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

:root {
  --primary:   #10b981;
  --primary-d: #059669;
  --danger:    #ef4444;
  --warning:   #f59e0b;
  --dark:      #1f2937;
  --medium:    #374151;
  --light:     #6b7280;
  --border:    #e5e7eb;
  --bg:        #f9fafb;
  --card:      #ffffff;
  --radius:    10px;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--dark);
  font-size: 15px;
  line-height: 1.5;
}

/* ── Topbar ───────────────────────────────────── */
.topbar {
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.topbar .brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: 1.1rem;
}
.topbar .brand span { color: var(--primary); }
.topbar .user-info { display: flex; align-items: center; gap: 1rem; font-size: .875rem; color: #9ca3af; }

/* ── Layout ───────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-header h1 { font-size: 1.4rem; color: var(--dark); }
.breadcrumb { font-size: .875rem; color: var(--light); margin-bottom: .5rem; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* ── Cards ────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.card-header {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.card-body { padding: 1.25rem; }

/* ── App Grid ─────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.app-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: box-shadow .15s, transform .15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.app-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); transform: translateY(-2px); }
.app-card .app-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-d) 100%);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}
.app-card .app-name { font-weight: 700; font-size: 1rem; margin-bottom: .2rem; }
.app-card .app-pkg  { font-size: .8rem; color: var(--light); margin-bottom: .75rem; }
.app-card .version-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: .5rem;
}
.app-card .ver { font-size: .875rem; color: var(--medium); }

/* ── Badges ───────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .75rem; font-weight: 600; padding: .2rem .55rem;
  border-radius: 20px;
}
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-red    { background: #fee2e2; color: #991b1b; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-gray   { background: #f3f4f6; color: #374151; }

/* ── Forms ────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; color: var(--medium); margin-bottom: .4rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .6rem .85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  background: #fff;
  color: var(--dark);
  transition: border-color .15s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16,185,129,.12);
}
.form-group textarea { resize: vertical; min-height: 110px; font-family: inherit; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media(max-width:600px) { .form-row { grid-template-columns: 1fr; } }

/* ── Toggle ───────────────────────────────────── */
.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  background: #f9fafb;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.toggle-row .toggle-label { font-size: .95rem; }
.toggle-row .toggle-sub   { font-size: .8rem; color: var(--light); }
.toggle {
  position: relative; width: 44px; height: 24px; cursor: pointer;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: #d1d5db; border-radius: 24px;
  transition: background .2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff; border-radius: 50%;
  transition: transform .2s;
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ── Tabs ─────────────────────────────────────── */
.tabs { display: flex; gap: .5rem; margin-bottom: 1rem; border-bottom: 2px solid var(--border); }
.tab-btn {
  padding: .5rem 1rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: .9rem;
  color: var(--light);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color .15s;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Platform tabs ────────────────────────────── */
.platform-tabs { display: flex; gap: .5rem; margin-bottom: 1.5rem; }
.plat-btn {
  display: flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem;
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  transition: all .15s;
}
.plat-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .6rem 1.2rem;
  border: none; border-radius: 8px;
  font-size: .9rem; font-weight: 600;
  cursor: pointer; transition: opacity .15s, transform .1s;
  text-decoration: none;
}
.btn:hover { opacity: .88; }
.btn:active { transform: scale(.97); }
.btn-primary  { background: var(--primary);  color: #fff; }
.btn-danger   { background: var(--danger);   color: #fff; }
.btn-outline  { background: transparent; border: 1.5px solid var(--border); color: var(--medium); }
.btn-sm { padding: .4rem .8rem; font-size: .8rem; }
.btn-icon { width: 34px; height: 34px; padding: 0; justify-content: center; border-radius: 8px; }

/* ── Alerts ───────────────────────────────────── */
.alert { padding: .8rem 1rem; border-radius: 8px; font-size: .875rem; margin-bottom: 1rem; }
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error   { background: #fee2e2; color: #991b1b; }

/* ── Login page ───────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #047857 100%);
  padding: 1rem;
}
.login-card {
  background: #fff; border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%; max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-card .logo {
  text-align: center; margin-bottom: 1.75rem;
}
.login-card .logo .icon {
  font-size: 2.5rem; display: block; margin-bottom: .5rem;
}
.login-card .logo h1 { font-size: 1.4rem; color: var(--dark); }
.login-card .logo p  { font-size: .875rem; color: var(--light); }

/* ── Empty state ──────────────────────────────── */
.empty-state {
  text-align: center; padding: 4rem 2rem; color: var(--light);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state p { font-size: 1rem; }

/* ── Loading ──────────────────────────────────── */
.spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }