:root {
  /* Sidebar */
  --sb-bg:       #1a2338;
  --sb-hover:    #253050;
  --sb-active:   #2e3f62;
  --sb-text:     #7e9ac4;
  --sb-text-hi:  #ffffff;
  --sb-border:   rgba(255,255,255,0.07);
  --sb-width:    220px;

  /* Main */
  --bg-main:     #f0f3f8;
  --bg-card:     #ffffff;
  --border:      #e2e8f0;
  --shadow:      0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-hover:0 4px 8px rgba(0,0,0,0.08), 0 12px 24px rgba(0,0,0,0.08);

  /* Typography */
  --text:        #1a202c;
  --text2:       #718096;
  --text3:       #a0aec0;

  /* Accent */
  --accent:      #4f6ef7;
  --accent-h:    #3a57e8;
  --accent-lt:   #eef1fe;

  /* Colors */
  --green:       #38a169;
  --green-lt:    #e6f4ee;
  --red:         #e53e3e;
  --red-lt:      #fff0f0;
  --blue:        #3182ce;
  --blue-lt:     #ebf4ff;
  --purple:      #805ad5;
  --purple-lt:   #f3ecff;
  --orange:      #dd6b20;
  --orange-lt:   #fff3e8;

  --font-mono: 'SF Mono', 'Fira Code', monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, sans-serif;
  background: var(--bg-main);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* ════════════════════════════════════
   LOGIN PAGE
════════════════════════════════════ */
.login-body {
  min-height: 100vh;
  display: flex;
  background: #f0f3f8;
}

.login-left {
  width: 380px;
  flex-shrink: 0;
  background: var(--sb-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: #fff;
}

.login-left-logo {
  font-size: 32px;
  margin-bottom: 16px;
}

.login-left h2 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  text-align: center;
}

.login-left p {
  font-size: 13px;
  color: var(--sb-text);
  text-align: center;
  line-height: 1.7;
}

.login-features {
  margin-top: 40px;
  width: 100%;
}

.login-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--sb-border);
  font-size: 13px;
  color: var(--sb-text);
}

.login-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--sb-active);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

.login-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}

.login-card h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.login-card .sub {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 32px;
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 40px;
}

.toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text3);
  display: flex;
  align-items: center;
  padding: 0;
}

.toggle-password:hover { color: var(--text2); }

@media (max-width: 700px) {
  .login-left { display: none; }
  .login-right { padding: 20px; }
}

/* ════════════════════════════════════
   APP LAYOUT (Sidebar + Main)
════════════════════════════════════ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sb-width);
  background: var(--sb-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sb-logo {
  padding: 22px 20px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--sb-border);
  text-decoration: none;
}

.sb-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sb-logo-text {
  line-height: 1.2;
}

.sb-logo-text strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.sb-logo-text span {
  font-size: 11px;
  color: var(--sb-text);
}

.sb-nav {
  flex: 1;
  padding: 16px 0;
}

.sb-section {
  padding: 12px 20px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sb-text);
  opacity: 0.6;
}

.sb-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sb-text);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.sb-item:hover {
  background: var(--sb-hover);
  color: #fff;
}

.sb-item.active {
  background: var(--sb-active);
  color: var(--sb-text-hi);
}

.sb-item-icon {
  width: 18px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.sb-badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: 10px;
  padding: 1px 7px;
  min-width: 20px;
  text-align: center;
}

.sb-footer {
  padding: 16px;
  border-top: 1px solid var(--sb-border);
}

.sb-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.sb-user:hover { background: var(--sb-hover); }

.sb-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.sb-user-info strong { display: block; font-size: 12px; color: #fff; font-weight: 600; }
.sb-user-info span   { font-size: 11px; color: var(--sb-text); }

/* ── Main content ── */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-body {
  flex: 1;
  padding: 24px 28px;
}

/* ════════════════════════════════════
   STATS
════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.blue   { background: var(--blue-lt); }
.stat-icon.green  { background: var(--green-lt); }
.stat-icon.gray   { background: #f1f3f5; }

.stat-info {}
.stat-label { font-size: 12px; color: var(--text2); margin-bottom: 2px; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text); line-height: 1; }

/* ════════════════════════════════════
   FILTER BAR
════════════════════════════════════ */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.filter-tabs {
  display: flex;
  gap: 2px;
}

.filter-tab {
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  color: var(--text2);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.filter-tab:hover { background: var(--bg-main); color: var(--text); }
.filter-tab.active { background: var(--accent-lt); color: var(--accent); border-color: rgba(79,110,247,0.2); font-weight: 600; }

.filter-tab .tab-count {
  background: rgba(0,0,0,0.07);
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 11px;
  min-width: 18px;
  text-align: center;
}

.filter-tab.active .tab-count { background: rgba(79,110,247,0.15); }

.filter-search {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 10px;
  transition: border-color 0.15s, background 0.15s;
}

