/*
Theme Name: MedVideo Course Platform
Theme URI: https://medvideo.prepsyncresources.com
Author: PrepSync Resources
Author URI: https://prepsyncresources.com
Description: A secure, modern WordPress theme for hosting video course resources organized by books. Features custom post types for courses, YouTube video embedding, progress tracking, chapter organization, and a beautiful responsive design.
Version: 1.0.0
Requires at least: 6.0
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: medvideo
Tags: education, video, courses, custom-post-types, responsive-layout
*/

/* ========================================
   CSS CUSTOM PROPERTIES
   ======================================== */
:root {
  --mv-primary: #0c4a6e;
  --mv-primary-light: #0369a1;
  --mv-primary-dark: #082f49;
  --mv-accent: #10b981;
  --mv-accent-light: #34d399;
  --mv-accent-dark: #059669;
  --mv-bg: #f0f9ff;
  --mv-bg-alt: #e0f2fe;
  --mv-card: #ffffff;
  --mv-text: #0f172a;
  --mv-text-light: #64748b;
  --mv-text-muted: #94a3b8;
  --mv-border: #e2e8f0;
  --mv-border-light: #f1f5f9;
  --mv-danger: #ef4444;
  --mv-warning: #f59e0b;
  --mv-success: #10b981;
  --mv-shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --mv-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --mv-shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --mv-shadow-lg: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);
  --mv-shadow-xl: 0 20px 25px rgba(0,0,0,.1), 0 8px 10px rgba(0,0,0,.04);
  --mv-radius: 12px;
  --mv-radius-sm: 8px;
  --mv-radius-lg: 16px;
  --mv-radius-xl: 24px;
  --mv-transition: 0.2s ease;
  --mv-font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mv-font-heading: 'Playfair Display', Georgia, serif;
  --mv-container: 1280px;
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--mv-font-body);
  background: var(--mv-bg);
  color: var(--mv-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--mv-transition);
}

/* ========================================
   LAYOUT
   ======================================== */
.mv-container {
  max-width: var(--mv-container);
  margin: 0 auto;
  padding: 0 24px;
}

.mv-section {
  padding: 60px 0;
}

/* ========================================
   SITE HEADER
   ======================================== */
.mv-header {
  background: var(--mv-primary-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}

.mv-header-inner {
  max-width: var(--mv-container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.mv-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mv-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--mv-accent), var(--mv-accent-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 2px 8px rgba(16,185,129,.3);
}

.mv-logo-text {
  font-family: var(--mv-font-heading);
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: -0.5px;
}

.mv-logo-text span {
  color: var(--mv-accent-light);
}

.mv-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mv-nav a {
  color: rgba(255,255,255,.8);
  padding: 8px 16px;
  border-radius: var(--mv-radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--mv-transition);
}

.mv-nav a:hover,
.mv-nav a.active {
  color: #fff;
  background: rgba(255,255,255,.1);
}

.mv-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ========================================
   HOMEPAGE HERO
   ======================================== */
.mv-home-hero {
  background: linear-gradient(135deg, var(--mv-primary-dark) 0%, var(--mv-primary) 40%, var(--mv-primary-light) 100%);
  padding: 80px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mv-home-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(16,185,129,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 20%, rgba(14,165,233,.1) 0%, transparent 40%);
  animation: heroFloat 20s ease-in-out infinite alternate;
}

@keyframes heroFloat {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-3%, 2%) rotate(1deg); }
}

.mv-home-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 80px;
  background: var(--mv-bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.mv-home-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.mv-home-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.85rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.mv-home-hero h1 {
  font-family: var(--mv-font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -1px;
  line-height: 1.2;
}

.mv-home-hero p {
  color: rgba(255,255,255,.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.mv-home-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.mv-home-stat {
  text-align: center;
}

.mv-home-stat .num {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--mv-accent-light);
}

.mv-home-stat .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,.65);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ========================================
   SEARCH BAR (HOMEPAGE)
   ======================================== */
.mv-search-section {
  max-width: 700px;
  margin: -30px auto 40px;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

.mv-search-bar {
  background: var(--mv-card);
  border-radius: var(--mv-radius-lg);
  box-shadow: var(--mv-shadow-xl);
  padding: 8px;
  display: flex;
  border: 2px solid var(--mv-border);
}

