/* ==========================================================================
   University of Sharjah - College of Communication & The Press Club
   Swiss International Typographic Style Sheet (Fully Mobile Responsive)
   ========================================================================== */

:root {
  --uos-maroon: #7A132B;
  --uos-maroon-dark: #5E0E21;
  --uos-maroon-light: #8B1E3F;
  --uos-gold: #C5A059;
  --uos-gold-muted: #DFC690;
  --uos-paper: #FAF9F6;
  --uos-paper-dark: #FAF9F5;
  --uos-ink: #111111;
  --uos-border: #E2E0D8;
  --uos-border-dark: #D1CFCA;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-arabic: 'Amiri', serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--uos-paper);
  color: var(--uos-ink);
  overflow-x: clip;
}

body {
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

::selection {
  background-color: var(--uos-maroon);
  color: #FFFFFF;
}

/* Typography Utilities */
.font-sans { font-family: var(--font-sans); }
.font-serif { font-family: var(--font-serif); }
.font-arabic { font-family: var(--font-arabic); }
.font-mono { font-family: var(--font-mono); }

/* Swiss Layout Container */
.container {
  width: 100%;
  max-width: 80rem; /* 1280px */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Swiss Hairline Grid Texture */
.swiss-grid-bg {
  background-image: 
    linear-gradient(to right, var(--uos-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--uos-border) 1px, transparent 1px);
  background-size: 3rem 3rem;
}

@media (min-width: 768px) {
  .swiss-grid-bg {
    background-size: 4rem 4rem;
  }
}

/* Sticky Navigation Wrapper */
.sticky-nav-container {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background-color: #FFFFFF;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
}

/* Institutional Banner */
.top-institutional-bar {
  background-color: var(--uos-maroon);
  color: #FFFFFF;
  border-bottom: 1px solid var(--uos-maroon-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.4rem 0;
}

@media (max-width: 640px) {
  .top-institutional-bar {
    font-size: 0.62rem;
    padding: 0.3rem 0;
  }
}

.top-institutional-bar a {
  color: var(--uos-gold-muted);
  text-decoration: none;
  font-weight: bold;
}

.top-institutional-bar a:hover {
  color: #FFFFFF;
}

/* Masthead Header */
.main-header {
  background-color: #FFFFFF;
  border-bottom: 2px solid var(--uos-ink);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  padding: 0.5rem 0;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--uos-ink);
}

.logo-crest {
  width: 2.25rem;
  height: 2.25rem;
  background-color: var(--uos-maroon);
  color: var(--uos-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.2rem;
  border: 1px solid var(--uos-maroon-dark);
  flex-shrink: 0;
}

.logo-text-title {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

@media (min-width: 640px) {
  .logo-text-title {
    font-size: 1.65rem;
  }
}

.logo-text-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: #6B7280;
  text-transform: uppercase;
  display: block;
  margin-top: 0.2rem;
}

/* Navigation Links */
.nav-links {
  display: none;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  color: #374151;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: var(--uos-maroon);
}

.nav-link span.num {
  color: #9CA3AF;
  font-size: 0.65rem;
  margin-right: 0.2rem;
}

/* Mobile Menu Toggle Button & Drawer */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--uos-paper-dark);
  border: 1px solid var(--uos-ink);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--uos-ink);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-nav-drawer {
  display: none;
  flex-direction: column;
  background-color: #FFFFFF;
  border-top: 1px solid var(--uos-border);
  padding: 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.mobile-nav-drawer.active {
  display: flex;
}

.mobile-nav-link {
  padding: 0.65rem 1rem;
  color: #111111;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 1px solid #F3F4F6;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-nav-link:hover {
  background-color: var(--uos-paper);
  color: var(--uos-maroon);
}

/* Swiss Section Header */
.section-header-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--uos-maroon);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--uos-ink);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .grid-2 {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Publication Cards */
.pub-card {
  background-color: #FFFFFF;
  border: 1px solid var(--uos-border);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pub-card:hover {
  border-color: var(--uos-ink);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.pub-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #E5E7EB;
  cursor: pointer;
}

.pub-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.pub-card:hover .pub-cover-img {
  transform: scale(1.03);
}

/* Buttons */
.btn-maroon {
  background-color: var(--uos-maroon);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--uos-maroon-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-maroon:hover {
  background-color: var(--uos-maroon-light);
}

.btn-maroon:active {
  transform: scale(0.98);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--uos-ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--uos-ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-white:hover {
  background-color: #F4F4F5;
}

.btn-white:active {
  transform: scale(0.98);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  overflow-y: auto;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background-color: #FFFFFF;
  border: 2px solid var(--uos-ink);
  width: 100%;
  max-width: 42rem;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 640px) {
  .modal-box {
    padding: 2rem;
  }
}

.modal-reader-box {
  background-color: #FFFFFF;
  border: 2px solid var(--uos-ink);
  width: 100%;
  max-width: 1400px;
  height: 94vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  color: #374151;
  margin-bottom: 0.35rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid var(--uos-border);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--uos-ink);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--uos-maroon);
}

/* Audio Player */
.waveform-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3px;
  height: 3rem;
  padding: 0 0.5rem;
  background-color: #FFFFFF;
  border: 1px solid var(--uos-border);
}

.waveform-bar {
  width: 5px;
  background-color: #D1CFCA;
  transition: height 0.2s ease, background-color 0.2s ease;
}

.waveform-bar.active {
  background-color: var(--uos-maroon);
  animation: pulseWave 1.2s infinite ease-in-out alternate;
}

@keyframes pulseWave {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.1); }
}

/* Admin Dashboard Styles */
.admin-tab-btn {
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
  border: none;
  background: none;
  cursor: pointer;
  color: #4B5563;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.admin-tab-btn.active {
  background-color: var(--uos-maroon);
  color: #FFFFFF;
}

.admin-tab-btn:hover:not(.active) {
  background-color: #F7F5F0;
}

/* Responsive Custom Reader Drawer */
@media (max-width: 900px) {
  #reader-sidebar {
    display: none !important;
  }
}

/* Responsive Admin Dashboard */
@media (max-width: 768px) {
  #admin-dashboard-view {
    flex-direction: column !important;
  }
  #admin-dashboard-view aside {
    width: 100% !important;
    border-right: none !important;
    border-bottom: 2px solid var(--uos-ink) !important;
    flex-direction: row !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 0.5rem !important;
    gap: 0.25rem !important;
  }
  #admin-dashboard-view aside span {
    display: none !important;
  }
  #admin-tab-content {
    padding: 1rem !important;
  }
}

/* Universal Mobile Enhancements (< 640px) */
@media (max-width: 640px) {
  .modal-box {
    padding: 1.25rem 1rem !important;
    width: 95% !important;
    max-height: 94vh !important;
  }

  .nav-wrapper {
    min-height: 3.85rem !important;
  }

  .logo-text-title {
    font-size: 1.15rem !important;
  }

  .logo-text-sub {
    font-size: 0.55rem !important;
    max-width: 170px;
    display: block;
    line-height: 1.2;
  }

  .logo-crest {
    width: 2rem !important;
    height: 2rem !important;
    font-size: 1rem !important;
  }

  .btn-maroon, .btn-white {
    padding: 0.45rem 0.75rem !important;
    font-size: 0.72rem !important;
  }

  .mobile-menu-toggle {
    padding: 0.45rem 0.65rem !important;
    font-size: 0.72rem !important;
  }

  /* Sticky nav shadow on mobile */
  .sticky-nav-container {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
  }
}