/* pda-mail admin — PDAT design v3 */

:root {
  --bg: hsl(220, 20%, 6%);
  --bg-card: hsl(220, 18%, 10%);
  --text: hsl(0, 0%, 95%);
  --text-dim: hsl(220, 10%, 55%);
  --primary: hsl(330, 90%, 60%);
  --accent: hsl(25, 95%, 55%);
  --border: hsl(220, 15%, 20%);
  --gradient: linear-gradient(135deg, hsl(330, 90%, 60%) 0%, hsl(25, 95%, 55%) 100%);
  --gradient-text: linear-gradient(135deg, hsl(330, 90%, 65%) 0%, hsl(25, 95%, 60%) 50%, hsl(330, 90%, 65%) 100%);
  --glass-bg: hsla(220, 18%, 10%, 0.6);
  --glass-border: hsla(220, 15%, 25%, 0.5);
  --shadow-glow: 0 0 30px hsla(330, 90%, 60%, 0.15);
  --green: hsl(150, 80%, 50%);
  --amber: hsl(40, 95%, 55%);
  --red: hsl(0, 80%, 60%);
  --cyan: hsl(195, 90%, 55%);
  --sidebar-w: 240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; -webkit-font-smoothing: antialiased; }

/* ── Utilities ─────────────────────────── */
.grid-pattern {
  background-image: linear-gradient(hsla(220,15%,17%,.5) 1px,transparent 1px), linear-gradient(90deg,hsla(220,15%,17%,.5) 1px,transparent 1px);
  background-size: 60px 60px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); display: inline-block; flex-shrink: 0; }
.mono { font-family: 'JetBrains Mono','Fira Code',monospace; font-size: .85em; }
@keyframes gradient-shift { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }

/* ── Buttons ───────────────────────────── */
.btn-grad {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.5rem; background: var(--gradient); color: #fff;
  font: 700 .85rem/1 inherit; border: none; border-radius: 10px; cursor: pointer;
  transition: transform .2s, box-shadow .2s; text-decoration: none;
}
.btn-grad:hover { transform: translateY(-1px); box-shadow: 0 8px 30px hsla(330,90%,60%,.3); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.5rem; background: hsla(220,15%,15%,.5); color: var(--text);
  font: 600 .85rem/1 inherit; border: 1px solid var(--glass-border); border-radius: 10px;
  cursor: pointer; transition: all .2s; text-decoration: none;
}
.btn-outline:hover { border-color: var(--text-dim); background: hsla(220,15%,15%,.8); }

.btn-sm { padding: .5rem 1rem; font-size: .78rem; }
.btn-danger {
  background: none; border: 1px solid hsla(0,80%,60%,.3); color: var(--red);
  padding: .3rem .7rem; border-radius: 8px; font: 600 .7rem/1 inherit; cursor: pointer;
}
.btn-danger:hover { background: hsla(0,80%,60%,.1); }
.btn-block { width: 100%; }

/* ── Login ─────────────────────────────── */
.login-overlay { position: fixed; inset: 0; background: var(--bg); z-index: 200; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.login-bg-grid { position: absolute; inset: 0; opacity: .3; }
.login-bg-glow { position: absolute; top: 30%; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle,hsla(330,90%,60%,.12) 0%,hsla(25,95%,55%,.08) 40%,transparent 70%); pointer-events: none; }

.login-box {
  width: 400px; max-width: calc(100vw - 2rem); position: relative; z-index: 1;
  background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); border-radius: 20px; padding: 2.5rem;
  box-shadow: var(--shadow-glow);
}
.login-brand { display: flex; align-items: center; gap: .5rem; font-size: 1rem; font-weight: 700; margin-bottom: 1.5rem; }
.login-box h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: .35rem; }
.login-box .sub { font-size: .8rem; color: var(--text-dim); margin-bottom: 1.5rem; }
.login-box label { font-size: .68rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; display: block; margin-bottom: .4rem; }
.login-box input {
  width: 100%; padding: .65rem .9rem; background: var(--bg); border: 1px solid var(--glass-border);
  border-radius: 8px; color: var(--text); font: .82rem inherit; margin-bottom: 1rem; outline: none;
}
.login-box input:focus { border-color: var(--primary); }
.login-box .error { color: var(--red); font-size: .72rem; margin-top: .75rem; display: none; }

