/* ===== VARIABLES ===== */
:root {
  --primary-color: #3b82f6;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --dark-bg: #0d1117;
  --card-bg: #161b22;
  --border-color: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* ===== CARD ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.auth-card {
  max-width: 400px;
  margin: 60px auto;
}

.success-card {
  text-align: center;
  padding: 40px 24px;
  border: 2px solid var(--success-color);
  background: rgba(16, 185, 129, 0.1);
}

.success-card h1 {
  color: var(--success-color);
}

.success-details {
  background: rgba(16, 185, 129, 0.2);
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 16px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

p {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.muted {
  color: var(--text-muted);
  font-size: 0.95rem;
}

code {
  background: var(--dark-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  color: #a8dadc;
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--dark-bg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-section {
  margin-bottom: 24px;
}

.form-section h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: #2563eb;
}

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-success:hover {
  background: #059669;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-secondary {
  background: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #3d444d;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.9rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ===== LAYOUT ===== */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.admin-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.inline-form {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.inline-form input {
  flex: 1;
  min-width: 250px;
}

/* ===== QUESTION BLOCK ===== */
.question-block {
  background: var(--dark-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.question-text {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-weight: 500;
}

/* ===== RECORDER ===== */
.recorder {
  background: rgba(59, 130, 246, 0.1);
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
}

.recorder-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.status {
  padding: 6px 12px;
  background: var(--border-color);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

audio {
  width: 100%;
  max-width: 100%;
  margin-top: 12px;
}

/* ===== STAT CARDS ===== */
.stat-card {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0;
}

.stat-label {
  color: var(--text-secondary);
  margin-top: 8px;
  margin-bottom: 0;
}

/* ===== LISTS ===== */
.submissions-list,
.questions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.submission-item,
.question-item {
  background: var(--dark-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.submission-info p {
  margin: 4px 0;
}

.question-item {
  flex-direction: column;
  align-items: stretch;
}

.edit-form,
.delete-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.edit-form {
  flex: 1;
  margin-bottom: 10px;
}

.edit-form input {
  flex: 1;
}

.delete-form {
  align-self: flex-start;
}

/* ===== TABLES ===== */
.table-responsive {
  overflow-x: auto;
  margin-top: 16px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background: rgba(59, 130, 246, 0.1);
  font-weight: 600;
  color: var(--text-primary);
}

.table tbody tr:hover {
  background: rgba(59, 130, 246, 0.05);
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning-color);
}

/* ===== SUBMISSION DETAILS ===== */
.submission-details {
  background: var(--dark-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.detail-row {
  margin-bottom: 16px;
}

.detail-row label {
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.detail-row p {
  margin: 0;
  color: var(--text-primary);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

/* ===== ALERTS & FLASHES ===== */
.flash-wrap {
  margin-bottom: 20px;
}

.flash {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 10px;
  border-left: 4px solid;
  animation: slideIn 0.3s ease;
}

.flash-success {
  background: rgba(16, 185, 129, 0.2);
  border-left-color: var(--success-color);
  color: var(--success-color);
}

.flash-danger {
  background: rgba(239, 68, 68, 0.2);
  border-left-color: var(--danger-color);
  color: var(--danger-color);
}

.flash-warning {
  background: rgba(245, 158, 11, 0.2);
  border-left-color: var(--warning-color);
  color: var(--warning-color);
}

.flash-info {
  background: rgba(59, 130, 246, 0.2);
  border-left-color: var(--primary-color);
  color: var(--primary-color);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 12px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.info-card {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  padding: 20px;
}

.info-card h3 {
  margin-top: 0;
  color: var(--primary-color);
}

.alert {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
}

/* ===== AUTH HEADER ===== */
.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.default-creds {
  background: var(--dark-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-top: 24px;
  margin-bottom: 16px;
}

.default-creds p {
  margin: 8px 0;
}

/* ===== SEPARATOR ===== */
hr {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 24px 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar .btn {
    width: 100%;
  }

  .submission-item,
  .question-item {
    flex-direction: column;
    align-items: stretch;
  }

  .edit-form,
  .delete-form {
    width: 100%;
  }

  .table {
    font-size: 0.9rem;
  }

  .table th,
  .table td {
    padding: 8px;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 12px;
  }

  .card {
    padding: 16px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .inline-form {
    flex-direction: column;
  }

  .inline-form input {
    min-width: unset;
  }
}