.mv-search-bar input {
  flex: 1;
  border: none;
  padding: 14px 20px;
  font-size: 1rem;
  font-family: var(--mv-font-body);
  background: transparent;
  color: var(--mv-text);
  outline: none;
}

.mv-search-bar input::placeholder {
  color: var(--mv-text-muted);
}

.mv-search-bar button {
  background: linear-gradient(135deg, var(--mv-primary), var(--mv-primary-light));
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: var(--mv-radius);
  font-family: var(--mv-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--mv-transition);
}

.mv-search-bar button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(3,105,161,.3);
}

/* ========================================
   COURSE GRID (HOMEPAGE)
   ======================================== */
.mv-courses-section {
  padding: 20px 0 80px;
}

.mv-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.mv-section-header h2 {
  font-family: var(--mv-font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--mv-primary-dark);
  margin-bottom: 10px;
}

.mv-section-header p {
  color: var(--mv-text-light);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto;
}

.mv-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

/* Course Card */
.mv-course-card {
  background: var(--mv-card);
  border-radius: var(--mv-radius-lg);
  box-shadow: var(--mv-shadow);
  overflow: hidden;
  transition: transform var(--mv-transition), box-shadow var(--mv-transition);
  border: 2px solid var(--mv-border);
  display: flex;
  flex-direction: column;
}

.mv-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--mv-shadow-xl);
}

.mv-course-card-thumb {
  position: relative;
  padding-bottom: 50%;
  overflow: hidden;
}

.mv-course-card-thumb-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.mv-course-card-thumb img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
}

.mv-course-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,.7);
  color: #fff;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.mv-course-card-body {
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.mv-course-card-category {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--mv-primary-light);
  margin-bottom: 8px;
}

.mv-course-card-title {
  font-family: var(--mv-font-heading);
  font-size: 1.25rem;
  color: var(--mv-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.mv-course-card-author {
  font-size: 0.88rem;
  color: var(--mv-text-light);
  margin-bottom: 12px;
}

.mv-course-card-desc {
  font-size: 0.9rem;
  color: var(--mv-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.mv-course-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--mv-border-light);
}

.mv-course-card-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--mv-text-light);
}

.mv-course-card-meta-item .icon {
  font-size: 1rem;
}

.mv-course-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  color: var(--mv-primary);
  font-weight: 600;
  font-size: 0.88rem;
}

.mv-course-card-link:hover {
  color: var(--mv-accent);
}

/* ========================================
   SINGLE COURSE PAGE — HERO
   ======================================== */
.mv-course-hero {
  padding: 60px 20px 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mv-course-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,.08) 0%, transparent 50%);
  animation: heroFloat 15s ease-in-out infinite alternate;
}

.mv-course-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.mv-course-hero-icon {
  font-size: 56px;
  margin-bottom: 16px;
  display: inline-block;
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.mv-course-hero h1 {
  font-family: var(--mv-font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.mv-course-hero p {
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.mv-course-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.mv-course-stat {
  text-align: center;
  color: #fff;
}

.mv-course-stat .num {
  font-size: 1.8rem;
  font-weight: 700;
  display: block;
}

.mv-course-stat .label {
  font-size: 0.82rem;
  color: rgba(255,255,255,.75);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   SINGLE COURSE — AUTHOR CARD
   ======================================== */
.mv-author-section {
  max-width: var(--mv-container);
  margin: -20px auto 20px;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

.mv-author-card {
  background: var(--mv-card);
  border-radius: var(--mv-radius);
  box-shadow: var(--mv-shadow-lg);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: center;
  border: 3px solid var(--mv-border);
}

.mv-author-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  flex-shrink: 0;
}

.mv-author-info h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.mv-author-info p {
  color: var(--mv-text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ========================================
   SINGLE COURSE — CONTROLS
   ======================================== */
.mv-controls {
  max-width: var(--mv-container);
  margin: 20px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

.mv-controls-inner {
  background: var(--mv-card);
  border-radius: var(--mv-radius);
  box-shadow: var(--mv-shadow-lg);
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  border: 2px solid var(--mv-border);
}

.mv-search-box {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.mv-search-box::before {
  content: '\1F50D';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  z-index: 1;
}

