/* assets/css/base.css */

:root {
    /* Colors */
    --config-primary: #ab183d;
    --config-primary-dark: #8a0f2e;
    --config-primary-light: #c12a4d;
    --config-secondary: #2d3748;
    --config-text-main: #333333;
    --config-text-muted: #666666;
    --config-bg-main: #f8f9fa;
    --config-bg-card: #ffffff;
    --config-border: #e2e8f0;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
    --text-base-size: 1rem;
    /* 16px default */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-md: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: clamp(1.25rem, 2vw + 1rem, 1.5rem);
    /* 20–24px */
    --text-xxl: clamp(1.5rem, 3vw + 1rem, 2rem);
    /* 24–32px */

    /* Spacing */
    --space-xs: 0.25rem;
    /* 4px */
    --space-sm: 0.5rem;
    /* 8px */
    --space-md: 1rem;
    /* 16px */
    --space-lg: 1.5rem;
    /* 24px */
    --space-xl: 2rem;
    /* 32px */
    --space-xxl: 3rem;
    /* 48px */

    /* Layout */
    --container-max: 80rem;
    /* 1280px */
    --radius-sm: 0.25rem;
    /* 4px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 1rem;
    /* 16px */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--config-bg-main);
    color: var(--config-text-main);
    line-height: 1.6;
    font-size: var(--text-base-size);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--config-secondary);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--text-xxl);
    color: var(--config-primary);
}

h2 {
    font-size: var(--text-xl);
    border-bottom: 2px solid var(--config-primary);
    padding-bottom: var(--space-xs);
    margin-top: var(--space-xl);
}

h3 {
    font-size: var(--text-lg);
    margin-top: var(--space-lg);
}

p,
ul,
ol {
    margin-bottom: var(--space-md);
}

ul,
ol {
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-xs);
}

a {
    color: var(--config-primary);
    text-decoration: none;
    transition: color 0.2s, text-decoration 0.2s;
}

a:hover,
a:focus-visible {
    text-decoration: underline;
    color: var(--config-primary-dark);
}

/* Accessibility */
:focus-visible {
    outline: 3px solid var(--config-primary-light);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--config-primary);
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* Layout & Containers */
.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    width: 100%;
}

/* Cards */
.card {
    background: var(--config-bg-card);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Buttons (base) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--config-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: background-color 0.2s, transform 0.2s;
    border: none;
    cursor: pointer;
    text-align: center;
    font-size: var(--text-sm);
    line-height: 1.5;
    gap: var(--space-xs);
}

.btn:hover,
.btn:focus-visible {
    background-color: var(--config-primary-dark);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background-color: var(--config-secondary);
}

.btn-secondary:hover {
    background-color: #1a202c;
}

.btn-outline {
    background-color: transparent;
    color: var(--config-primary);
    border: 2px solid var(--config-primary);
}

.btn-outline:hover {
    background-color: var(--config-primary);
    color: #fff;
}

.button-group {
    margin: var(--space-xl) 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    display: block;
    width: 100%;
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    background: var(--config-bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    /* forces horizontal scroll on narrow screens */
}

th,
td {
    padding: var(--space-md);
    border: 1px solid var(--config-border);
    text-align: left;
}

th {
    background-color: var(--config-primary);
    color: #fff;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: var(--config-bg-main);
}

tr:hover td {
    background-color: #f1f5f9;
}

/* Author Info (for articles) */
.author-info {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background-color: var(--config-bg-main);
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--config-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xl);
    margin-right: var(--space-md);
    flex-shrink: 0;
}

.author-details h4 {
    margin-bottom: var(--space-xs);
    color: var(--config-primary);
}

.post-date {
    color: var(--config-text-muted);
    font-size: var(--text-sm);
    display: inline-block;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--config-text-muted);
}

.mt-1 {
    margin-top: var(--space-sm);
}

.mt-2 {
    margin-top: var(--space-md);
}

.mb-1 {
    margin-bottom: var(--space-sm);
}

.mb-2 {
    margin-bottom: var(--space-md);
}

.hide-print {
    /* used with print media query */
}

/* Animation (scroll effects) */
.animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