.filter-search:focus-within {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79,110,247,0.08);
}

.filter-search input {
  flex: 1;
  padding: 7px 0 7px 7px;
  border: none;
  font-size: 13px;
  outline: none;
  background: transparent;
  color: var(--text);
  min-width: 0;
}

.filter-search input:focus { box-shadow: none; }

.filter-search-icon {
  color: var(--text3);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.filter-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

/* ════════════════════════════════════
   APP CARDS GRID
════════════════════════════════════ */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.app-card.inactive { opacity: 0.55; }

/* ── Card Body ── */
.card-body {
  padding: 16px 16px 14px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

/* App Icon — iOS-style rounded square, full-bleed icon */
.app-avatar {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  user-select: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.06);
}

.app-avatar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}

.app-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-info {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}

.app-id {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-sub-id {
  font-size: 11px;
  font-family: var(--font-mono, monospace);
  color: var(--text3);
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

/* action buttons top-right */
.card-actions-right {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  margin-top: -2px;
}

.card-icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.card-icon-btn:hover {
  background: var(--bg-main);
  border-color: var(--border);
  color: var(--text2);
}

.card-icon-btn.danger:hover {
  background: var(--red-lt);
  border-color: #fecaca;
  color: var(--red);
}

/* ── Card Meta ── */
.card-meta {
  padding: 0 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.app-meta-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text2);
  overflow: hidden;
}

.app-meta-icon {
  color: var(--text3);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.app-meta-val {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

/* ── Card Footer ── */
.card-footer {
  border-top: 1px solid #f1f4f8;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fafbff;
}

.btn-card {
  flex: 1;
  padding: 7px 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--text2);
  transition: all 0.15s;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  white-space: nowrap;
}

.btn-card:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-card-danger:hover {
  background: var(--red-lt);
  color: var(--red);
  border-color: #fca5a5;
}

/* empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
}
.empty-state .empty-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--text3);
}
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-state p  { font-size: 13px; }

/* ════════════════════════════════════
   BUTTONS
════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  text-decoration: none;
  line-height: 1;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-h); }
.btn-ghost   { background: transparent; color: var(--text2); border-color: var(--border); background: #fff; }
.btn-ghost:hover { color: var(--text); background: var(--bg-main); }
.btn-danger  { background: transparent; color: var(--red); border-color: var(--border); }
.btn-danger:hover { background: var(--red-lt); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ════════════════════════════════════
   FORMS
════════════════════════════════════ */
.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type=text], input[type=password], select, textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,110,247,0.1);
}

select { cursor: pointer; }

.form-error {
  color: var(--red);
  font-size: 12px;
  margin-top: 6px;
  min-height: 16px;
}

.required { color: var(--red); }

/* ════════════════════════════════════
   BADGES
════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-android  { background: var(--green-lt); color: var(--green); }
.badge-ios      { background: var(--blue-lt);  color: var(--blue); }
.badge-both     { background: var(--purple-lt); color: var(--purple); }
.badge-flutter  { background: #e0f2fe; color: #0369a1; }
.badge-unity    { background: #f0fdf4; color: #15803d; }
.badge-active   { background: var(--green-lt); color: var(--green); }
.badge-inactive { background: #f1f3f5; color: var(--text3); }

/* ════════════════════════════════════
   MODAL
════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,20,40,0.45);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: modal-in 0.2s ease;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-lg { max-width: 640px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.modal-title-icon {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.modal-close:hover { background: var(--bg-main); color: var(--text); }

.modal-body   { padding: 20px 22px; }
.modal-footer { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; align-items: center; }

/* ════════════════════════════════════
   ALERT
════════════════════════════════════ */
.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-warning { background: #fffbeb; border: 1px solid #fbd38d; color: #92400e; }
.alert-success { background: var(--green-lt); border: 1px solid #9ae6b4; color: #22543d; }

/* ════════════════════════════════════
   SECRET BOX
════════════════════════════════════ */
.secret-box {
  background: #f8faff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  word-break: break-all;
  cursor: pointer;
  transition: border-color 0.15s;
}
.secret-box:hover { border-color: var(--accent); background: var(--accent-lt); }

/* ════════════════════════════════════
   USAGE STATS
════════════════════════════════════ */
.usage-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.usage-card {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.usage-card .num { font-size: 22px; font-weight: 700; color: var(--text); }
.usage-card .lbl { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

/* ════════════════════════════════════
   TABLE (inside usage modal)
════════════════════════════════════ */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th {
  text-align: left;
  padding: 9px 14px;
  background: var(--bg-main);
  color: var(--text2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #f8faff; }
.loading-cell { text-align: center; padding: 32px; color: var(--text2); }

/* ════════════════════════════════════
   TOAST
════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1a202c;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s;
  pointer-events: none;
  z-index: 999;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast::before { font-size: 15px; }
.toast.success::before { content: '✅'; }
.toast.error::before   { content: '❌'; }