/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --primary:       #0B1E3F;
  --primary-light: #1a3560;
  --accent:        #1E90FF;
  --accent-hover:  #1a7de0;
  --accent-muted:  #e8f3ff;
  --teal:          #00C2A8;
  --bg:            #F1F5F9;
  --surface:       #FFFFFF;
  --border:        #E2E8F0;
  --border-focus:  #1E90FF;
  --text:          #0F172A;
  --muted:         #64748B;
  --success:       #10B981;
  --danger:        #EF4444;
  --warning:       #F59E0B;
  --radius:        10px;
  --radius-lg:     16px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --shadow:        0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.12);
  --transition:    .18s ease;
}

/* ── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 15px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Navbar ─────────────────────────────────────────────────────────────── */
.app-nav {
  background: var(--primary);
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-nav .brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.app-nav .brand span { color: var(--accent); }

.app-nav .nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex: 1;
}

.app-nav .nav-link {
  color: rgba(255,255,255,.7);
  font-size: .875rem;
  font-weight: 500;
  padding: .4rem .75rem;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.app-nav .nav-link:hover,
.app-nav .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.1);
}

.app-nav .nav-right {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
}

.app-nav .user-badge {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
}

.btn-logout {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  padding: .3rem .75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-logout:hover {
  background: rgba(255,255,255,.18);
  color: #fff;
}

/* ── Page wrapper ───────────────────────────────────────────────────────── */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.page-header {
  margin-bottom: 1.75rem;
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 .25rem;
}
.page-header p {
  color: var(--muted);
  font-size: .9rem;
  margin: 0;
}

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: #FAFBFC;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-header h2,
.card-header h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.card-body { padding: 1.25rem; }

/* ── Form controls ──────────────────────────────────────────────────────── */
.form-label {
  font-size: .825rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
  display: block;
}

.form-control,
.form-select {
  width: 100%;
  padding: .55rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .9rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(30,144,255,.12);
}

textarea.form-control { resize: vertical; }

.form-text {
  font-size: .78rem;
  color: var(--muted);
  margin-top: .3rem;
}

.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  box-shadow: 0 2px 8px rgba(30,144,255,.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover:not(:disabled) {
  background: var(--accent-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg);
  color: var(--text);
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn-success:hover:not(:disabled) {
  background: #0da374;
  box-shadow: 0 2px 8px rgba(16,185,129,.3);
}

.btn-sm {
  padding: .3rem .7rem;
  font-size: .8rem;
}

.btn-lg {
  padding: .65rem 1.5rem;
  font-size: .95rem;
}

/* ── Platform toggle buttons ────────────────────────────────────────────── */
.platform-group {
  display: flex;
  gap: .5rem;
}

.platform-group input[type="radio"] { display: none; }

.platform-group label {
  padding: .45rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.platform-group input[type="radio"]:checked + label {
  border-color: var(--accent);
  background: var(--accent-muted);
  color: var(--accent);
}
.platform-group label:hover { border-color: var(--accent); color: var(--accent); }

/* ── Log box ────────────────────────────────────────────────────────────── */
.log-box {
  background: #0F172A;
  border-radius: var(--radius);
  padding: .85rem 1rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: .8rem;
  line-height: 1.9;
  color: #94A3B8;
  max-height: 200px;
  overflow-y: auto;
}
.log-box .log-line { display: flex; gap: .5rem; }
.log-box .log-line.error { color: #FC8181; }
.log-box .log-line.done { color: #68D391; }
.log-box .log-line.image { color: #76E4F7; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.badge-draft    { background: #F1F5F9; color: var(--muted); }
.badge-scheduled { background: #EFF6FF; color: #1D4ED8; }
.badge-posted   { background: #ECFDF5; color: #065F46; }
.badge-failed   { background: #FEF2F2; color: #991B1B; }

.badge-linkedin  { background: #EFF6FF; color: #1D4ED8; }
.badge-instagram { background: #FFF0F6; color: #9D174D; }
.badge-both      { background: #F5F3FF; color: #5B21B6; }

/* ── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
  padding: .7rem 1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.alert-danger   { background: #FEF2F2; color: #991B1B; border-color: #FECACA; }
.alert-warning  { background: #FFFBEB; color: #92400E; border-color: #FDE68A; }
.alert-success  { background: #ECFDF5; color: #065F46; border-color: #A7F3D0; }
.alert-info     { background: #EFF6FF; color: #1E40AF; border-color: #BFDBFE; }

/* ── Divider ────────────────────────────────────────────────────────────── */
hr { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