/* Header & Nav */
#header-container {
    min-height: 72px;
    width: 100%;
}

#footer-container {
    min-height: 250px;
    width: 100%;
}

.site-header {
    background-color: var(--config-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 10;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    flex-wrap: wrap;
}

.site-title a {
    color: #fff;
    font-size: var(--text-xl);
    font-weight: 700;
    text-decoration: none;
}

.site-nav {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-nav a {
    color: #fff;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.site-nav a:hover,
.site-nav a:focus-visible {
    background-color: var(--config-primary-dark);
    text-decoration: none;
}

/* Breadcrumbs */
.breadcrumb {
    padding: var(--space-sm) 0;
    font-size: var(--text-sm);
    color: var(--config-text-muted);
    margin-bottom: var(--space-lg);
}

.breadcrumb ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.breadcrumb li::after {
    content: "»";
    margin-left: var(--space-xs);
}

.breadcrumb li:last-child::after {
    content: "";
}

.breadcrumb a {
    color: var(--config-primary);
}

/* Footer */
.site-footer {
    background-color: var(--config-secondary);
    color: #e2e8f0;
    padding: var(--space-xxl) 0 var(--space-lg);
    margin-top: auto;
}

.site-footer a {
    color: #fff;
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
    color: var(--config-primary-light);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0;
}

.footer-copy {
    margin-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    font-size: var(--text-sm);
    text-align: center;
}

/* Ad Placement Placeholder */
.ad-slot {
    background-color: #e2e8f0;
    border: 2px dashed #cbd5e1;
    text-align: center;
    padding: var(--space-md);
    margin: var(--space-xl) 0;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
}

@media (min-width: 48.0625rem) {
    .ad-slot {
        min-height: 250px;
    }
}

/* Responsive Breakpoints & Overrides */
/* 1. Mobile (<=320px) */
@media (max-width: 20rem) {
    :root {
        --text-base-size: 0.875rem;
        --space-lg: 1rem;
    }

    .site-nav {
        flex-direction: column;
        align-items: center;
    }

    #header-container {
        min-height: 120px;
    }
}

/* 2. Mobile (321px - 480px) */
@media (max-width: 30rem) {
    :root {
        --text-base-size: 0.9375rem;
    }

    .site-header .container {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .site-nav {
        width: 100%;
        justify-content: center;
        gap: var(--space-xs);
        flex-wrap: wrap;
    }

    .site-nav a {
        padding: var(--space-xs);
        font-size: var(--text-sm);
    }

    .hide-mobile {
        display: none !important;
    }

    #header-container {
        min-height: 100px;
    }

    #footer-container {
        min-height: 350px;
    }
}

/* 3. Phablet/Tablet (481px - 768px) */
@media (min-width: 30.0625rem) and (max-width: 48rem) {
    .site-header .container {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .site-nav {
        width: 100%;
        justify-content: space-between;
        gap: var(--space-xs);
    }

    #header-container {
        min-height: 96px;
    }

    #footer-container {
        min-height: 280px;
    }

    .hide-mobile {
        display: none !important;
    }
}

/* 4. Desktop (769px - 1024px) */
@media (min-width: 48.0625rem) {
    .show-desktop {
        display: block !important;
    }

    .ad-slot {
        min-height: 200px;
    }
}

/* 5. Large Desktop (1025px - 1440px) */
@media (min-width: 64.0625rem) {
    .ad-slot {
        min-height: 250px;
    }
}

/* 6. Ultra Wide Screens (1441px - 1920px) */
@media (min-width: 90.0625rem) {
    :root {
        --text-base-size: 1.125rem;
        --space-md: 1.25rem;
    }
}

/* 7. Massive Screens (>=1921px) */
@media (min-width: 120.0625rem) {
    :root {
        --text-base-size: 1.25rem;
        --container-max: 100rem;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    .hide-print,
    .site-header,
    .site-footer,
    .ad-slot,
    .breadcrumb {
        display: none !important;
    }

    a {
        text-decoration: underline;
        color: black;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    * {
        background: transparent !important;
        color: black !important;
        text-shadow: none !important;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}