/*
Theme Name: NewsNI Portal
Theme URI: https://newsni.co.uk
Author: Antigravity AI & SPMur
Description: A custom, lightweight, minimalist classic theme for newsni.co.uk inspired by the BBC News design.
Version: 1.0.0
Text Domain: newsni-portal
*/

/* ==========================================================================
   1. Design Tokens (CSS Variables)
   ========================================================================== */
:root {
    /* Base Colors */
    --color-bg: #f8f9fa;
    --color-card-bg: #ffffff;
    --color-text: #111111;
    --color-text-muted: #555555;
    --color-border: #e2e8f0;
    --color-link: #0066cc;
    --color-link-hover: #004499;

    /* Category Specific Colors (HSL) */
    --color-news: hsl(354, 70%, 45%);       /* Crimson Red */
    --color-politics: hsl(210, 30%, 40%);   /* Slate Blue */
    --color-business: hsl(165, 60%, 35%);   /* Teal Green */
    --color-sport: hsl(38, 90%, 45%);      /* Amber Gold */
    --color-culture: hsl(275, 55%, 45%);    /* Royal Violet */
    --color-data: hsl(220, 75%, 45%);       /* Cobalt Blue */

    /* Layout & Spacing */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 1280px;
    --header-height: 70px;
    --border-radius: 0px; /* BBC News style uses crisp sharp corners */
}

/* Dark Mode Preference */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #121212;
        --color-card-bg: #1e1e1e;
        --color-text: #f3f4f6;
        --color-text-muted: #a1a1aa;
        --color-border: #2d2d2d;
        --color-link: #66b2ff;
        --color-link-hover: #99ccff;
    }
}

/* ==========================================================================
   2. Base Reset & Typography
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

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

/* ==========================================================================
   3. Main Site Layout Structure
   ========================================================================== */
.site-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 16px;
}

/* Header & Navigation Styles */
.site-header {
    background-color: var(--color-card-bg);
    border-bottom: 2px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
}

.site-title {
    font-size: 24px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.site-title a {
    color: var(--color-text);
}

.site-title a:hover {
    text-decoration: none;
}

/* Menu Toggle Button (Hamburger) */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle .hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Transform to X when active */
.menu-toggle.is-active .hamburger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active .hamburger-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active .hamburger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Navigation Bars */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 600;
    font-size: 14px;
    padding: 8px 4px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-menu a:hover {
    text-decoration: none;
}

/* Responsive Header Styles */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-card-bg);
        border-bottom: 2px solid var(--color-border);
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        padding: 16px 24px;
        box-sizing: border-box;
    }

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

    .nav-menu {
        flex-direction: column;
        gap: 12px;
    }

    .nav-menu a {
        font-size: 16px;
        padding: 10px 0;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }

    .nav-menu a:last-child {
        border-bottom: none;
    }
}

/* Sub-Navigation Bar */
.sub-nav-bar {
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
    overflow-x: auto;
    white-space: nowrap;
}

.sub-nav-bar .site-container {
    display: flex;
    gap: 16px;
}

.sub-nav-bar a {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* ==========================================================================
   4. BBC-Style Balanced Hub Grid Layout
   ========================================================================== */
.homepage-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-top: 24px;
}

@media (max-width: 900px) {
    .homepage-grid {
        grid-template-columns: 1fr;
    }
}

.editorial-news {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Full-Width Desktop Hero Banner */
.full-width-hero-container {
    grid-column: 1 / -1;
    margin-bottom: 24px;
}

.hero-banner {
    position: relative;
    width: 100%;
    height: 480px;
    background-color: #000;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

@media (max-width: 768px) {
    .hero-banner {
        height: 320px;
    }
}

.hero-banner img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
    transition: transform 0.5s ease;
}

.hero-banner:hover img {
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.85) 90%);
    z-index: 1;
}

.hero-banner-content {
    position: relative;
    z-index: 2;
    padding: 32px;
    color: #ffffff;
    max-width: 800px;
}

@media (max-width: 768px) {
    .hero-banner-content {
        padding: 16px;
    }
}

.hero-banner-content .card-category-label {
    margin-bottom: 12px;
}

.hero-banner-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.hero-banner-title a {
    color: #ffffff;
}

.hero-banner-title a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero-banner-title {
        font-size: 24px;
    }
}

.hero-banner-excerpt {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 16px;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .hero-banner-excerpt {
        display: none; /* Hide excerpt on small mobile screens to fit title */
    }
}

/* Category Splits (1 Left + 4 Right Layout) */
.category-block {
    margin-top: 48px;
}

.category-layout-grid {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .category-layout-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.category-featured {
    display: flex;
    flex-direction: column;
}

.category-headlines {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.headline-item {
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.headline-item:first-child {
    padding-top: 0;
}

.headline-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.headline-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.35;
}

.headline-title a {
    color: var(--color-text);
}

.headline-title a:hover {
    color: var(--color-link);
    text-decoration: none;
}

.headline-meta {
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* News Cards */
.hero-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.hero-card .card-content {
    padding: 20px;
}

.card-category-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.card-title {
    font-size: 28px;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 12px;
}

.card-title a {
    color: var(--color-text);
}

.card-title a:hover {
    text-decoration: none;
    color: var(--color-link);
}

.card-excerpt {
    color: var(--color-text-muted);
    font-size: 15px;
    margin-bottom: 12px;
}

/* Secondary stories grid */
.secondary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .secondary-grid {
        grid-template-columns: 1fr;
    }
}

.news-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    padding: 16px;
    display: flex;
    flex-direction: column;
}

.news-card .card-title {
    font-size: 18px;
}

/* ==========================================================================
   5. Interactive Widgets Sidebar
   ========================================================================== */
.interactive-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.widget-box {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--widget-accent-color, var(--color-border));
    padding: 20px;
}

.widget-title {
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Search widget formatting */
.search-form-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-input-field {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 14px;
}

.search-submit-btn {
    background-color: var(--color-text);
    color: var(--color-bg);
    border: none;
    padding: 10px;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.search-submit-btn:hover {
    opacity: 0.9;
}

/* Weather & Travel Widgets */
.live-feed-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.live-feed-item:last-child {
    border-bottom: none;
}

/* ==========================================================================
   6. Footer Styling
   ========================================================================== */
.site-footer {
    background-color: var(--color-card-bg);
    border-top: 2px solid var(--color-border);
    padding: 40px 0;
    margin-top: 48px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-copy {
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
}

/* Category Accent Utility Classes */
.cat-news { border-top-color: var(--color-news); --widget-accent-color: var(--color-news); }
.cat-politics { border-top-color: var(--color-politics); --widget-accent-color: var(--color-politics); }
.cat-business { border-top-color: var(--color-business); --widget-accent-color: var(--color-business); }
.cat-sport { border-top-color: var(--color-sport); --widget-accent-color: var(--color-sport); }
.cat-culture { border-top-color: var(--color-culture); --widget-accent-color: var(--color-culture); }
.cat-data { border-top-color: var(--color-data); --widget-accent-color: var(--color-data); }

.cat-text-news { color: var(--color-news); fill: var(--color-news); }
.cat-text-politics { color: var(--color-politics); fill: var(--color-politics); }
.cat-text-business { color: var(--color-business); fill: var(--color-business); }
.cat-text-sport { color: var(--color-sport); fill: var(--color-sport); }
.cat-text-culture { color: var(--color-culture); fill: var(--color-culture); }
.cat-text-data { color: var(--color-data); fill: var(--color-data); }