/* DoorsCRM Platform Admin — slate + teal */

:root {
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --teal-500: #0d9488;
  --teal-600: #0f766e;
  --teal-700: #115e59;
  --teal-50: #f0fdfa;
  --white: #ffffff;
  --sidebar-w: 260px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --radius: 10px;
  --font-sans: 'Manrope', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
}

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

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--slate-700);
  background: var(--slate-100);
  min-height: 100vh;
}

.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--teal-600), var(--teal-700));
  color: var(--white);
  font-weight: 800;
  font-size: 1.15rem;
  border-radius: 10px;
  flex-shrink: 0;
}

.logo__mark--sm { width: 32px; height: 32px; font-size: 0.95rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--teal-600);
  color: var(--white);
  border-color: var(--teal-600);
}

.btn--primary:hover:not(:disabled) {
  background: var(--teal-700);
  border-color: var(--teal-700);
}

.btn--outline {
  background: var(--white);
  color: var(--slate-600);
  border-color: var(--slate-300);
}

.btn--ghost {
  background: transparent;
  color: var(--slate-500);
  border-color: transparent;
}

.btn--ghost:hover { color: var(--slate-800); background: var(--slate-100); }

.btn--sm { padding: 0.45rem 0.85rem; font-size: 0.8125rem; }
.btn--block { width: 100%; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.form-row { margin-bottom: 1rem; }

.form-row label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-600);
  margin-bottom: 0.3rem;
}

.form-row input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--slate-800);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-row input:focus {
  outline: none;
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
  background: var(--white);
}

.form-error {
  background: #fef2f2;
  color: #b91c1c;
  font-size: 0.8125rem;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(165deg, var(--slate-50) 0%, #eef2f7 50%, var(--teal-50) 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.login-card__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.login-card__brand h1 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.login-card__brand p {
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.login-note {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: var(--slate-400);
  text-align: center;
  line-height: 1.45;
}

/* App shell */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--slate-900);
  color: var(--slate-300);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  transition: transform 0.25s;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar__title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.sidebar__nav {
  flex: 1;
  padding: 0.75rem 0.5rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  margin-bottom: 2px;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--slate-400);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--slate-200);
}

.nav-item--active {
  background: rgba(13, 148, 136, 0.2);
  color: var(--teal-500);
}

.sidebar__footer {
  padding: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 56px;
  padding: 0 1.5rem;
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--slate-800);
}

.topbar__user {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.sidebar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.sidebar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--slate-600);
  border-radius: 2px;
}

.content {
  flex: 1;
  padding: 1.5rem;
}

.platform-notice {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--teal-50);
  border: 1px solid rgba(13, 148, 136, 0.2);
  color: var(--teal-700);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}

.platform-notice svg { width: 18px; height: 18px; flex-shrink: 0; }

.panel { display: none; }
.panel--active { display: block; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.panel-header h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--slate-800);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.15rem;
}

.stat-card__label {
  display: block;
  font-size: 0.75rem;
  color: var(--slate-500);
  margin-bottom: 0.35rem;
}

.stat-card__value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--slate-800);
}

.placeholder-block {
  background: var(--white);
  border: 1px dashed var(--slate-300);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--slate-500);
}

.placeholder-block h3 {
  font-size: 1rem;
  color: var(--slate-700);
  margin-bottom: 0.5rem;
}

.table-placeholder {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-placeholder table {
  width: 100%;
  border-collapse: collapse;
}

.table-placeholder th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
}

.empty-row {
  text-align: center;
  padding: 2.5rem 1rem !important;
  color: var(--slate-400);
  font-size: 0.875rem;
}

.plans-mini {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.plan-mini {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 0.75rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-600);
}

.plan-mini--active {
  border-color: var(--teal-600);
  color: var(--teal-700);
  background: var(--teal-50);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.settings-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.settings-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 0.35rem;
}

.settings-card p {
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.chat-placeholder {
  display: grid;
  grid-template-columns: 240px 1fr;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  min-height: 320px;
  overflow: hidden;
}

.chat-placeholder__sidebar {
  border-right: 1px solid var(--slate-200);
  padding: 0.5rem;
}

.chat-thread {
  padding: 0.65rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--slate-600);
  border-radius: 6px;
  cursor: default;
  margin-bottom: 2px;
}

.chat-thread--active {
  background: var(--teal-50);
  color: var(--teal-700);
  font-weight: 600;
}

.chat-placeholder__main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--slate-400);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 960px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .main-area { margin-left: 0; }

  .sidebar-toggle { display: flex; }

  .chat-placeholder { grid-template-columns: 1fr; }
  .chat-placeholder__sidebar { display: none; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}