/**
 * File: vote.css
 * Purpose: Styling for the student vote/casting ballot page
 * Used by: vote.php (paired with vote-form.js)
 */

/* === CSS variables === */
:root {
  --vote-primary: #1d4ed8;
  --vote-primary-dark: #1e3a8a;
  --vote-secondary: #3b82f6;
  --vote-secondary-dark: #2563eb;
  --vote-bg: #f8fafc;
  --vote-border: #dbe4f0;
  --vote-text: #0f172a;
  --vote-muted: #475569;
}

.vote-page {
  width: min(1040px, 94vw);
  margin: var(--page-start-gap) auto 3rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.vote-hero {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.95), rgba(59, 130, 246, 0.92));
  color: #fff;
  border-radius: 18px;
  padding: 1.2rem 1.25rem;
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vote-hero:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px rgba(37, 99, 235, 0.3);
}

.vote-hero h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2.3vw, 1.6rem);
}

.vote-hero p {
  margin: 0.45rem 0 0;
  opacity: 0.92;
}

.vote-card {
  border-radius: 16px;
  border: 1px solid var(--vote-border);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  padding: 1rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.vote-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.24);
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.11);
}

.vote-error-box {
  border-radius: 10px;
  border: 1px solid rgba(185, 28, 28, 0.32);
  background: rgba(254, 226, 226, 0.8);
  color: #991b1b;
  padding: 0.65rem 0.8rem;
  font-size: 0.92rem;
}

.vote-card.empty,
.vote-card.success-state {
  text-align: center;
  padding: 2rem 1rem;
  width: min(760px, 100%);
  margin-inline: auto;
}

.vote-card.empty h1,
.vote-card.success-state h1 {
  margin: 0;
  color: var(--vote-text);
  font-size: clamp(1.2rem, 2.1vw, 1.5rem);
}

.vote-card.empty p,
.vote-card.success-state p {
  margin: 0.7rem 0 0;
  color: var(--vote-muted);
}

.vote-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.vote-online-meta {
  border: 1px solid #bfdbfe;
  background: rgba(219, 234, 254, 0.6);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  display: grid;
  gap: 0.25rem;
  color: #1e3a8a;
}

.vote-online-meta strong {
  font-size: 0.95rem;
}

.vote-online-meta span {
  color: #334155;
  font-size: 0.9rem;
}

.vote-meta-grid label {
  display: grid;
  gap: 0.32rem;
  color: #1e293b;
  font-size: 0.9rem;
}

.vote-meta-grid select,
.vote-meta-grid input[type="text"] {
  border: 1px solid #bdd0e5;
  border-radius: 10px;
  padding: 0.58rem 0.65rem;
  font: inherit;
  background: #fff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.vote-meta-grid select:focus-visible,
.vote-meta-grid input[type="text"]:focus-visible {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.vote-meta-grid input[type="text"] {
  direction: ltr;
  text-align: left;
}

.vote-limit-info {
  margin-top: 0.75rem;
  border-radius: 10px;
  border: 1px dashed #93c5fd;
  padding: 0.6rem 0.7rem;
  color: #1e40af;
  background: rgba(219, 234, 254, 0.55);
}

.candidate-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.candidate-option {
  border: 1px solid #d2dfed;
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, background 0.16s ease;
  display: block;
  cursor: pointer;
}

.candidate-option.is-hidden {
  display: none;
}

.candidate-option:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.12);
  background: linear-gradient(180deg, #ffffff 0%, #fafdff 100%);
}

.candidate-option input.candidate-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.candidate-content {
  display: grid;
  grid-template-rows: auto 1fr;
}

.candidate-image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.candidate-image.placeholder {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e2e8f0, #f8fafc);
  color: #64748b;
  font-size: 0.88rem;
}

.candidate-info {
  padding: 0.62rem 0.7rem;
  display: grid;
  gap: 0.24rem;
}

.candidate-info strong {
  color: var(--vote-text);
}

.candidate-info span {
  color: var(--vote-muted);
  font-size: 0.86rem;
}

.candidate-option:has(input:checked) {
  border-color: #1d4ed8;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2), 0 10px 20px rgba(37, 99, 235, 0.14);
  background: linear-gradient(180deg, #ffffff 0%, #eef6ff 100%);
}

.candidate-option.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-submit {
  margin-top: 1rem;
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--vote-primary), var(--vote-secondary));
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.8rem 1rem;
  text-decoration: none;
  box-shadow: 0 12px 22px rgba(37, 99, 235, 0.26);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn-submit:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--vote-primary-dark), var(--vote-secondary-dark));
  box-shadow: 0 16px 28px rgba(37, 99, 235, 0.32);
}

.btn-submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18), 0 16px 28px rgba(37, 99, 235, 0.32);
}

.btn-submit:disabled,
.btn-submit.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
  transform: none;
}

.btn-submit:disabled:hover,
.btn-submit.is-disabled:hover {
  transform: none;
  background: linear-gradient(135deg, var(--vote-primary), var(--vote-secondary));
  box-shadow: none;
}

@media (max-width: 860px) {
  .vote-meta-grid {
    grid-template-columns: 1fr;
  }
}