/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── CSS Variables ── */
:root {
  --bg: #f3f7ff;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --border: #e2e8f0;
  --text: #1a1a2e;
  --text-muted: #64748b;
  --accent: #8300ea;
  --accent-gradient: linear-gradient(135deg, #1d1d1d, #8300ea);
  --radius: 15px;
  --radius-pill: 100px;
  --shadow: 0 4px 24px rgba(131,0,234,0.08);
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --bg: #000000;
  --bg-card: #0a0a0a;
  --bg-input: #111111;
  --border: #1d1d1d;
  --text: #f0f0f0;
  --text-muted: #888888;
  --shadow: 0 4px 24px rgba(131,0,234,0.15);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links { display: flex; gap: 0.5rem; align-items: center; }
.nav-links a {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: var(--accent);
  color: #fff;
}

/* ── Theme toggle ── */
.theme-toggle {
  cursor: pointer;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 2rem; }

/* ── Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(131,0,234,0.15); }
.card:hover::before { opacity: 1; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-filter {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.btn-filter:hover { border-color: var(--accent); color: var(--accent); }
.btn-filter.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(131,0,234,0.1);
  box-shadow: 0 0 0 3px rgba(131,0,234,0.15);
}

.filter-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: #e53e3e;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

.btn-danger {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}
.btn-danger:hover { background: #dc2626; color: #fff; }
[data-theme="dark"] .btn-danger { background: rgba(220,38,38,0.15); border-color: rgba(220,38,38,0.4); }
[data-theme="dark"] .btn-danger:hover { background: #dc2626; }

.btn-ai {
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--radius-pill);
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.btn-ai:hover { background: var(--accent); color: #fff; }

/* ── Tabs ── */
.tabs { display: flex; gap: 0.25rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.tab-btn {
  padding: 0.6rem 1.2rem;
  border: none; background: none;
  cursor: pointer; color: var(--text-muted);
  font-size: 0.9rem; font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
  font-family: inherit;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Form ── */
.form-group { margin-bottom: 1rem; }
.form-label {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(131,0,234,0.1);
}
.form-textarea { resize: vertical; min-height: 80px; }

/* ── Regen panel ── */
.regen-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem;
  margin-top: 0.5rem;
  gap: 0.5rem;
  flex-direction: column;
}
.regen-panel.open { display: flex; }
.regen-hint {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.8rem;
  font-family: inherit;
}
.regen-hint:focus { outline: none; border-color: var(--accent); }
.regen-actions { display: flex; gap: 0.5rem; }

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg,
    var(--border) 25%,
    var(--bg-input) 50%,
    var(--border) 75%
  ) !important;
  background-size: 200% 100% !important;
  animation: shimmer 1.2s infinite;
  color: transparent !important;
}

/* ── CV list grid ── */
.cv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.cv-card-meta { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.4rem; }
.cv-card-spec { font-size: 0.9rem; color: var(--accent); font-weight: 600; margin-top: 0.25rem; }
.cv-card-stack { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ── Filter bar ── */
.filter-bar { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; align-items: center; }
.filter-bar .form-input { flex: 1; min-width: 150px; }

/* ── Filter panel ── */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0;
  margin-bottom: 1.25rem;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}
.filter-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-input);
}
.filter-panel-header span { font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; }
.filter-panel-close {
  background: var(--bg-card); border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 0.8rem; padding: 0.2rem 0.5rem;
  border-radius: 6px; transition: all 0.15s; line-height: 1.4;
}
.filter-panel-close:hover { color: var(--text); border-color: var(--text-muted); }

.filter-panel-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.filter-section {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.filter-section:nth-child(odd) { border-right: 1px solid var(--border); }
.filter-section-full {
  grid-column: 1 / -1;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.filter-section-title {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  color: var(--text-muted); letter-spacing: 0.06em; margin-bottom: 0.6rem;
}
.filter-chips-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip {
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  border: 1.5px solid rgba(131,0,234,0.35);
  background: rgba(131,0,234,0.05);
  color: #8300ea;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-weight: 600;
}
.chip:hover {
  border-color: #8300ea;
  background: rgba(131,0,234,0.1);
}
.chip.active {
  background: rgba(131,0,234,0.15);
  border-color: #8300ea;
  color: #8300ea;
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(131,0,234,0.15);
}
[data-theme="dark"] .chip { color: #c084fc; border-color: rgba(192,132,252,0.35); background: rgba(192,132,252,0.07); }
[data-theme="dark"] .chip:hover { border-color: #c084fc; background: rgba(192,132,252,0.12); }
[data-theme="dark"] .chip.active { color: #c084fc; border-color: #c084fc; background: rgba(192,132,252,0.15); box-shadow: 0 0 0 2px rgba(192,132,252,0.15); }
.filter-date-row { display: flex; gap: 0.75rem; align-items: center; }
.filter-date-row .form-input { flex: 1; }
.filter-date-sep { color: var(--text-muted); font-size: 0.8rem; flex-shrink: 0; }

.filter-panel-footer {
  display: flex; gap: 0.75rem; justify-content: flex-end;
  padding: 0.85rem 1.5rem;
  background: var(--bg-input);
  border-top: 1px solid var(--border);
}

