/* ══════════════════════════════════════════════════
   JSON Delivery – Purple Dark Theme
   (Based on microsoft_mail_manager design)
   ══════════════════════════════════════════════════ */
:root {
  --bg: #1e1033;
  --bg-gradient: linear-gradient(135deg, #2d1b69 0%, #1e1033 50%, #0f0a1a 100%);
  --panel: rgba(255,255,255,0.06);
  --panel-solid: #2a1f4e;
  --panel-hover: rgba(255,255,255,0.1);
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.15);
  --text: #f1e8ff;
  --text-secondary: rgba(255,255,255,0.7);
  --muted: rgba(255,255,255,0.45);
  --primary: #a855f7;
  --primary-soft: rgba(168,85,247,0.15);
  --primary-hover: #9333ea;
  --green: #34d399;
  --green-soft: rgba(52,211,153,0.12);
  --red: #f87171;
  --red-soft: rgba(248,113,113,0.12);
  --amber: #fbbf24;
  --amber-soft: rgba(251,191,36,0.12);
  --sidebar-w: 240px;
  --shadow: 0 2px 8px rgba(0,0,0,.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.4);
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; }
body {
  min-height: 100vh;
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }

/* ── Sidebar ────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: rgba(15,10,30,0.85);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  z-index: 40;
  overflow-y: auto;
  scrollbar-width: thin;
  transition: transform .25s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--line);
}
.sidebar-logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #9333ea 0%, #6d28d9 100%);
  color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(147,51,234,0.4);
}
.sidebar-name { font-weight: 800; font-size: 15px; color: #fff; }
.sidebar-section {
  padding: 18px 18px 6px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted);
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 8px;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.6);
  transition: all .15s;
}
.sidebar-nav a:hover { background: var(--primary-soft); color: #e9d5ff; }
.sidebar-nav a.active { background: var(--primary); color: #fff; font-weight: 700; box-shadow: 0 4px 12px rgba(168,85,247,0.3); }
.sidebar-nav a.active svg { stroke: #fff; }
.sidebar-nav a svg { flex-shrink: 0; stroke: rgba(255,255,255,0.4); transition: stroke .15s; }
.sidebar-nav a:hover svg { stroke: #c4b5fd; }
.nav-logout { color: var(--red) !important; }
.nav-logout:hover { background: var(--red-soft) !important; color: var(--red) !important; }
.nav-logout svg { stroke: var(--red) !important; }
.sidebar-bottom { margin-top: auto; padding-bottom: 14px; border-top: 1px solid var(--line); padding-top: 8px; }

/* ── Mobile ─────────────────────────────────────── */
.mobile-topbar {
  display: none;
  position: sticky; top: 0; z-index: 30;
  height: 56px;
  background: rgba(15,10,30,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  align-items: center; gap: 12px;
  padding: 0 16px;
}
.mobile-menu-btn {
  background: none; border: none; padding: 6px; cursor: pointer; color: var(--text);
  display: flex; align-items: center;
}
.mobile-title { font-weight: 800; font-size: 15px; color: #fff; }
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); backdrop-filter: blur(4px); z-index: 35;
}
/* ── Main Content ───────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  padding: 28px 32px 48px;
  max-width: calc(100vw - var(--sidebar-w));
}

/* ── Common ─────────────────────────────────────── */
.header { display: flex; justify-content: space-between; gap: 16px; align-items: flex-end; margin: 0 0 20px; flex-wrap: wrap; }
h1 { font-size: 22px; margin: 0 0 2px; font-weight: 800; letter-spacing: -.2px; color: #fff; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 700; color: var(--text); }
.sub, .hint { color: var(--muted); font-size: 13px; }
.hint { margin: 8px 0 12px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.section-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); margin: 24px 0 10px; }
.section-label:first-child { margin-top: 0; }

/* ── Buttons ────────────────────────────────────── */
.btn, button[type="submit"], .btn-primary {
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  transition: all .15s;
  font-family: inherit;
}
.btn:hover, button[type="submit"]:hover, .btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(168,85,247,.3); }
.btn.secondary { background: var(--glass); color: var(--text-secondary); border-color: var(--glass-border); backdrop-filter: blur(8px); }
.btn.secondary:hover { background: var(--panel-hover); border-color: var(--line-strong); }
.btn.danger { background: var(--red-soft); color: var(--red); border-color: rgba(248,113,113,0.3); }
.btn.danger:hover { background: rgba(248,113,113,0.2); }
.btn.success { background: var(--green-soft); color: var(--green); border-color: rgba(52,211,153,0.3); }
.btn.success:hover { background: rgba(52,211,153,0.2); }
.btn.warning { background: var(--amber-soft); color: var(--amber); border-color: rgba(251,191,36,0.3); }
.btn.warning:hover { background: rgba(251,191,36,0.2); }
button:disabled, .btn:disabled { opacity: .45; cursor: not-allowed; filter: none; box-shadow: none; }
.mini { padding: 5px 10px; font-size: 12px; }
.icon-btn {
  background: var(--glass); color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 5px 8px; font-size: 12px; border-radius: 7px;
  cursor: pointer; transition: all .15s;
}
.icon-btn:hover { background: var(--panel-hover); }
/* ── Panel ──────────────────────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.panel.pad { padding: 20px; }

