/* =========================================================
   WTR — Wynn Training Resources
   Dark Glassmorphism Theme
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* ── Variables ────────────────────────────────────────────── */
:root {
  --bg:           #040b18;
  --bg2:          #070e1f;
  --glass:        rgba(255,255,255,0.04);
  --glass-hover:  rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.10);
  --glass-strong: rgba(255,255,255,0.07);
  --accent:       #00c8ff;
  --accent2:      #006aff;
  --accent-glow:  rgba(0,200,255,0.18);
  --danger:       #ff4d6d;
  --success:      #00e5a0;
  --warn:         #ffc300;
  --text:         #d8e8f8;
  --text-muted:   #5a7a99;
  --text-dim:     #334d66;
  --radius:       14px;
  --radius-sm:    8px;
  --blur:         blur(20px);
  --blur-heavy:   blur(40px);
  --sidebar-w:    280px;
  --nav-h:        76px;
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  min-height: 100dvh; /* iOS Safari: accounts for collapsible URL bar */
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%; /* prevent iOS font size inflation on rotation */
}

/* Animated background orbs */
body::before, body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.25;
}
body::before {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #006aff, transparent 70%);
  top: -200px; left: -100px;
}
body::after {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #00c8ff, transparent 70%);
  bottom: -150px; right: -100px;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
h1,h2,h3,h4,h5 { font-family: 'Orbitron', sans-serif; font-weight: 700; line-height: 1.2; }

/* ── Layout wrapper ───────────────────────────────────────── */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(4,11,24,0.80);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

/* Logo image in navbar */
.navbar-logo {
  height: 54px;
  width: auto;
  /* Logo has white elements — invert background blending so it reads on dark nav */
  filter: drop-shadow(0 0 8px rgba(0,200,255,0.25));
  transition: filter var(--transition), transform var(--transition);
  display: block;
}
.navbar-brand:hover .navbar-logo {
  filter: drop-shadow(0 0 14px rgba(0,200,255,0.55));
  transform: scale(1.03);
}

/* Admin badge shown next to logo in admin panel */
.admin-panel-badge {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.3);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  margin-left: 0.25rem;
  align-self: center;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.navbar-nav a {
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--accent);
  background: var(--glass);
  border-color: var(--glass-border);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Hamburger sidebar toggle */
.sidebar-toggle {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 40px; height: 40px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}
.sidebar-toggle:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}
.sidebar-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.sidebar-overlay.open { opacity: 1; pointer-events: all; }

.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  height: 100dvh;
  z-index: 1000;
  background: rgba(4,11,24,0.96);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border-right: 1px solid var(--glass-border);
  box-shadow: 4px 0 40px rgba(0,0,0,0.6);
  transform: translateX(calc(-1 * var(--sidebar-w)));
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
  padding-top: var(--nav-h);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch; /* momentum scroll on iOS */
  overscroll-behavior: contain;      /* prevent scroll bleed-through */
}
.sidebar.open { transform: translateX(0); }

.sidebar-header {
  padding: 1.25rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Logo in sidebar */
.sidebar-logo {
  width: 200px;
  height: auto;
  display: block;
  /* White logo elements on dark sidebar — add subtle glow */
  filter: drop-shadow(0 0 10px rgba(0,200,255,0.3)) brightness(1.05);
}

.sidebar-links {
  list-style: none;
  padding: 1rem 0;
  flex: 1;
}
.sidebar-links li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.5rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.sidebar-links li a:hover {
  color: var(--accent);
  background: var(--glass);
  border-left-color: var(--accent);
  padding-left: 2rem;
}
.sidebar-links li a::before {
  content: '›';
  font-size: 1.2rem;
  color: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.sidebar-links li a:hover::before { opacity: 1; }

.sidebar-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text);
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  z-index: 10;
}
.sidebar-close:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

/* ── Content offset for fixed nav ────────────────────────── */
.page-top { padding-top: var(--nav-h); }

