/* ============================================================
   Wolf Broadcast — Design System
   Refined-dark executive SaaS. Distinctive but professional.
   ============================================================ */

:root {
  --bg-base:        #0a0d12;
  --bg-surface:     #11151c;
  --bg-elevated:    #161b24;
  --bg-input:       #0d1117;
  --border-subtle:  #1f2530;
  --border-strong:  #2a3340;
  --text-primary:   #e8edf2;
  --text-secondary: #8b95a3;
  --text-muted:     #5d6775;

  --accent-cyan:    #00d4ff;       /* Wolf brand moments */
  --accent-cyan-dim:#0099bb;
  --accent-green:   #25d366;       /* WhatsApp signal — delivery states */
  --accent-green-dim:#1a9d4a;
  --danger:         #ff4d6d;
  --warning:        #ffb547;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-glow-cyan: 0 0 24px rgba(0,212,255,0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: "Sora", "Manrope", sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0 0 12px 0;
}
h1 { font-size: 24px; letter-spacing: -0.02em; }
h2 { font-size: 18px; }
h3 { font-size: 15px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; }

.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

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

/* ============================================================
   Layout — sidebar + main
   ============================================================ */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}
.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 13.5px;
}
.nav a:hover { background: var(--bg-elevated); color: var(--text-primary); text-decoration: none; }
.nav a.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: inset 2px 0 0 var(--accent-cyan);
}
.nav-icon { width: 16px; height: 16px; opacity: 0.9; }

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}
.sidebar-footer .user { color: var(--text-secondary); margin-bottom: 6px; }
.sidebar-footer form { margin: 0; }
.logout-btn {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 12px; padding: 0;
}
.logout-btn:hover { color: var(--danger); }

.main { padding: 32px 40px; max-width: 1280px; }
.page-header {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.page-header h1 { margin: 0; }
.page-subtitle { color: var(--text-secondary); font-size: 13.5px; margin-top: 4px; }

/* ============================================================
   Cards, surfaces, KPIs
   ============================================================ */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}
.card-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-weight: 600;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.kpi {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color 0.15s ease;
}
.kpi:hover { border-color: var(--border-strong); }
.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.kpi-value {
  font-family: "Sora", sans-serif;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.kpi.accent-cyan .kpi-value { color: var(--accent-cyan); }
.kpi.accent-green .kpi-value { color: var(--accent-green); }
.kpi.accent-danger .kpi-value { color: var(--danger); }

/* ============================================================
   Tables
   ============================================================ */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border-subtle); }
table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
}
table.data th, table.data td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
}
table.data th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--bg-elevated); }