/* ── CV Type tags ── */
.cv-card { cursor: pointer; }
.cv-card-top { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.cv-tag {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.tag-generated { background: rgba(131,0,234,0.12); color: var(--accent); border: 1px solid rgba(131,0,234,0.25); }
.tag-our { background: rgba(16,185,129,0.12); color: #059669; border: 1px solid rgba(16,185,129,0.3); }
.tag-partner { background: rgba(245,158,11,0.12); color: #d97706; border: 1px solid rgba(245,158,11,0.3); }
[data-theme="dark"] .tag-our { color: #34d399; }
[data-theme="dark"] .tag-partner { color: #fbbf24; }

/* ── Upload menu ── */
.upload-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  min-width: 220px;
  z-index: 100;
  overflow: hidden;
}
.upload-menu-item {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 0.65rem 1rem;
  background: none; border: none; cursor: pointer;
  transition: background 0.15s;
}
.upload-menu-item:hover { background: var(--bg-input); }
.upload-menu-item .cv-tag {
  font-size: 0.82rem;
  padding: 0.3rem 1rem;
  pointer-events: none;
}

/* ── CV Detail layout ── */
.cv-detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .cv-detail-layout { grid-template-columns: 1fr; } }
.cv-preview-sticky { position: sticky; top: 80px; }

/* ── Project accordion ── */
.project-accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
}
.project-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1rem;
  background: var(--bg-card);
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition);
  user-select: none;
}
.project-header:hover { background: var(--bg-input); }
.project-body {
  padding: 1rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  display: none;
}
.project-body.open { display: block; }
.project-chevron {
  transition: transform var(--transition);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.project-header.open .project-chevron { transform: rotate(180deg); }
.btn-project-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.2rem 0.4rem;
  border-radius: 5px;
  transition: all var(--transition);
  opacity: 0.55;
  flex-shrink: 0;
}
.btn-project-delete:hover {
  background: #fee2e2;
  color: #dc2626;
  opacity: 1;
}
[data-theme="dark"] .btn-project-delete:hover {
  background: rgba(220, 38, 38, 0.2);
  color: #f87171;
}

/* ── Admin sidebar layout ── */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}
.admin-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
}
.admin-sidebar .sidebar-label {
  font-size: 0.7rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase;
  padding: 0 0.9rem; margin-bottom: 0.75rem;
  display: block;
}
.admin-sidebar a {
  display: block; padding: 0.6rem 0.9rem;
  border-radius: 8px; color: var(--text-muted);
  text-decoration: none; font-size: 0.875rem;
  transition: all var(--transition); margin-bottom: 0.25rem;
}
.admin-sidebar a:hover { background: var(--bg-input); color: var(--text); }
.admin-sidebar a.active { background: var(--accent); color: #fff; }
.admin-content { padding: 1.5rem; }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table th {
  text-align: left; padding: 0.6rem 0.8rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted); font-weight: 600;
  font-size: 0.75rem; text-transform: uppercase;
}
.data-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-input); }

/* ── Badges ── */
.badge {
  display: inline-block; padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill); font-size: 0.7rem; font-weight: 700;
}
.badge-admin { background: rgba(131,0,234,0.15); color: var(--accent); }
.badge-user { background: var(--bg-input); color: var(--text-muted); border: 1px solid var(--border); }

/* ── Stats cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.stat-card { text-align: center; padding: 1.5rem; }
.stat-number { font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ── Login page ── */
.login-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  padding: 1rem;
}
.login-card { width: 100%; max-width: 380px; }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.25rem; }
.login-sub { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1.5rem; }

/* ── Alerts ── */
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error { background: #fee2e2; color: #dc2626; border: 1px solid #fca5a5; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
[data-theme="dark"] .alert-error { background: rgba(220,38,38,0.15); color: #f87171; border-color: rgba(220,38,38,0.3); }
[data-theme="dark"] .alert-success { background: rgba(16,185,129,0.15); color: #34d399; border-color: rgba(16,185,129,0.3); }

/* ── Preview panel ── */
.cv-preview {
  font-size: 0.82rem;
  line-height: 1.7;
}
.cv-preview h3 { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.preview-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.2rem; }
.preview-spec { color: var(--accent); font-weight: 600; margin-bottom: 0.75rem; font-size: 0.9rem; }
.preview-row { margin-bottom: 0.3rem; }
.preview-label { font-weight: 600; color: var(--text-muted); font-size: 0.75rem; }
.preview-divider { border: none; border-top: 1px solid var(--border); margin: 0.75rem 0; }

/* ── Spinner ── */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Generate prompt area ── */
.prompt-area { min-height: 120px; }
.generate-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.4rem; }

/* ── Password form inline ── */
.pw-form {
  display: none;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.pw-form.open { display: flex; }

/* ── Section heading ── */
.section-title {
  font-size: 0.8rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 1rem;
}

/* ── Page header ── */
.page-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.5rem; flex-wrap: wrap;
}
.page-header h1 { font-size: 1.15rem; font-weight: 700; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-header-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }