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

:root {
  --bg:          #0f1117;
  --bg-card:     #1a1d27;
  --bg-input:    #252836;
  --sidebar:     #12151e;
  --border:      #2a2d3e;
  --accent:      #6366f1;
  --accent-dim:  rgba(99,102,241,0.15);
  --success:     #10b981;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --text:        #e2e8f0;
  --text-muted:  #64748b;
  --text-dim:    #94a3b8;
  --sidebar-w:   230px;
  --radius:      8px;
  --radius-sm:   5px;
}

html, body { height: 100%; font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
small { font-size: 12px; color: var(--text-muted); }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto; flex-shrink: 0;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px; border-bottom: 1px solid var(--border);
}
.brand-icon { font-size: 22px; font-weight: 900; color: var(--accent); background: var(--accent-dim); width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.brand-name { font-size: 15px; font-weight: 700; letter-spacing: -.3px; color: var(--text); }

.sidebar-nav { padding: 10px 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-dim); transition: all .15s;
  margin-bottom: 2px; font-size: 13.5px;
}
.nav-item:hover { background: var(--bg-input); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }

.nav-group { margin-top: 12px; }
.nav-group-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); padding: 6px 10px 4px; }
.nav-group .nav-item { padding-left: 14px; }

.platform-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

.sidebar-footer {
  padding: 12px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.user-info { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.user-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; text-transform: uppercase; }
.user-name { font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: 11px; color: var(--text-muted); text-transform: capitalize; }
.btn-logout { background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; border-radius: 4px; }
.btn-logout:hover { color: var(--danger); }
.btn-logout svg { width: 16px; height: 16px; fill: currentColor; display: block; }

/* ── Main area ────────────────────────────────────────────────────────────── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
  height: 56px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; flex-shrink: 0; background: var(--sidebar);
}
.page-title { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.content { flex: 1; overflow-y: auto; padding: 24px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all .15s;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #5558e3; }
.btn-secondary { background: var(--bg-input); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-dim); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-input); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }
.btn-group { display: flex; gap: 6px; }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card.mt, .mt { margin-top: 18px; }
.mt-sm { margin-top: 8px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-header h3 { font-size: 14px; font-weight: 600; }
.card-link { font-size: 12px; color: var(--accent); }

/* ── Alerts ───────────────────────────────────────────────────────────────── */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 13px; }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #10b981; }
.alert-error   { background: rgba(239,68,68,.1);  border: 1px solid rgba(239,68,68,.3);  color: #ef4444; }
.alert-info    { background: var(--accent-dim);   border: 1px solid rgba(99,102,241,.3); color: var(--accent); }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { padding: 10px 12px; text-align: left; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.table td { padding: 11px 12px; border-bottom: 1px solid rgba(255,255,255,.04); font-size: 13px; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,.02); }
.table .actions { display: flex; gap: 6px; }
.muted { color: var(--text-muted); }

/* ── Badges & Tags ────────────────────────────────────────────────────────── */
.status-badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 30px; font-size: 11px; font-weight: 600; color: #fff; text-transform: capitalize; }
.platform-badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 30px; font-size: 11px; font-weight: 600; color: #fff; text-transform: capitalize; }
.platform-badge-lg { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 30px; font-size: 13px; font-weight: 600; color: #fff; }
.plan-badge { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; font-size: 11px; font-weight: 700; color: #fff; }
.plan-a { background: var(--accent); }
.plan-b { background: var(--warning); }
.plan-c { background: var(--success); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 30px; font-size: 11px; background: var(--bg-input); color: var(--text-dim); border: 1px solid var(--border); }
.badge-num { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 20px; padding: 0 6px; border-radius: 10px; font-size: 11px; font-weight: 700; background: var(--bg-input); color: var(--text-dim); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-page { max-width: 800px; }
.form-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 1000px; }
.form-card { padding: 22px; }
.form-section { margin-bottom: 20px; }
.form-section:last-child { margin-bottom: 0; }
.section-title { font-size: 13px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px; }
.form-group:last-child { margin-bottom: 0; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-dim); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); padding: 8px 10px; outline: none; transition: border-color .15s; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
}
.form-group input[readonly] { opacity: .6; cursor: not-allowed; }
select option { background: var(--bg-card); }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text); }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border); margin-top: 16px; }

/* ── Stats ────────────────────────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card.accent { border-left: 3px solid var(--accent); }
.stat-card.success { border-left: 3px solid var(--success); }
.stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1.1; }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Dashboard ────────────────────────────────────────────────────────────── */
.dash-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 16px; }
.plan-bars { display: flex; flex-direction: column; gap: 12px; padding-top: 4px; }
.plan-bar { display: flex; align-items: center; gap: 10px; }
.bar-track { flex: 1; height: 6px; background: var(--bg-input); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width .4s; }
.bar-b { background: var(--warning); }
.bar-c { background: var(--success); }
.plan-count { font-size: 12px; font-weight: 700; color: var(--text-muted); min-width: 20px; text-align: right; }

.platform-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.platform-card { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 16px 8px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg); transition: all .15s; text-decoration: none; }
.platform-card:hover { background: var(--bg-input); text-decoration: none; transform: translateY(-2px); }
.platform-card-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: #fff; }
.platform-card-name { font-size: 12px; color: var(--text-dim); text-align: center; }