/* ============================================================
   Status badges
   ============================================================ */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
}
.badge.draft     { background: rgba(139,149,163,0.12); color: var(--text-secondary); }
.badge.draft     .badge-dot { background: var(--text-secondary); }
.badge.running   { background: rgba(0,212,255,0.12); color: var(--accent-cyan); }
.badge.running   .badge-dot { background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); animation: pulse 1.4s ease-in-out infinite; }
.badge.paused    { background: rgba(255,181,71,0.12); color: var(--warning); }
.badge.paused    .badge-dot { background: var(--warning); }
.badge.completed { background: rgba(37,211,102,0.14); color: var(--accent-green); }
.badge.completed .badge-dot { background: var(--accent-green); }
.badge.failed    { background: rgba(255,77,109,0.14); color: var(--danger); }
.badge.failed    .badge-dot { background: var(--danger); }
.badge.stopped   { background: rgba(139,149,163,0.12); color: var(--text-secondary); }
.badge.stopped   .badge-dot { background: var(--text-secondary); }
.badge.pending   { background: rgba(139,149,163,0.12); color: var(--text-secondary); }
.badge.pending   .badge-dot { background: var(--text-secondary); }
.badge.sent      { background: rgba(0,212,255,0.12); color: var(--accent-cyan); }
.badge.sent      .badge-dot { background: var(--accent-cyan); }
.badge.delivered { background: rgba(37,211,102,0.12); color: var(--accent-green); }
.badge.delivered .badge-dot { background: var(--accent-green); }
.badge.read      { background: rgba(37,211,102,0.18); color: var(--accent-green); }
.badge.read      .badge-dot { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.badge.opted_out { background: rgba(255,181,71,0.12); color: var(--warning); }
.badge.opted_out .badge-dot { background: var(--warning); }
.badge.active    { background: rgba(37,211,102,0.14); color: var(--accent-green); }
.badge.active    .badge-dot { background: var(--accent-green); }
.badge.inactive  { background: rgba(139,149,163,0.12); color: var(--text-secondary); }
.badge.inactive  .badge-dot { background: var(--text-secondary); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ============================================================
   Buttons & forms
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.12s ease;
}
.btn:hover { background: var(--border-subtle); text-decoration: none; }
.btn-primary {
  background: var(--accent-cyan);
  color: #001318;
  border-color: var(--accent-cyan);
}
.btn-primary:hover { background: #1de8ff; color: #001318; }
.btn-success {
  background: var(--accent-green);
  color: #002a11;
  border-color: var(--accent-green);
}
.btn-success:hover { background: #3fe27a; color: #002a11; }
.btn-danger { background: rgba(255,77,109,0.1); color: var(--danger); border-color: rgba(255,77,109,0.3); }
.btn-danger:hover { background: rgba(255,77,109,0.2); }
.btn-ghost { background: transparent; border-color: var(--border-subtle); color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
  transition: border-color 0.15s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.12);
}
.form-help { font-size: 12px; color: var(--text-muted); margin-top: 6px; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%238b95a3' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ============================================================
   Flash messages
   ============================================================ */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  font-size: 13px;
  border-left: 3px solid;
}
.flash.success { background: rgba(37,211,102,0.08); border-color: var(--accent-green); color: var(--accent-green); }
.flash.error   { background: rgba(255,77,109,0.08); border-color: var(--danger); color: var(--danger); }
.flash.info    { background: rgba(0,212,255,0.08); border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ============================================================
   Login page (full-screen, centered)
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 25% 30%, rgba(0,212,255,0.06), transparent 50%),
    radial-gradient(circle at 75% 70%, rgba(37,211,102,0.04), transparent 50%),
    var(--bg-base);
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md), var(--shadow-glow-cyan);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand .name {
  font-family: "Sora", sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.login-brand .by { font-size: 11px; color: var(--text-muted); letter-spacing: 0.06em; margin-top: 4px; }

/* ============================================================
   Login brand dot pulse — single page focal point
   ============================================================ */
.login-brand .name::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 12px var(--accent-cyan);
  animation: pulse 1.6s ease-in-out infinite;
}

/* ============================================================
   Misc
   ============================================================ */
.muted { color: var(--text-muted); font-size: 12.5px; }
.row-actions { display: flex; gap: 8px; }
.section-spacer { height: 28px; }
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
}
.tag-list { display: flex; gap: 6px; flex-wrap: wrap; }

.preview-bubble {
  background: #054640;
  color: #e8f5e9;
  padding: 10px 14px;
  border-radius: 14px 14px 14px 4px;
  max-width: 320px;
  font-size: 13.5px;
  margin-top: 8px;
  white-space: pre-wrap;
}

/* ============================================================
   Responsive — collapse sidebar to top nav under 900px
   ============================================================ */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 16px;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
  }
  .sidebar .brand-sub { display: none; }
  .nav { flex-direction: row; flex-wrap: wrap; flex: 1; }
  .nav a { padding: 6px 10px; font-size: 12.5px; }
  .nav a.active { box-shadow: inset 0 -2px 0 var(--accent-cyan); }
  .sidebar-footer { padding-top: 0; border-top: none; border-left: 1px solid var(--border-subtle); padding-left: 12px; }
  .main { padding: 20px 16px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 22px; }
  h1 { font-size: 20px; }
}