/* ── Stats Cards ────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: all .2s;
}
.stat:hover { box-shadow: var(--shadow-lg); border-color: var(--line-strong); transform: translateY(-1px); }
.stat .num { font-size: 26px; font-weight: 800; line-height: 1.2; color: #fff; }
.stat .num.green { color: var(--green); }
.stat .num.red { color: var(--red); }
.stat .num.amber { color: var(--amber); }
.stat .num.primary { color: var(--primary); }
.stat .label { color: var(--muted); font-size: 12px; margin-top: 4px; }
.stat .extra { color: var(--green); font-size: 11px; margin-top: 2px; }

/* ── Forms ──────────────────────────────────────── */
.filters { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; font-family: Consolas, "SFMono-Regular", monospace; font-size: 12px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(168,85,247,.15); }
select { background-color: var(--panel-solid); }
select option { background: var(--panel-solid); color: var(--text); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
label { display: grid; gap: 6px; color: var(--text-secondary); font-size: 12px; font-weight: 700; }
.form-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }
/* ── Table ──────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .3px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
}
td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: 13px; color: var(--text-secondary); }
tr:hover td { background: rgba(168,85,247,0.04); }
.mono { font-family: Consolas, "SFMono-Regular", monospace; font-size: 12px; }
.strong { font-weight: 800; color: #fff; }

/* ── Badge ──────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  border-radius: 6px;
  padding: 2px 8px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .2px;
}
.badge.active, .badge.available { color: var(--green); background: var(--green-soft); }
.badge.error, .badge.used { color: var(--muted); background: var(--glass); }
.badge.disabled { color: var(--red); background: var(--red-soft); }
.badge.expired { color: var(--amber); background: var(--amber-soft); }
.badge.unused { color: var(--green); background: var(--green-soft); }

/* ── Actions ────────────────────────────────────── */
.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.actions button, .actions a {
  background: var(--glass); color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 4px 10px; font-size: 12px; border-radius: 6px;
  cursor: pointer; transition: all .15s; font-family: inherit;
}
.actions button:hover, .actions a:hover { background: var(--panel-hover); border-color: var(--line-strong); }
.actions .act-danger { color: var(--red); border-color: rgba(248,113,113,0.2); }
.actions .act-danger:hover { background: var(--red-soft); }
.actions .act-warn { color: var(--amber); border-color: rgba(251,191,36,0.2); }
.actions .act-warn:hover { background: var(--amber-soft); }

/* ── Batch Bar ─────────────────────────────────── */
.batch-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--primary-soft);
  border-bottom: 1px solid rgba(168,85,247,0.2);
}
.batch-bar .batch-info {
  font-size: 12px; font-weight: 600; color: var(--primary);
  margin-right: auto;
}
.batch-bar button {
  padding: 5px 12px; font-size: 12px; border-radius: 6px;
}
/* ── Flash ──────────────────────────────────────── */
.flash {
  margin-bottom: 12px; padding: 12px 16px; border-radius: 8px;
  background: var(--primary-soft); color: #c4b5fd;
  font-size: 13px; font-weight: 500;
  border-left: 4px solid var(--primary);
}
.flash.error { background: var(--red-soft); color: var(--red); border-left-color: var(--red); }
.flash.success { background: var(--green-soft); color: var(--green); border-left-color: var(--green); }

/* ── Empty state ────────────────────────────────── */
.empty { padding: 40px; text-align: center; color: var(--muted); font-size: 13px; }

/* ── Login Page ─────────────────────────────────── */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  padding: 36px 32px 28px;
  text-align: center;
}
.login-card h1 { font-size: 20px; margin-bottom: 4px; color: #fff; }
.login-card .sub { margin-bottom: 20px; color: var(--muted); }
.login-card label { text-align: left; }
.login-logo { margin-bottom: 18px; }
.login-logo-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
  color: #fff; display: inline-grid; place-items: center;
  box-shadow: 0 8px 24px rgba(147,51,234,0.4);
}
.login-btn {
  width: 100%; padding: 12px; font-size: 14px; border-radius: 10px;
  background: linear-gradient(135deg, #9333ea 0%, #a855f7 100%);
  border: none; color: #fff; font-weight: 700; cursor: pointer;
  transition: all .15s;
}
.login-btn:hover { filter: brightness(1.05); box-shadow: 0 4px 16px rgba(147,51,234,.4); }

