:root {
  color-scheme: light;
  --bg: #090b1b;
  --surface: rgba(255,255,255,0.09);
  --card: rgba(255,255,255,0.12);
  --text: #f3f5ff;
  --muted: #c5c8d6;
  --accent: #5b82ff;
  --accent-2: #27c6ff;
  --danger: #ff5e7f;
  --success: #4ef87d;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 24px 88px rgba(5, 8, 20, 0.22);
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(83, 145, 255, 0.2), transparent 25%),
    radial-gradient(circle at bottom right, rgba(39, 198, 255, 0.18), transparent 20%),
    linear-gradient(180deg, #0b122f 0%, #090b1b 100%);
  color: var(--text);
}

body.dark-mode {
  --bg: #06080f;
  --surface: rgba(255,255,255,0.06);
  --card: rgba(255,255,255,0.08);
  --text: #edf1ff;
  --muted: #bbc0d9;
  background: radial-gradient(circle at top left, rgba(110, 115, 255, 0.18), transparent 25%),
    radial-gradient(circle at bottom right, rgba(33, 186, 255, 0.15), transparent 20%),
    linear-gradient(180deg, #04060d 0%, #06080f 100%);
}

img {
  max-width: 100%;
}

button, input {
  font: inherit;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  margin-bottom: 0.5rem;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav-link.active,
.nav-link:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text);
}

.hero-panel {
  padding: clamp(2rem, 4vw, 5rem) 1.5rem 2rem;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
  margin-bottom: 1rem;
}

h1, h2 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
}

p {
  color: var(--muted);
}

.hero-illustration {
  min-height: 260px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(91,130,255,0.5), rgba(39,198,255,0.35));
  box-shadow: var(--shadow);
}

.page-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
}

.panel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 2rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-panel {
  max-width: 520px;
  margin: -4rem auto 2rem;
}

.tab-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab-button {
  background: var(--card);
  border: 1px solid transparent;
  color: var(--text);
  padding: 0.95rem 1rem;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tab-button.active,
.tab-button:hover {
  border-color: rgba(255,255,255,0.22);
  transform: translateY(-1px);
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

.auth-form label {
  display: block;
  margin-top: 1rem;
  margin-bottom: 0.3rem;
  color: var(--muted);
}

.auth-form input {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 1rem 1rem;
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 16px;
  padding: 0.95rem 1.3rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text);
}

.helper-text {
  margin-top: 1rem;
  min-height: 1.2rem;
  color: var(--muted);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.info-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
}

.info-bar span {
  color: var(--muted);
}

.search-bar {
  margin-bottom: 1.5rem;
}

.search-bar input {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px;
  padding: 1rem 1.2rem;
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.card-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.candidate-card,
.stat-card,
.form-panel {
  border-radius: 24px;
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem;
}

.candidate-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  align-items: center;
}

.candidate-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 22px;
}

.candidate-card h3 {
  margin: 0 0 0.45rem;
}

.candidate-card p {
  margin: 0.3rem 0;
}

.vote-btn {
  margin-top: 1rem;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 1rem;
}

.progress-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  display: grid;
  gap: 0.4rem;
}

.stat-card strong {
  font-size: 2rem;
}

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

.form-panel {
  display: grid;
  gap: 1rem;
}

.form-panel input,
.form-panel label {
  width: 100%;
}

.card-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
}

.card-actions button {
  flex: 1 1 45%;
}

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

  .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .top-nav,
  .section-header,
  .info-bar,
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .candidate-card {
    grid-template-columns: 1fr;
  }
}