/* ================================================================
   CHOCO AI — PAGES CSS (login, register, credit, admin, etc.)
   Uses the same palette as chat.css
   ================================================================ */

/* ── Variables (mirrors chat.css) ── */
:root {
  --pg-bg:          #f5f0ea;
  --pg-surface:     #eeebe4;
  --pg-card:        #ffffff;
  --pg-border:      rgba(0,0,0,0.09);
  --pg-border-inp:  rgba(0,0,0,0.13);
  --pg-text:        #1a1512;
  --pg-muted:       #6b6057;
  --pg-dim:         #9e9488;
  --pg-accent:      #c96b3a;
  --pg-accent-lt:   #e07b46;
  --pg-hover:       rgba(0,0,0,0.045);
  --pg-r:           10px;
  --pg-r-sm:        6px;
  --pg-font:        'Inter', -apple-system, 'Segoe UI', sans-serif;
}

/* ── Base ── */
.pg-body {
  background: var(--pg-bg);
  color: var(--pg-text);
  font-family: var(--pg-font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.pg-body * { box-sizing: border-box; }

/* ================================================================
   AUTH PAGES (login / register)
   ================================================================ */
.pg-auth-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  gap: 1.5rem;
}

/* Logo */
.pg-auth-logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--pg-text);
  text-decoration: none;
}

.pg-logo-icon {
  color: var(--pg-accent);
  font-size: 0.9rem;
}

/* Auth Card */
.pg-auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--pg-card);
  border: 1px solid var(--pg-border-inp);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}

.pg-auth-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.pg-auth-title {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--pg-text);
  margin-bottom: 0.35rem;
}

.pg-auth-sub {
  font-size: 0.88rem;
  color: var(--pg-muted);
}

/* Form */
.pg-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.pg-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.pg-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pg-dim);
}

.pg-input {
  width: 100%;
  padding: 0.72rem 1rem;
  background: var(--pg-bg);
  border: 1px solid var(--pg-border-inp);
  border-radius: var(--pg-r-sm);
  color: var(--pg-text);
  font-size: 0.95rem;
  font-family: var(--pg-font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

.pg-input:focus {
  border-color: rgba(201,107,58,0.45);
  box-shadow: 0 0 0 3px rgba(201,107,58,0.12);
}

.pg-input::placeholder {
  color: var(--pg-dim);
}

.pg-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Primary Button */
.pg-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.5rem;
  background: var(--pg-accent);
  color: #fff;
  border: none;
  border-radius: var(--pg-r-sm);
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--pg-font);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(201,107,58,0.3);
  margin-top: 0.25rem;
}

.pg-btn-primary:hover {
  background: var(--pg-accent-lt);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201,107,58,0.35);
}

.pg-btn-primary:active {
  transform: translateY(0);
}

.pg-btn-sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  align-self: flex-start;
}

/* Auth switch link */
.pg-auth-switch {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--pg-muted);
}

.pg-auth-link {
  color: var(--pg-accent);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}

.pg-auth-link:hover {
  opacity: 0.75;
}

.pg-auth-footer {
  font-size: 0.78rem;
  color: var(--pg-dim);
}

/* Flash messages */
.pg-flash-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.pg-flash {
  padding: 0.7rem 1rem;
  border-radius: var(--pg-r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 3px solid;
}

.pg-flash-danger, .pg-flash-error {
  background: rgba(220,38,38,0.08);
  border-color: #dc2626;
  color: #991b1b;
}

.pg-flash-success {
  background: rgba(22,163,74,0.08);
  border-color: #16a34a;
  color: #15803d;
}

.pg-flash-warning {
  background: rgba(201,107,58,0.1);
  border-color: var(--pg-accent);
  color: #92400e;
}

/* ================================================================
   TOPNAV (pages with nav bar)
   ================================================================ */
.pg-page-body {
  overflow-y: auto;
  overflow-x: hidden;
}

.pg-topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,240,234,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--pg-border);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pg-topnav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pg-topnav-link {
  padding: 0.4rem 0.85rem;
  border-radius: var(--pg-r-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pg-muted);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.pg-topnav-link:hover {
  background: var(--pg-hover);
  color: var(--pg-text);
}

.pg-topnav-active {
  background: rgba(201,107,58,0.09);
  color: var(--pg-accent);
}

.pg-topnav-danger {
  color: #dc2626;
}

.pg-topnav-danger:hover {
  background: rgba(220,38,38,0.07);
  color: #dc2626;
}

/* ================================================================
   PAGE MAIN LAYOUT
   ================================================================ */
.pg-page-main {
  padding: 2.5rem 1.5rem 4rem;
}

.pg-page-inner {
  max-width: 900px;
  margin: 0 auto;
}

.pg-admin-inner {
  max-width: 1100px;
}

/* Page heading */
.pg-page-heading {
  text-align: center;
  margin-bottom: 2.5rem;
}

.pg-page-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(201,107,58,0.1);
  border: 1px solid rgba(201,107,58,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.pg-page-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--pg-text);
  margin-bottom: 0.4rem;
}

.pg-page-desc {
  font-size: 0.92rem;
  color: var(--pg-muted);
}

/* Section heading */
.pg-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--pg-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pg-section-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--pg-accent);
  border-radius: 2px;
  display: inline-block;
}

/* ================================================================
   CREDIT PAGE
   ================================================================ */
.pg-credit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.pg-credit-large {
  grid-column: span 2;
}