/* ── Login page ─────────────────────────────────────────────────────────── */
.login-page {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-card .card-header {
  text-align: center;
  padding: 1.75rem 1.5rem 1rem;
  background: transparent;
  border-bottom: none;
}

.login-card .card-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 .25rem;
}
.login-card .card-header p { color: var(--muted); font-size: .875rem; margin: 0; }

.login-card .card-body { padding: 1.25rem 1.75rem 1.75rem; }

/* ── Posts list table ───────────────────────────────────────────────────── */
.posts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.posts-table th {
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .65rem 1rem;
  border-bottom: 1.5px solid var(--border);
  background: #FAFBFC;
}

.posts-table td {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

.posts-table tr:hover td { background: #EFF6FF; }
.posts-table-row { cursor: pointer; }

.post-text-preview {
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--muted);
  font-size: .82rem;
}

.post-thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.post-thumb-empty {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border);
  font-size: 1.25rem;
}

/* ── Preview cards ──────────────────────────────────────────────────────── */
.preview-card .card-header { background: var(--primary); }
.preview-card .card-header strong { color: #fff; }
.preview-card .card-header .badge { background: rgba(255,255,255,.15); color: #fff; }

.image-prompt-box {
  background: #F8FAFC;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem;
  font-size: .8rem;
  color: var(--muted);
  white-space: pre-wrap;
  margin-top: .5rem;
}

.toggle-prompt-link {
  font-size: .8rem;
  color: var(--muted);
  cursor: pointer;
}
.toggle-prompt-link:hover { color: var(--accent); }

/* ── Branding cards ─────────────────────────────────────────────────────── */
.branding-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  background: var(--surface);
  transition: box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.branding-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.branding-card .brand-name { font-weight: 700; font-size: .95rem; color: var(--text); }
.branding-card .brand-tagline { font-size: .8rem; color: var(--muted); margin-top: .15rem; }
.branding-card .brand-logo {
  max-height: 48px;
  max-width: 120px;
  object-fit: contain;
  margin-top: .75rem;
}
.branding-card .color-dots {
  display: flex;
  gap: .3rem;
  margin-top: .75rem;
  flex-wrap: wrap;
}
.branding-card .color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.08);
}

/* ── Utility ────────────────────────────────────────────────────────────── */
.text-muted   { color: var(--muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-accent  { color: var(--accent) !important; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.small  { font-size: .82rem; }
.gap-2  { gap: .5rem; }
.gap-3  { gap: .75rem; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.mt-1 { margin-top: .25rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1.25rem; }
.ms-auto { margin-left: auto; }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #CBD5E1; }

/* ── Burger button ───────────────────────────────────────────────────────── */
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 7px;
  cursor: pointer;
  padding: 0 9px;
  flex-shrink: 0;
}
.burger-btn span {
  display: block;
  height: 2px;
  background: rgba(255,255,255,.85);
  border-radius: 2px;
  transition: transform .22s ease, opacity .22s ease, width .22s ease;
  transform-origin: center;
}
.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; width: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile drawer ───────────────────────────────────────────────────────── */
.nav-drawer {
  position: fixed;
  top: 60px;
  right: 0;
  width: 240px;
  height: calc(100vh - 60px);
  background: var(--primary);
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: 1rem .75rem;
  transform: translateX(100%);
  transition: transform .25s ease;
  overflow-y: auto;
}
.nav-drawer.open { transform: translateX(0); }

.nav-drawer .nav-link {
  display: block;
  padding: .65rem .85rem;
  border-radius: 8px;
  font-size: .9rem;
}

.drawer-divider {
  border-top: 1px solid rgba(255,255,255,.1);
  margin: .75rem 0 .5rem;
}

.drawer-logout-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  background: rgba(239, 68, 68, .18);
  border-color: rgba(239, 68, 68, .45);
  color: #fecaca;
  margin-top: .25rem;
}
.drawer-logout-btn:hover {
  background: rgba(239, 68, 68, .28);
  color: #fff;
}

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 60px 0 0 0;
  background: rgba(0,0,0,.35);
  z-index: 98;
}
.drawer-overlay.open { display: block; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-nav { padding: 0 1rem; gap: 1rem; }
  .page { padding: 1.25rem 1rem; }
  .posts-table { font-size: .8rem; }
  .posts-table th, .posts-table td { padding: .6rem .6rem; }
  .platform-group label { padding: .4rem .75rem; font-size: .8rem; }
  .burger-btn { display: flex; }
  .nav-links { display: none !important; }
  .nav-hide-mobile { display: none !important; }
}