/* ================= THEME VARIABLES ================= */
:root {
  --bg: #030712;
  --text: #e5e7eb;

  --primary: #1e40af;
  --primary-dark: #162e87;

  --card-bg: rgba(255,255,255,0.08);
  --card-bg-light: #ffffff;

  --border: rgba(255,255,255,0.18);

  --footer-bg: #0f172a;
  --footer-text: #cbd5e1;
}

/* LIGHT MODE */
[data-theme="light"] {
  --bg: #f6f8fc;
  --text: #1f2937;

  --card-bg: #ffffff;
  --border: rgba(0,0,0,0.08);

  --footer-bg: #0f172a;
  --footer-text: #cbd5e1;
}

/* ================= GLOBAL ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
}

/* ================= NAVBAR ================= */
.navbar {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--primary-dark)
  );
  padding: 12px 0;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar-nav .nav-link {
  color: #e0e7ff !important;
  font-weight: 500;
  padding: 8px 15px;
  transition: 0.3s ease-in-out;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #ffe58f !important;
  transform: translateY(-2px);
}

/* ================= HERO SECTION ================= */
.hero-section {
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--primary-dark)
  );
  color: white;
  padding: 90px 20px;
  text-align: center;
  border-radius: 0 0 25px 25px;
}

.hero-section h1 {
  font-size: 46px;
  font-weight: 700;
}

.hero-section p {
  font-size: 18px;
  max-width: 850px;
  margin: 15px auto;
  opacity: 0.9;
}

.hero-section .btn {
  padding: 12px 32px;
  font-size: 18px;
  border-radius: 30px;
}

/* ================= FEATURE CARDS ================= */
.feature-card {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 8px 22px rgba(0,0,0,0.08);
  transition: 0.3s;
  text-align: center;
  border: 1px solid var(--border);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.feature-card h3 {
  color: var(--primary);
  margin-bottom: 10px;
}

/* ================= FORM STYLING ================= */
form input,
form textarea,
form select {
  background: var(--card-bg);
  color: var(--text);
  border-radius: 12px !important;
  padding: 12px 15px;
  border: 1px solid var(--border) !important;
  transition: 0.3s;
}

form input:focus,
form textarea:focus,
form select:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 6px rgba(30, 64, 175, 0.4);
}

/* ================= TABLE ================= */
table {
  border-radius: 12px;
  overflow: hidden;
}

table th {
  background: var(--primary) !important;
  color: white !important;
}

table td {
  background: var(--card-bg);
  color: var(--text);
}

/* LOGIN BUTTONS */
.login-buttons a {
  border-radius: 30px;
  font-size: 16px;
}

/* STATS BOXES */
.stats-box {
  background: var(--card-bg);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  margin: 10px;
  border: 1px solid var(--border);
}

/* ================= LOGIN UI ================= */
.login-container {
  min-height: 80vh;
}

.login-card {
  width: 380px;
  background: var(--card-bg);
  border-radius: 18px;
  border: 1px solid var(--border);
}

.login-card input,
.login-card select {
  border-radius: 12px !important;
  padding: 10px 12px;
}

.login-card button {
  border-radius: 12px;
  font-size: 17px;
}

.login-card .card {
  border-radius: 16px;
  transition: 0.3s ease;
  cursor: pointer;
  background: var(--card-bg);
}

.login-card .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.login-card h4 {
  color: var(--primary-dark);
  font-weight: 600;
  margin-top: 10px;
}

.login-card h2 {
  font-size: 40px;
}

/* ================= FOOTER ================= */
.eduvault-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 20px 30px;
  margin-top: 80px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.eduvault-footer .container {
  max-width: 1150px;
  margin: auto;
}

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

.footer-brand h3 {
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-tagline {
  color: #38bdf8;
  font-weight: 600;
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: #94a3b8;
}

.footer-links h5 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 14px;
  font-weight: 700;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links ul li a:hover {
  color: #38bdf8;
}

.footer-divider {
  border: none;
  border-top: 1px solid #1e293b;
  margin: 35px 0 20px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #94a3b8;
}

.footer-badges {
  font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}








/* ===== FIX CARD TEXT VISIBILITY ===== */
.admin-card h5 {
  color: #212529;      /* Dark readable heading */
}

.admin-card p {
  color: #495057;      /* Soft dark text */
}

/* Optional: improve contrast */
.admin-card {
  background: #ffffff;
}



/* 🌙 DARK THEME */
html[data-theme="dark"] .about-hero {
  background:
    radial-gradient(circle at top right, rgba(78,115,223,.15), transparent 40%),
    radial-gradient(circle at bottom left, rgba(28,200,138,.15), transparent 45%),
    linear-gradient(135deg, #020617, #020617);
}

html[data-theme="dark"] .story-card,
html[data-theme="dark"] .feature-card {
  background: #0b1220;
  color: #e5e7eb;
}

html[data-theme="dark"] .feature-card h4 {
  color: #f8fafc;
}

html[data-theme="dark"] .feature-card p {
  color: #cbd5e1;
}

html[data-theme="dark"] .about-foot {
  color: #94a3b8;
}