@media (max-width: 640px) {
  .pg-credit-large {
    grid-column: span 1;
  }
}

.pg-credit-card {
  background: var(--pg-card);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-r);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pg-credit-card:hover {
  border-color: rgba(201,107,58,0.25);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.pg-credit-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--pg-accent);
  margin-bottom: 0.75rem;
}

.pg-credit-card p {
  font-size: 0.9rem;
  color: var(--pg-muted);
  line-height: 1.7;
}

.pg-credit-dev {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.pg-dev-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pg-accent) 0%, #a85228 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pg-credit-dev strong {
  display: block;
  font-size: 0.9rem;
  color: var(--pg-text);
}

.pg-credit-dev span {
  font-size: 0.8rem;
  color: var(--pg-muted);
}

.pg-credit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pg-credit-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--pg-muted);
}

.pg-credit-tag {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(201,107,58,0.1);
  color: var(--pg-accent);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(201,107,58,0.2);
  flex-shrink: 0;
}

/* ================================================================
   ADMIN PAGES
   ================================================================ */
.pg-admin-section {
  margin-bottom: 2.5rem;
}

.pg-admin-card {
  background: var(--pg-card);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-r);
  padding: 1.5rem;
  overflow: hidden;
}

/* Stats */
.pg-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.pg-stat-card {
  background: var(--pg-card);
  border: 1px solid var(--pg-border);
  border-radius: var(--pg-r);
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s;
}

.pg-stat-card:hover {
  border-color: rgba(201,107,58,0.3);
}

.pg-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(201,107,58,0.1);
  border: 1px solid rgba(201,107,58,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pg-stat-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.pg-stat-num {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--pg-text);
  line-height: 1;
}

.pg-stat-label {
  font-size: 0.8rem;
  color: var(--pg-muted);
  font-weight: 500;
}

/* Table */
.pg-table-wrap {
  overflow-x: auto;
  margin-top: 1.25rem;
  border-radius: var(--pg-r-sm);
  border: 1px solid var(--pg-border);
}

.pg-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.pg-table thead {
  background: var(--pg-surface);
}

.pg-table th {
  text-align: left;
  padding: 0.7rem 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pg-dim);
  border-bottom: 1px solid var(--pg-border);
  white-space: nowrap;
}

.pg-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--pg-border);
  color: var(--pg-text);
  vertical-align: middle;
}

.pg-table tbody tr:last-child td {
  border-bottom: none;
}

.pg-table tbody tr:hover td {
  background: var(--pg-hover);
}

.pg-td-key {
  font-weight: 600;
  color: var(--pg-accent) !important;
}

.pg-td-text {
  max-width: 300px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  color: var(--pg-muted) !important;
}

.pg-td-time {
  font-size: 0.78rem;
  color: var(--pg-dim) !important;
  white-space: nowrap;
}

.pg-td-emoji {
  font-size: 1.15rem;
  text-align: center;
}

/* User row */
.pg-user-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pg-user-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pg-accent) 0%, #a85228 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Badges */
.pg-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

.pg-badge-admin {
  background: rgba(201,107,58,0.12);
  color: var(--pg-accent);
  border: 1px solid rgba(201,107,58,0.25);
}

.pg-badge-user {
  background: var(--pg-hover);
  color: var(--pg-muted);
  border: 1px solid var(--pg-border);
}

/* Select */
.pg-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--pg-bg);
  border: 1px solid var(--pg-border-inp);
  border-radius: var(--pg-r-sm);
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-family: var(--pg-font);
  color: var(--pg-text);
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}

.pg-select:focus {
  border-color: rgba(201,107,58,0.4);
}

/* Action buttons */
.pg-btn-danger-sm {
  padding: 0.35rem 0.75rem;
  border-radius: var(--pg-r-sm);
  background: rgba(220,38,38,0.08);
  color: #dc2626;
  border: 1px solid rgba(220,38,38,0.2);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--pg-font);
  cursor: pointer;
  transition: background 0.15s;
}

.pg-btn-danger-sm:hover {
  background: rgba(220,38,38,0.15);
}

.pg-btn-success-sm {
  padding: 0.35rem 0.75rem;
  border-radius: var(--pg-r-sm);
  background: rgba(22,163,74,0.08);
  color: #16a34a;
  border: 1px solid rgba(22,163,74,0.2);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--pg-font);
  cursor: pointer;
  transition: background 0.15s;
}

.pg-btn-success-sm:hover {
  background: rgba(22,163,74,0.15);
}

.pg-self-label {
  font-size: 0.82rem;
  color: var(--pg-dim);
  font-style: italic;
}

.pg-empty-text {
  font-size: 0.875rem;
  color: var(--pg-dim);
  text-align: center;
  padding: 2rem 0;
}

/* Form inline (admin add Q&A) */
.pg-form-inline {
  border-bottom: 1px solid var(--pg-border);
  padding-bottom: 1.5rem;
  margin-bottom: 0;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .pg-auth-card {
    padding: 1.5rem;
  }

  .pg-credit-grid {
    grid-template-columns: 1fr;
  }

  .pg-topnav {
    padding: 0.65rem 1rem;
  }

  .pg-topnav-links {
    gap: 0;
  }

  .pg-topnav-link {
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
  }

  .pg-page-main {
    padding: 1.5rem 1rem 3rem;
  }
}