.mv-search-box input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 2px solid var(--mv-border);
  border-radius: var(--mv-radius-sm);
  font-size: 0.95rem;
  font-family: var(--mv-font-body);
  transition: border-color var(--mv-transition);
  background: var(--mv-bg);
}

.mv-search-box input:focus {
  outline: none;
  border-color: var(--mv-primary);
}

.mv-chapter-select {
  padding: 10px 14px;
  border: 2px solid var(--mv-border);
  border-radius: var(--mv-radius-sm);
  font-size: 0.92rem;
  font-family: var(--mv-font-body);
  background: var(--mv-bg);
  cursor: pointer;
  min-width: 180px;
}

.mv-view-toggle {
  display: flex;
  border: 2px solid var(--mv-border);
  border-radius: var(--mv-radius-sm);
  overflow: hidden;
}

.mv-view-btn {
  padding: 9px 14px;
  border: none;
  background: var(--mv-bg);
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--mv-transition);
}

.mv-view-btn.active {
  background: var(--mv-primary);
  color: #fff;
}

/* ========================================
   SINGLE COURSE — PROGRESS
   ======================================== */
.mv-progress-section {
  max-width: var(--mv-container);
  margin: 18px auto 0;
  padding: 0 24px;
}

.mv-progress-bar-outer {
  background: var(--mv-border);
  border-radius: 50px;
  height: 8px;
  overflow: hidden;
}

.mv-progress-bar-inner {
  height: 100%;
  border-radius: 50px;
  transition: width 0.5s ease;
  width: 0%;
}

.mv-progress-text {
  font-size: 0.82rem;
  color: var(--mv-text-light);
  margin-top: 6px;
  text-align: right;
}

/* ========================================
   SINGLE COURSE — FILTER PILLS
   ======================================== */
.mv-filter-pills {
  max-width: var(--mv-container);
  margin: 18px auto 0;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mv-filter-pill {
  padding: 6px 16px;
  border: 2px solid var(--mv-border);
  border-radius: 50px;
  font-size: 0.82rem;
  font-family: var(--mv-font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--mv-transition);
  background: var(--mv-card);
}

.mv-filter-pill:hover,
.mv-filter-pill.active {
  border-color: var(--mv-primary);
  background: var(--mv-primary);
  color: #fff;
}

/* ========================================
   SINGLE COURSE — VIDEO GRID
   ======================================== */
.mv-videos-container {
  max-width: var(--mv-container);
  margin: 28px auto;
  padding: 0 24px 60px;
}

.mv-chapter-header {
  margin: 36px 0 20px;
  padding: 16px 20px;
  background: var(--mv-card);
  border-radius: var(--mv-radius);
  border-left: 4px solid var(--mv-primary);
  box-shadow: var(--mv-shadow-sm);
}

.mv-chapter-header h3 {
  font-family: var(--mv-font-heading);
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.mv-chapter-header p {
  font-size: 0.88rem;
  color: var(--mv-text-light);
}

.mv-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.mv-video-grid.list-view {
  grid-template-columns: 1fr;
}

.mv-video-card {
  background: var(--mv-card);
  border-radius: var(--mv-radius);
  box-shadow: var(--mv-shadow);
  overflow: hidden;
  transition: transform var(--mv-transition), box-shadow var(--mv-transition);
  border: 2px solid var(--mv-border);
}

.mv-video-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--mv-shadow-lg);
}

.mv-video-card.watched {
  border-left: 4px solid var(--mv-success);
}

.mv-video-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  cursor: pointer;
  overflow: hidden;
}

.mv-video-thumb img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
}

.mv-video-thumb .play-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.4);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.mv-video-thumb:hover .play-overlay {
  opacity: 1;
}

.play-overlay span {
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  padding-left: 4px;
}

.mv-playlist-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  z-index: 3;
  backdrop-filter: blur(4px);
}

.mv-video-iframe {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  border: none;
}

.mv-video-info {
  padding: 14px 16px;
}

.mv-video-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
}

.mv-video-desc {
  font-size: 0.82rem;
  color: var(--mv-text-light);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mv-video-actions {
  display: flex;
  gap: 8px;
}

.mv-action-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--mv-border);
  border-radius: 6px;
  background: var(--mv-bg);
  font-size: 0.78rem;
  font-family: var(--mv-font-body);
  cursor: pointer;
  transition: all var(--mv-transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.mv-action-btn:hover {
  border-color: var(--mv-primary);
  color: var(--mv-primary);
}

