/* ============================================================
   Meta Ads Dashboard — Theme Variables
   ============================================================ */

/* Default: dark */
:root {
  --bg:         #0f1117;
  --surface:    #1a1d27;
  --surface2:   #222536;
  --border:     #2e3148;
  --text:       #e2e4f0;
  --text-muted: #7b80a0;
  --accent:     #4f7cf7;
  --accent-dim: #2a3d7a;
  --green:      #34d399;
  --yellow:     #fbbf24;
  --red:        #f87171;
  --orange:     #fb923c;
  --radius:     8px;
  --shadow:     0 2px 12px rgba(0,0,0,.4);
}

/* Light theme */
:root.light {
  --bg:         #f3f4f8;
  --surface:    #ffffff;
  --surface2:   #f0f1f5;
  --border:     #d8dae6;
  --text:       #111827;
  --text-muted: #6b7280;
  --accent:     #3b6ef5;
  --accent-dim: #dbeafe;
  --green:      #059669;
  --yellow:     #d97706;
  --red:        #dc2626;
  --orange:     #ea580c;
  --shadow:     0 2px 12px rgba(0,0,0,.08);
}

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

.hidden { display: none !important; }
.admin-connection-only-hide { display: none; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ---- HEADER ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo { font-size: 1.4rem; }

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.control-group label {
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.35rem 2rem 0.35rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237b80a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  min-width: 180px;
}

select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.btn-theme {
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.35rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  transition: background 0.15s;
}
.btn-theme:hover { background: var(--border); }

.btn-refresh {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-refresh:hover { background: var(--accent); color: #fff; }
.btn-refresh:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---- MAIN ---- */
.main {
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.main-layout {
  display: grid;
  grid-template-columns: 1fr 30%;
  gap: 1.5rem;
  align-items: start;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0; /* prevents grid blowout */
}

/* ---- ERROR BANNER ---- */
.error-banner {
  background: #3b0f0f;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}
.error-banner.hidden { display: none; }

/* ---- CARDS ---- */
.cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--accent); }

.card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.card-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ---- SECTIONS ---- */
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.section-badge {
  background: var(--surface2);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
}

.status-badge {
  display: inline-block;
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.status-active   { background: #16a34a22; color: #16a34a; }
.status-inactive { background: #64748b22; color: #64748b; }

.section-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}
.section-hint strong { color: var(--text); }

/* ---- TABLES ---- */
.table-wrapper {
  overflow-x: auto;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

thead {
  background: var(--surface2);
  top: 57px; /* below header */
}

th {
  padding: 0.6rem 0.8rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

th.num, td.num { text-align: right; }

td {
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }

tbody tr:hover { background: var(--surface2); }

.empty-row {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem !important;
  font-style: italic;
}

/* ---- CAMPAIGN FILTER ---- */
.campaign-row { cursor: pointer; }

tbody .campaign-row:hover { background: var(--surface2); }

tr.row-selected td { background: rgba(79,124,247,.08) !important; }

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filter-tag .clear-filter {
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  opacity: 0.7;
}
.filter-tag .clear-filter:hover { opacity: 1; }
.filter-tag.hidden { display: none; }

/* ---- AD THUMBNAIL ---- */
.ad-thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
  background: var(--surface2);
}

.ad-thumb-placeholder {
  width: 52px;
  height: 52px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ---- STATUS BADGES ---- */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-active   { background: rgba(52,211,153,.15); color: var(--green);  }
.badge-paused   { background: rgba(123,128,160,.15); color: var(--text-muted); }
.badge-learning { background: rgba(251,191,36,.15);  color: var(--yellow); }
.badge-limited  { background: rgba(248,113,113,.15); color: var(--red);    }
.badge-success  { background: rgba(52,211,153,.15);  color: var(--green);  }
.badge-unknown  { background: rgba(123,128,160,.15); color: var(--text-muted); }

/* ---- FOOTER ---- */
.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 1rem;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

/* ---- SPINNER ---- */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- LOADING STATE ---- */
.loading-row td {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem !important;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 960px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .ai-sidebar {
    position: static;
    max-height: none;
  }
}

@media (max-width: 700px) {
  .header { flex-direction: column; align-items: flex-start; }
  .header-controls { width: 100%; }
  select { min-width: unset; width: 100%; }
}

/* ---- AI RECOMMENDATIONS SIDEBAR ---- */
.ai-sidebar {
  position: sticky;
  top: calc(57px + 1.5rem);
  max-height: calc(100vh - 57px - 3rem);
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.ai-icon {
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
}

.ai-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.btn-ai-action {
  width: 100%;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.btn-ai-action:hover:not(:disabled) { background: var(--accent); color: #fff; }
.btn-ai-action:disabled { opacity: 0.38; cursor: not-allowed; }

.btn-ai-report {
  width: 100%;
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.btn-ai-report:hover:not(:disabled) { background: var(--border); color: var(--text); }
.btn-ai-report:disabled { opacity: 0.38; cursor: not-allowed; }