.divider { text-align: center; margin: 1rem 0; position: relative; }
.divider::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--glass-border); }
.divider span { position: relative; padding: 0 .75rem; background: hsl(220,18%,10%); color: var(--text-dim); font-size: .72rem; }

/* ── Sidebar ───────────────────────────── */
.sidebar {
  width: var(--sidebar-w); min-height: 100vh; position: fixed; left: 0; top: 0; bottom: 0; z-index: 50;
  background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border); display: flex; flex-direction: column;
}
.sidebar .brand {
  padding: 1.25rem 1.25rem; font-size: 1rem; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: .5rem; border-bottom: 1px solid var(--glass-border); text-decoration: none;
}
.sidebar nav { flex: 1; padding: .5rem 0; }
.sidebar nav a {
  display: flex; align-items: center; gap: .65rem; padding: .65rem 1.25rem;
  color: var(--text-dim); text-decoration: none; font-size: .82rem; font-weight: 500;
  border-left: 3px solid transparent; transition: all .15s;
}
.sidebar nav a svg { flex-shrink: 0; opacity: .5; width: 17px; height: 17px; }
.sidebar nav a:hover { color: var(--text); background: hsla(220,15%,15%,.5); }
.sidebar nav a:hover svg { opacity: .8; }
.sidebar nav a.active { color: var(--text); border-left-color: var(--primary); background: hsla(330,90%,60%,.06); }
.sidebar nav a.active svg { opacity: 1; stroke: var(--primary); }

.sidebar-footer { padding: .75rem 1.25rem; border-top: 1px solid var(--glass-border); }
.sidebar-user { font-size: .72rem; color: var(--text-dim); margin-bottom: .5rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-logout { display: flex; align-items: center; gap: .4rem; padding: .35rem 0; background: none; border: none; color: var(--text-dim); font: .75rem inherit; cursor: pointer; }
.btn-logout:hover { color: var(--red); }

/* ── Main ──────────────────────────────── */
.main { margin-left: var(--sidebar-w); padding: 2rem 2.5rem; min-height: 100vh; }

.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: -.5px; }
.page-header .meta { font-size: .78rem; color: var(--text-dim); }
.page-header .meta strong { color: var(--text); }

/* ── Stat Cards ────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); border-radius: 14px; padding: 1.1rem 1.25rem;
  transition: border-color .2s;
}
.stat-card:hover { border-color: var(--border); }
.stat-card .label { font-size: .62rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .8px; margin-bottom: .4rem; }
.stat-card .val {
  font-size: 1.65rem; font-weight: 700; letter-spacing: -1px;
  background-image: var(--gradient-text); background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: gradient-shift 8s ease infinite;
}
.stat-card .val.green  { -webkit-text-fill-color: var(--green); background: none; }
.stat-card .val.amber  { -webkit-text-fill-color: var(--amber); background: none; }
.stat-card .val.red    { -webkit-text-fill-color: var(--red); background: none; }
.stat-card .val.cyan   { -webkit-text-fill-color: var(--cyan); background: none; }

/* second row — smaller */
.stats-row-sm { grid-template-columns: repeat(4, 1fr); }
.stats-row-sm .stat-card .val { font-size: 1.35rem; }

/* ── Tables ────────────────────────────── */
.panel {
  background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); border-radius: 14px; overflow: hidden; margin-bottom: 1.5rem;
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: .7rem 1.1rem; text-align: left; font-size: .78rem; }
th { color: var(--text-dim); font-weight: 600; font-size: .68rem; text-transform: uppercase; letter-spacing: .4px; border-bottom: 1px solid var(--glass-border); }
td { color: var(--text-dim); border-bottom: 1px solid hsla(220,15%,20%,.15); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: hsla(220,15%,15%,.25); }