/* ── User Pages (fullscreen centered) ─────────── */
.user-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.user-card {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  padding: 32px;
}
.user-card.wide { width: min(680px, 100%); }
.user-card .card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center; margin: 0 auto 16px;
  font-size: 28px;
}
.user-card .card-icon.purple { background: var(--primary-soft); color: var(--primary); }
.user-card .card-icon.green { background: var(--green-soft); color: var(--green); }
.user-card h1 { text-align: center; font-size: 20px; margin-bottom: 4px; }
.user-card .sub { text-align: center; display: block; margin-bottom: 20px; }
.user-card .notice {
  padding: 12px 14px; border-radius: 8px; margin-bottom: 16px;
  background: var(--amber-soft); color: var(--amber);
  font-size: 13px; border: 1px solid rgba(251,191,36,0.2);
}
.user-card .download-btn {
  display: block; width: 100%; padding: 14px; text-align: center;
  background: linear-gradient(135deg, #9333ea 0%, #a855f7 100%);
  color: #fff; font-weight: 700; font-size: 16px; border-radius: 10px;
  border: none; cursor: pointer; transition: all .15s;
}
.user-card .download-btn:hover { filter: brightness(1.05); box-shadow: 0 4px 16px rgba(147,51,234,.4); }
.format-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.format-option {
  border: 1px solid var(--line-strong); border-radius: 10px;
  padding: 12px; text-align: center; cursor: pointer;
  transition: all .15s;
}
.format-option:hover { border-color: var(--primary); }
.format-option.selected, .format-option:has(input:checked) {
  border-color: var(--primary); background: var(--primary-soft);
}
.format-option input { display: none; }
.format-option .fmt-name { font-weight: 700; font-size: 14px; color: #fff; }
.format-option .fmt-ext { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ── Global Toast ───────────────────────────────── */
.global-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: rgba(255,255,255,0.95); color: #6b21a8; padding: 12px 24px;
  border-radius: 12px; font-size: 13px; font-weight: 600;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
  border: 1px solid rgba(168,85,247,0.2);
  opacity: 0; pointer-events: none;
  transition: all .3s ease; z-index: 9999;
  white-space: nowrap;
}
.global-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.global-toast.success { background: rgba(52,211,153,0.9); color: #fff; border-color: transparent; }
.global-toast.error { background: rgba(248,113,113,0.9); color: #fff; border-color: transparent; }

/* ── Pagination ───────────────────────────────── */
.pagination { display: flex; gap: 6px; align-items: center; justify-content: center; margin-top: 16px; padding: 12px; }
.pagination .btn { padding: 6px 12px; font-size: 12px; }

/* ── Checkbox ──────────────────────────────────── */
input[type="checkbox"] {
  width: 16px; height: 16px; padding: 0;
  accent-color: var(--primary);
}
/* ── Alert ──────────────────────────────────────── */
.alert {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
  font-size: 13px; display: flex; align-items: center; gap: 10px;
}
.alert.alert-danger { background: var(--red-soft); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.alert.alert-success { background: var(--green-soft); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }
.alert.alert-warning { background: var(--amber-soft); color: var(--amber); border: 1px solid rgba(251,191,36,0.2); }

/* ── Details / collapsible ─────────────────────── */
details { margin-top: 16px; }
details summary {
  cursor: pointer; font-size: 13px; color: var(--text-secondary);
  padding: 8px 0; transition: color .15s;
}
details summary:hover { color: var(--primary); }
details .detail-content {
  margin-top: 8px; padding: 12px; border-radius: 8px;
  background: rgba(0,0,0,0.2); border: 1px solid var(--line);
  max-height: 280px; overflow-y: auto;
}
details .detail-item {
  padding: 6px 0; border-bottom: 1px solid var(--line);
  font-size: 12px; font-family: Consolas, monospace;
  display: flex; justify-content: space-between;
}
details .detail-item:last-child { border-bottom: none; }

/* ── Footer link ───────────────────────────────── */
.card-footer {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line);
  text-align: center;
}
.card-footer a { color: var(--primary); font-size: 13px; transition: color .15s; }
.card-footer a:hover { color: var(--primary-hover); }
.card-footer .meta { font-size: 11px; color: var(--muted); margin-bottom: 8px; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 1200px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-overlay { display: block; }
  .mobile-topbar { display: flex; }
  .main-content { margin-left: 0; padding: 20px 16px 40px; max-width: 100vw; }
  .stats { grid-template-columns: 1fr 1fr; }
  .header { align-items: flex-start; flex-direction: column; }
  .filters { flex-direction: column; align-items: stretch; }
  .batch-bar { flex-direction: column; align-items: flex-start; gap: 6px; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .login-card, .user-card { padding: 24px 18px; }
  .format-grid { grid-template-columns: 1fr; }
}