/* ── Customer detail ──────────────────────────────────────────────────────── */
.customer-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.customer-header-left { display: flex; gap: 14px; align-items: flex-start; }
.customer-avatar { width: 48px; height: 48px; border-radius: var(--radius); background: var(--accent-dim); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; color: var(--accent); flex-shrink: 0; text-transform: uppercase; }
.customer-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.customer-header-right { text-align: right; flex-shrink: 0; }
.contact-line { font-size: 12px; color: var(--text-muted); margin-bottom: 2px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.platform-list { display: flex; flex-direction: column; gap: 8px; }
.platform-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.platform-row:last-child { border-bottom: none; }
.platform-dot-lg { width: 34px; height: 34px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0; }
.platform-info { flex: 1; }
.platform-name { font-size: 13px; font-weight: 600; text-transform: capitalize; }
.platform-account { font-size: 11px; color: var(--text-muted); }

.brand-preview { display: flex; flex-direction: column; gap: 10px; }
.color-swatches { display: flex; gap: 8px; }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--border); cursor: default; }
.brand-row { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; }
.brand-label { font-size: 11px; font-weight: 600; color: var(--text-muted); min-width: 70px; padding-top: 2px; }

.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.kb-item { padding: 10px; background: var(--bg-input); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.kb-cat { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); }
.kb-title { font-size: 12px; margin-top: 3px; color: var(--text-dim); }

/* ── Content detail ───────────────────────────────────────────────────────── */
.detail-cols { display: grid; grid-template-columns: 1fr 280px; gap: 18px; align-items: flex-start; }
.post-header { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.post-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.post-content { white-space: pre-wrap; line-height: 1.8; font-size: 14px; color: var(--text-dim); }
.post-hashtags { margin-top: 12px; font-size: 13px; color: var(--accent); }
.post-sidebar { display: flex; flex-direction: column; gap: 0; }
.info-row { display: flex; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.info-row:last-child { border-bottom: none; }
.info-label { font-weight: 600; color: var(--text-muted); min-width: 70px; }
.info-row.notes { flex-direction: column; gap: 3px; }
.post-sidebar .card { padding: 14px; }
.post-sidebar h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 10px; }
.schedule-form input { margin-bottom: 8px; }
.accent { color: var(--accent); font-weight: 600; }

/* ── Schedule ─────────────────────────────────────────────────────────────── */
.schedule-list { display: flex; flex-direction: column; gap: 10px; }
.schedule-item { display: flex; align-items: center; gap: 16px; padding: 14px 18px; }
.schedule-time { min-width: 70px; text-align: center; }
.schedule-date { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--text-muted); }
.schedule-hour { font-size: 16px; font-weight: 700; }
.schedule-info { flex: 1; }
.schedule-customer { font-size: 11px; color: var(--text-muted); }
.schedule-title { font-size: 14px; font-weight: 600; }
.schedule-actions { display: flex; gap: 6px; }

/* ── Platform page ────────────────────────────────────────────────────────── */
.platform-hero { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.platform-hero-icon { width: 50px; height: 50px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; color: #fff; flex-shrink: 0; }
.platform-tips ul { padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.platform-tips h3 { margin-bottom: 12px; font-size: 14px; font-weight: 600; }
.platform-tips li { font-size: 13px; color: var(--text-dim); }

/* ── Filters ──────────────────────────────────────────────────────────────── */
.filter-bar { padding: 12px 16px; margin-bottom: 16px; }
.filter-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.filter-form select { background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: 6px 10px; }

/* ── Brand form ───────────────────────────────────────────────────────────── */
.color-input-wrap { display: flex; gap: 8px; align-items: center; }
.color-picker { width: 36px; height: 34px; padding: 2px; border-radius: 4px; border: 1px solid var(--border); background: var(--bg-input); cursor: pointer; }
.color-hex { flex: 1; }

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.6); }
.modal-box { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; width: 440px; max-width: 90vw; }
.modal-box h3 { margin-bottom: 16px; font-size: 15px; }

/* ── Login ────────────────────────────────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-card { width: 360px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.login-brand { text-align: center; margin-bottom: 28px; }
.brand-icon-lg { font-size: 36px; font-weight: 900; color: var(--accent); background: var(--accent-dim); width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius); margin: 0 auto 12px; }
.login-brand h1 { font-size: 22px; font-weight: 800; letter-spacing: -.5px; }
.login-brand p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-hint { text-align: center; font-size: 11px; color: var(--text-muted); margin-top: 16px; }

/* ── Empty states ─────────────────────────────────────────────────────────── */
.empty-state { color: var(--text-muted); font-size: 13px; padding: 14px 0; }
.empty-page { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-page p { margin-bottom: 14px; }
.link-strong { color: var(--text); font-weight: 500; }
.link-strong:hover { color: var(--accent); }
.link { color: var(--accent); }

/* ── Char counter ─────────────────────────────────────────────────────────── */
.char-counter { color: var(--text-muted); }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid  { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-cols { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .form-cols { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .sidebar { display: none; }
  .stat-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}