.mv-watch-btn.active {
  background: var(--mv-success);
  color: #fff;
  border-color: var(--mv-success);
}

.mv-fav-btn.active {
  background: #fef2f2;
  color: var(--mv-danger);
  border-color: var(--mv-danger);
}

/* List view */
.list-view .mv-video-card {
  display: grid;
  grid-template-columns: 300px 1fr;
}

.list-view .mv-video-thumb {
  padding-bottom: 0;
  height: 170px;
}

.list-view .mv-video-desc {
  -webkit-line-clamp: 3;
}

/* ========================================
   NO RESULTS
   ======================================== */
.mv-no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--mv-text-light);
  display: none;
}

.mv-no-results .emoji {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.mv-back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--mv-primary);
  color: #fff;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: var(--mv-shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 100;
}

.mv-back-top.visible {
  opacity: 1;
  visibility: visible;
}

.mv-back-top:hover {
  transform: scale(1.1);
  background: var(--mv-primary-dark);
}

/* ========================================
   FOOTER
   ======================================== */
.mv-footer {
  background: var(--mv-primary-dark);
  color: rgba(255,255,255,.7);
  padding: 48px 0 24px;
}

.mv-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.mv-footer-brand h3 {
  font-family: var(--mv-font-heading);
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.mv-footer-brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 350px;
}

.mv-footer-links h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mv-footer-links a {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--mv-transition);
}

.mv-footer-links a:hover {
  color: var(--mv-accent-light);
}

.mv-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* ========================================
   404 PAGE
   ======================================== */
.mv-404 {
  text-align: center;
  padding: 120px 24px;
}

.mv-404 .emoji {
  font-size: 5rem;
  margin-bottom: 20px;
}

.mv-404 h1 {
  font-family: var(--mv-font-heading);
  font-size: 2.5rem;
  color: var(--mv-primary);
  margin-bottom: 12px;
}

.mv-404 p {
  color: var(--mv-text-light);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.mv-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--mv-radius-sm);
  font-family: var(--mv-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--mv-transition);
  border: none;
}

.mv-btn-primary {
  background: linear-gradient(135deg, var(--mv-primary), var(--mv-primary-light));
  color: #fff;
  box-shadow: 0 4px 12px rgba(3,105,161,.25);
}

.mv-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(3,105,161,.35);
}

/* ========================================
   PAGINATION
   ======================================== */
.mv-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.mv-pagination a,
.mv-pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--mv-radius-sm);
  border: 2px solid var(--mv-border);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--mv-transition);
}

.mv-pagination a:hover {
  border-color: var(--mv-primary);
  color: var(--mv-primary);
}

.mv-pagination .current {
  background: var(--mv-primary);
  color: #fff;
  border-color: var(--mv-primary);
}

/* ========================================
   ADMIN META BOX STYLES
   ======================================== */
.mv-meta-field {
  margin-bottom: 16px;
}

.mv-meta-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 13px;
}

.mv-meta-field input,
.mv-meta-field textarea,
.mv-meta-field select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.mv-meta-field textarea {
  min-height: 120px;
  font-family: monospace;
}

.mv-meta-field .description {
  font-size: 12px;
  color: #666;
  margin-top: 4px;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 900px) {
  .mv-footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .mv-header-inner {
    height: 60px;
  }

  .mv-nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--mv-primary-dark);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--mv-shadow-lg);
  }

  .mv-nav.open {
    display: flex;
  }

  .mv-nav-toggle {
    display: block;
  }

  .mv-home-hero {
    padding: 50px 16px 70px;
  }

  .mv-course-hero {
    padding: 40px 16px 36px;
  }

  .mv-course-hero h1 {
    font-size: 1.5rem;
  }

  .mv-author-card {
    flex-direction: column;
    text-align: center;
  }

  .mv-controls-inner {
    padding: 14px 16px;
  }

  .mv-course-grid {
    grid-template-columns: 1fr;
  }

  .mv-video-grid {
    grid-template-columns: 1fr;
  }

  .list-view .mv-video-card {
    grid-template-columns: 1fr;
  }

  .list-view .mv-video-thumb {
    height: auto;
    padding-bottom: 56.25%;
  }

  .mv-home-stats {
    gap: 24px;
  }
}