/* Adgenie PHP — Custom CSS (Tailwind-inspired) */
:root {
  --primary: #0f766e;
  --primary-fg: #fff;
  --accent: #f59e0b;
  --bg: #faf8f5;
  --card: #fff;
  --border: #e5e5e5;
  --muted: #6b7280;
  --fg: #1a1a1a;
  --emerald: #059669;
  --rose: #e11d48;
  --amber: #d97706;
  --sky: #0284c7;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--primary); text-decoration: none; }
.link { color: var(--primary); cursor: pointer; }

/* Auth page */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.auth-card { background: var(--card); border-radius: 16px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); padding: 32px; max-width: 420px; width: 100%; }
.auth-logo { text-align: center; margin-bottom: 24px; }
.auth-logo .logo-icon { font-size: 40px; }
.auth-logo h1 { font-size: 24px; color: var(--primary); }
.auth-logo p { font-size: 12px; color: var(--muted); }
.tabs { display: flex; gap: 4px; margin-bottom: 20px; }
.tab-btn { flex: 1; padding: 8px; border: 1px solid var(--border); background: transparent; cursor: pointer; border-radius: 8px; font-size: 14px; }
.tab-btn.active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.auth-form { display: none; }
.auth-form.active { display: block; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); outline: none; }
.form-group input[type=range] { padding: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 8px; margin-top: 16px; }
.error-msg { color: var(--rose); font-size: 13px; margin-top: 12px; padding: 8px; background: #fef2f2; border-radius: 8px; }

/* Buttons */
.btn { padding: 8px 16px; border: none; border-radius: 8px; cursor: pointer; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--fg); }
.btn-outline:hover { background: var(--bg); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; margin-bottom: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }

/* App layout */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 256px; background: var(--card); border-right: 1px solid var(--border); padding: 16px; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; }
.sidebar-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.sidebar-logo .logo-icon { font-size: 24px; }
.sidebar-logo .logo-text { font-size: 18px; font-weight: 700; }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-item { padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--muted); }
.nav-item:hover, .nav-item.active { background: var(--primary); color: var(--primary-fg); }
.sidebar-badge { text-align: center; font-size: 10px; color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 6px; }
.main { margin-left: 256px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* Topbar */
.topbar { height: 56px; border-bottom: 1px solid var(--border); background: var(--card); display: flex; align-items: center; padding: 0 24px; gap: 12px; }
.workspace-name { font-size: 14px; font-weight: 600; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.file-upload { cursor: pointer; display: inline-flex; }

/* Progress bar */
.progress-bar-container { display: flex; align-items: center; gap: 8px; padding: 6px 24px; border-bottom: 1px solid var(--border); background: var(--card); }
.progress-bar { height: 6px; flex: 1; background: #e5e5e5; border-radius: 3px; overflow: hidden; max-width: 200px; }
.progress-bar { height: 6px; background: var(--primary); border-radius: 3px; transition: width 0.5s; }
.progress-label { font-size: 10px; color: var(--muted); }

/* Tabs */
.tab-bar { display: flex; gap: 4px; padding: 8px 24px; border-bottom: 1px solid var(--border); background: var(--card); overflow-x: auto; }
.tab { padding: 6px 12px; border: none; background: transparent; cursor: pointer; font-size: 14px; color: var(--muted); border-radius: 8px; white-space: nowrap; }
.tab.active { background: var(--primary); color: var(--primary-fg); }
.tab:hover:not(.active) { background: #f3f4f6; }
.tab-content { flex: 1; padding: 24px; overflow-y: auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 20px; }
.card-highlight { border-color: var(--primary); background: rgba(15,118,110,0.05); }
.card h3 { font-size: 16px; margin-bottom: 12px; }
.card h2 { font-size: 24px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }

/* Presets */
.preset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 8px; }
.preset-btn { border: 1px solid var(--border); background: var(--bg); border-radius: 8px; padding: 12px; cursor: pointer; text-align: left; transition: border-color 0.2s; }
.preset-btn:hover { border-color: var(--primary); }
.preset-icon { font-size: 24px; margin-bottom: 4px; }
.preset-label { font-size: 11px; font-weight: 500; }

/* Crawl */
.crawl-input { display: flex; gap: 8px; margin-bottom: 12px; }
.crawl-input input { flex: 1; }

/* Competitor */
.competitor-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.competitor-num { width: 24px; height: 24px; border-radius: 50%; background: rgba(15,118,110,0.1); color: var(--primary); display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.competitor-input { flex: 1; padding: 6px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; }

/* Keyword cluster */
.cluster-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 12px; }
.cluster-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.kw-row { display: flex; align-items: center; justify-content: space-between; padding: 6px; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 4px; font-size: 13px; }
.kw-meta { display: flex; gap: 8px; align-items: center; }
.kw-badge { padding: 2px 6px; border-radius: 4px; font-size: 9px; font-weight: 500; }
.kw-exact { background: #d1fae5; color: #065f46; }
.kw-phrase { background: #fef3c7; color: #92400e; }
.kw-broad { background: #dbeafe; color: #1e40af; }
.kw-low { background: #d1fae5; color: #065f46; }
.kw-medium { background: #fef3c7; color: #92400e; }
.kw-high { background: #fee2e2; color: #991b1b; }

/* Ad copy variation */
.variation-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 12px; }
.variation-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
.serp-preview { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.serp-title { color: #1a0dab; font-size: 16px; font-weight: 500; margin: 4px 0; }
.serp-url { color: var(--muted); font-size: 12px; }
.serp-desc { font-size: 13px; color: #4b5563; }

/* Table */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { background: var(--primary); color: var(--primary-fg); padding: 8px 12px; text-align: left; }
.table td { padding: 6px 12px; border-bottom: 1px solid var(--border); }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal-content { background: var(--card); border-radius: 12px; max-width: 700px; width: 90%; max-height: 90vh; overflow: hidden; display: flex; flex-direction: column; }
.modal-header { padding: 16px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 16px; overflow-y: auto; flex: 1; }
.modal-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.modal-close { border: none; background: transparent; font-size: 24px; cursor: pointer; color: var(--muted); }

/* Angle chips */
.angle-chip { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 10px; font-weight: 500; margin: 2px; background: #f3f4f6; color: var(--muted); }
.angle-chip.active { background: var(--primary); color: var(--primary-fg); }

/* Spinner */
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { text-align: center; padding: 24px; }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px; text-align: center; }
.stat-label { font-size: 10px; text-transform: uppercase; color: var(--muted); }
.stat-value { font-size: 18px; font-weight: 700; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .sidebar-logo .logo-text, .sidebar-nav .nav-item span, .sidebar-badge { display: none; }
  .main { margin-left: 64px; }
  .form-grid { grid-template-columns: 1fr; }
  .preset-grid { grid-template-columns: 1fr 1fr; }
  .topbar-actions .btn-sm span { display: none; }
}