76px;
		inset-inline-start: 0;
		inset-inline-end: 0;
		background-color: var(--color-bg-secondary);
		border-bottom: 1px solid var(--color-border);
		padding: var(--space-6);
		flex-direction: column;
		align-items: flex-start;
		display: none;
		box-shadow: var(--shadow-lg);
	}

	.main-navigation.is-active {
		display: flex;
	}

	.nav-menu {
		flex-direction: column;
		align-items: flex-start;
		width: 100%;
		gap: var(--space-4);
	}

	.nav-menu a {
		width: 100%;
		padding-block-start: var(--space-2);
		padding-block-end: var(--space-2);
		border-bottom: 1px solid var(--color-border);
	}
}

/* ==========================================================================
   6. FOOTER STYLING
   ========================================================================== */

.site-footer {
	background-color: var(--color-bg-secondary);
	border-top: 1px solid var(--color-border);
	padding-block-start: var(--space-12);
	padding-block-end: var(--space-8);
	margin-block-start: auto;
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(1, minmax(0, 1fr));
	gap: var(--space-8);
	margin-block-end: var(--space-8);
}

@media (min-width: 768px) {
	.footer-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

.footer-bottom {
	border-top: 1px solid var(--color-border);
	padding-block-start: var(--space-6);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-4);
	font-size: var(--font-size-sm);
	color: var(--color-text-muted);
}

/* ==========================================================================
   7. GLOBAL RESPONSIVE HARDENING & OVERFLOW PROTECTION
   ========================================================================== */

html, body {
	overflow-x: hidden;
}

@media (max-width: 767px) {
	.container {
		padding-inline-start: var(--space-3);
		padding-inline-end: var(--space-3);
	}

	.site-main {
		padding-block-start: var(--space-4);
		padding-block-end: var(--space-8);
	}
}