/* ── Glassmorphism cards ──────────────────────────────────── */
.glass-card {
  background: var(--glass-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transition: all var(--transition);
}
.glass-card:hover {
  background: var(--glass-hover);
  border-color: rgba(0,200,255,0.2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 20px var(--accent-glow);
  transform: translateY(-2px);
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-content { max-width: 800px; position: relative; z-index: 2; }
/* Logo displayed large in hero section */
.hero-logo {
  width: min(480px, 85vw);
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
  filter: drop-shadow(0 0 30px rgba(0,200,255,0.35))
          drop-shadow(0 4px 20px rgba(0,0,0,0.6));
  animation: hero-logo-in 0.8s ease-out both;
}
@keyframes hero-logo-in {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass);
  border: 1px solid rgba(0,200,255,0.3);
  border-radius: 50px;
  padding: 0.4rem 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  line-height: 1.1;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Decorative grid lines */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,106,255,0.35);
}
.btn-primary:hover {
  color: #fff;
  box-shadow: 0 6px 30px rgba(0,200,255,0.5);
  transform: translateY(-2px);
}
.btn-outline {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}
.btn-danger {
  background: var(--danger);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,77,109,0.3);
}
.btn-danger:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.btn-success {
  background: var(--success);
  color: #000;
}
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

/* ── Sections ─────────────────────────────────────────────── */
section { padding: 5rem 2rem; }
.container { max-width: 1100px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 0.75rem;
  color: #fff;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}
.accent-line {
  display: block;
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 3px;
  margin: 1rem auto 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ── Service Cards ────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.5rem; }

.service-card {
  padding: 2rem;
  text-align: center;
}
.service-card .icon {
  width: 70px; height: 70px;
  background: linear-gradient(135deg, rgba(0,106,255,0.2), rgba(0,200,255,0.1));
  border: 1px solid rgba(0,200,255,0.25);
  border-radius: 16px;
  margin: 0 auto 1.25rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  transition: all var(--transition);
}
.service-card:hover .icon {
  background: linear-gradient(135deg, rgba(0,106,255,0.35), rgba(0,200,255,0.2));
  box-shadow: 0 0 25px var(--accent-glow);
  transform: scale(1.05);
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: #fff;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-item {
  padding: 2rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--glass-border);
}
.stat-item:last-child { border-right: none; }
.stat-item .num {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.stat-item .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── About Section ────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-placeholder {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 3rem;
}
.about-img-placeholder p {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.about-text h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin-bottom: 1rem;
  color: #fff;
}
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.tag {
  background: var(--glass);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* ── Contact Form ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.form-group { margin-bottom: 1.25rem; }
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
input[type=text], input[type=email], input[type=tel],
input[type=password], input[type=number], input[type=date],
select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none; /* normalize across Chrome/Safari/Edge */
  appearance: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  background: rgba(0,200,255,0.05);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
textarea { resize: vertical; min-height: 130px; }
select {
  /* Restore custom dropdown arrow after appearance:none */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a7a99' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
}
select option { background: var(--bg2); }

.contact-info-card {
  padding: 2rem;
}
.contact-info-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #fff;
}
.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}
.contact-item .ci-icon {
  width: 40px; height: 40px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item .ci-text strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.contact-item .ci-text span {
  color: var(--text);
  font-size: 0.95rem;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background: rgba(4,11,24,0.9);
  backdrop-filter: var(--blur);
  border-top: 1px solid var(--glass-border);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}
footer .footer-brand {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
}
footer a { color: var(--accent); }
/* Logo in footer */
.footer-logo {
  height: 80px;
  width: auto;
  margin: 0 auto 0.75rem;
  display: block;
  filter: drop-shadow(0 0 10px rgba(0,200,255,0.2)) brightness(1.05);
  transition: filter var(--transition);
}
.footer-logo:hover {
  filter: drop-shadow(0 0 18px rgba(0,200,255,0.45)) brightness(1.1);
}

footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}
footer .footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color var(--transition);
}
footer .footer-links a:hover { color: var(--accent); }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-weight: 500;
  font-size: 0.95rem;
  border-left: 4px solid;
}
.alert-success {
  background: rgba(0,229,160,0.1);
  border-color: var(--success);
  color: var(--success);
}
.alert-danger {
  background: rgba(255,77,109,0.1);
  border-color: var(--danger);
  color: var(--danger);
}
.alert-info {
  background: rgba(0,200,255,0.08);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Admin Panel ──────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - var(--nav-h));
  gap: 0;
}
.admin-sidenav {
  background: rgba(4,11,24,0.95);
  border-right: 1px solid var(--glass-border);
  padding: 2rem 0;
  position: -webkit-sticky; /* Safari */
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.admin-sidenav ul { list-style: none; }
.admin-sidenav ul a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.admin-sidenav ul a:hover,
.admin-sidenav ul a.active {
  color: var(--accent);
  background: var(--glass);
  border-left-color: var(--accent);
}
.admin-sidenav .nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  padding: 1.5rem 1.5rem 0.5rem;
}
.admin-content {
  padding: 2.5rem;
  overflow-x: hidden;
}
.admin-page-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.admin-page-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

/* Admin table */
.admin-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.4rem;
}
.admin-table th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--glass-border);
}
.admin-table td {
  padding: 0.85rem 1rem;
  background: var(--glass);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  vertical-align: middle;
  font-size: 0.95rem;
}
.admin-table td:first-child {
  border-left: 1px solid var(--glass-border);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.admin-table td:last-child {
  border-right: 1px solid var(--glass-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  text-align: right;
}
.admin-table tr:hover td { background: var(--glass-hover); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-success { background: rgba(0,229,160,0.15); color: var(--success); }
.badge-muted   { background: rgba(90,122,153,0.15); color: var(--text-muted); }

/* Admin form panel */
.admin-form-card {
  max-width: 580px;
  padding: 2rem;
}

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.login-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}
.login-card h1 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: #fff;
}
.login-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: 4rem 0;
}

/* ── Utility ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.gap-1 { gap: 0.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }

/* ── Backdrop-filter fallback (older Safari / Firefox without flag) */
@supports not (backdrop-filter: blur(1px)) {
  .navbar        { background: rgba(4,11,24,0.97); }
  .sidebar       { background: rgba(4,11,24,0.99); }
  .glass-card    { background: rgba(10,20,40,0.92); }
  footer         { background: rgba(4,11,24,0.97); }
}

/* ── LDM My Tests list row ───────────────────────────────── */
.ldm-test-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  transition: background var(--transition);
}
.ldm-test-row:hover { background: var(--glass-hover); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidenav { position: static; height: auto; }
  .navbar-nav { display: none; }
  .ldm-settings-grid { grid-template-columns: 1fr !important; }
}

/* Tablet — hide score column, shrink due/status columns */
@media (max-width: 720px) {
  .ldm-test-row .ldm-score { display: none; }
  .ldm-test-row .ldm-due   { display: none; }
}

/* Mobile — stack test rows vertically */
@media (max-width: 520px) {
  .ldm-test-row {
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .ldm-test-row .ldm-title { width: 100%; }
  .ldm-test-row .ldm-status { flex: 1; }
  .ldm-test-row .ldm-actions { margin-left: auto; }
}

@media (max-width: 600px) {
  section { padding: 3.5rem 1.25rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2) { border-right: none; }
  .hero-actions { flex-direction: column; align-items: center; }
  .admin-content { padding: 1.25rem; }
  /* Collapse admin table on small screens */
  .admin-table thead { display: none; }
  .admin-table, .admin-table tbody,
  .admin-table tr, .admin-table td { display: block; width: 100%; }
  .admin-table td {
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
    text-align: left !important;
  }
  .admin-table td:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important; }
  .admin-table td:last-child  { border-radius: 0 0 var(--radius-sm) var(--radius-sm) !important; }
}