.ai-placeholder {
  color: var(--text-muted);
  font-size: 0.83rem;
  line-height: 1.6;
  text-align: center;
  padding: 2rem 0.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.ai-loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.ai-dots span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin: 0 2px;
  animation: ai-pulse 1.2s ease-in-out infinite;
}
.ai-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes ai-pulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40%           { opacity: 1;   transform: scale(1);   }
}

.ai-rec-item {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface2);
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  line-height: 1.65;
}
.ai-rec-item:last-child { margin-bottom: 0; }

.ai-rec-item strong {
  color: var(--accent);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.88rem;
}

.ai-rec-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text);
}

.ai-error {
  color: var(--red);
  background: rgba(248, 113, 113, .08);
  border: 1px solid rgba(248, 113, 113, .3);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 2.2rem;
  width: 100%;
  max-width: 380px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.field-group label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.field-group input,
.field-group textarea,
.field-group select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  width: 100%;
  transition: border-color 0.15s;
}

.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.field-group textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

.btn-login {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: opacity 0.15s;
}
.btn-login:hover:not(:disabled) { opacity: 0.88; }
.btn-login:disabled { opacity: 0.5; cursor: not-allowed; }

.login-error {
  color: var(--red);
  background: rgba(248, 113, 113, .08);
  border: 1px solid rgba(248, 113, 113, .25);
  border-radius: var(--radius);
  padding: 0.55rem 0.75rem;
  font-size: 0.83rem;
  margin-top: 0.75rem;
}
.login-error.hidden { display: none; }

/* ============================================================
   HEADER ADDITIONS
   ============================================================ */
.header-username {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================================
   SETTINGS MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.4rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}
.modal-close:hover { background: var(--surface2); color: var(--text); }

.modal-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding: 0 1.4rem;
  padding-top: 0.5rem;
}

.modal-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}
.modal-tab:hover { color: var(--text); }
.modal-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.modal-tab.hidden { display: none; }

.modal-pane {
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.modal-pane.hidden { display: none; }

.modal-section h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.modal-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.token-status-row {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.meta-creds-status {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1rem;
  padding: 0.6rem 0.85rem;
  background: var(--surface2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.cred-status-item {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.token-status--ok {
  color: var(--green);
  font-weight: 600;
}

.token-status--missing {
  color: var(--yellow);
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.5rem 1.1rem;
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-primary:hover:not(:disabled) { opacity: 0.88; }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }

.modal-feedback {
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  margin-top: 0.6rem;
}
.modal-feedback.hidden { display: none; }

.modal-error {
  color: var(--red);
  background: rgba(248, 113, 113, .08);
  border: 1px solid rgba(248, 113, 113, .25);
}

.modal-success {
  color: var(--green);
  background: rgba(52, 211, 153, .08);
  border: 1px solid rgba(52, 211, 153, .25);
}

/* ============================================================
   ADMIN USER TABLE
   ============================================================ */
.admin-user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-user-table th {
  background: var(--surface2);
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.admin-user-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.admin-user-table tr:last-child td { border-bottom: none; }

.btn-small {
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-right: 0.3rem;
}
.btn-small:hover { background: var(--border); color: var(--text); }

.btn-delete-user:hover {
  background: rgba(248, 113, 113, .15);
  color: var(--red);
  border-color: rgba(248, 113, 113, .4);
}

.admin-create-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.admin-create-form .field-group:nth-child(5),
.admin-create-form .btn-primary {
  grid-column: 1 / -1;
}

/* ---- Windsor connection status ---- */
.windsor-status-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}

/* Multi-datasource list in Connection pane */
.windsor-ds-list { display: flex; flex-direction: column; gap: 0.4rem; }
.windsor-ds-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.4rem 0.75rem; font-size: 0.85rem;
}
.windsor-ds-item span { color: var(--text-secondary); }
/* Datasource chip in admin table */
.ds-chip {
  display: inline-block; font-size: 0.75rem; padding: 0.15rem 0.5rem;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent); border-radius: 10px; margin: 1px 2px; white-space: nowrap;
}

.btn-generate-link {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  white-space: nowrap;
}
.btn-generate-link:hover { background: var(--accent); color: #fff; }

/* ---- Facebook OAuth button ---- */
.btn-facebook {
  display:         inline-flex;
  align-items:     center;
  gap:             0.6rem;
  background:      #1877f2;
  color:           #fff;
  border:          none;
  border-radius:   6px;
  padding:         0.55rem 1.1rem;
  font-size:       0.9rem;
  font-weight:     600;
  cursor:          pointer;
  text-decoration: none;
  transition:      background 0.15s;
}
.btn-facebook:hover { background: #1565d8; }

/* ---- "or configure manually" divider ---- */
.modal-divider {
  display:    flex;
  align-items: center;
  gap:        0.75rem;
  color:      var(--text-muted);
  font-size:  0.8rem;
  margin:     1rem 0 0.75rem;
}
.modal-divider::before,
.modal-divider::after {
  content:    '';
  flex:       1;
  height:     1px;
  background: var(--border);
}