/* ── Badges ────────────────────────────── */
.badge { display: inline-block; padding: .15rem .55rem; border-radius: 6px; font-size: .63rem; font-weight: 600; letter-spacing: .2px; }
.badge-green { background: hsla(150,80%,50%,.1); color: var(--green); border: 1px solid hsla(150,80%,50%,.2); }
.badge-amber { background: hsla(40,95%,55%,.1); color: var(--amber); border: 1px solid hsla(40,95%,55%,.2); }
.badge-red   { background: hsla(0,80%,60%,.1); color: var(--red); border: 1px solid hsla(0,80%,60%,.2); }
.badge-cyan  { background: hsla(195,90%,55%,.08); color: var(--cyan); border: 1px solid hsla(195,90%,55%,.15); }
.badge-dim   { background: hsla(220,10%,55%,.08); color: var(--text-dim); border: 1px solid hsla(220,10%,55%,.15); }

/* ── Settings sections ─────────────────── */
.settings-section { margin-bottom: 2rem; }
.settings-section h3 { font-size: 1rem; font-weight: 700; margin-bottom: .2rem; }
.settings-section .desc { font-size: .78rem; color: var(--text-dim); margin-bottom: .75rem; }
.settings-actions { display: flex; align-items: center; gap: .75rem; margin-top: .75rem; }
.settings-hint { font-size: .72rem; color: var(--text-dim); }

.info-grid { border-radius: 14px; overflow: hidden; }
.info-grid .panel { margin-bottom: 0; }
.info-row { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1.1rem; border-bottom: 1px solid hsla(220,15%,20%,.15); }
.info-row:last-child { border-bottom: none; }
.info-label { font-size: .78rem; color: var(--text-dim); }
.info-value { font-size: .78rem; color: var(--text); font-weight: 600; }

/* ── Modal ─────────────────────────────── */
.modal {
  position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center;
  background: hsla(220,20%,6%,.85); backdrop-filter: blur(4px);
}
.modal-card {
  width: 440px; max-width: calc(100vw - 2rem);
  background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border); border-radius: 20px; padding: 2rem; box-shadow: var(--shadow-glow);
}
.modal-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .35rem; }
.modal-card .sub { font-size: .78rem; color: var(--text-dim); margin-bottom: 1.25rem; }
.modal-card label { font-size: .68rem; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; display: block; margin-bottom: .4rem; }
.modal-card input {
  width: 100%; padding: .65rem .9rem; background: var(--bg); border: 1px solid var(--glass-border);
  border-radius: 8px; color: var(--text); font: .82rem inherit; margin-bottom: 1rem; outline: none;
}
.modal-card input:focus { border-color: var(--primary); }
.modal-btns { display: flex; gap: .5rem; }
.modal-btns .btn-grad, .modal-btns .btn-outline { flex: 1; }

.key-display {
  background: var(--bg); border: 1px solid var(--glass-border); border-radius: 8px;
  padding: .75rem; font: .78rem 'JetBrains Mono',monospace; color: var(--primary);
  word-break: break-all; margin-bottom: 1rem; user-select: all;
}

/* ── Connection status ─────────────────── */
.conn-status { position: fixed; bottom: .75rem; right: .75rem; font-size: .68rem; font-weight: 500; padding: .3rem .75rem; border-radius: 6px; z-index: 100; }
.conn-status.connected { background: hsla(150,80%,50%,.1); color: var(--green); border: 1px solid hsla(150,80%,50%,.2); }
.conn-status.disconnected { background: hsla(0,80%,60%,.1); color: var(--red); border: 1px solid hsla(0,80%,60%,.2); }

/* ── Views ─────────────────────────────── */
.view { display: none; }
.view.active { display: block; }

/* ── Responsive ────────────────────────── */
@media (max-width: 1100px) {
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .stats-row-sm { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 56px; }
  .sidebar .brand span, .sidebar nav a span, .sidebar-user, .btn-logout span { display: none; }
  .sidebar nav a { justify-content: center; padding: .65rem; }
  .sidebar .brand { justify-content: center; padding: 1rem .5rem; }
  .main { padding: 1.25rem; }
  .stats-row, .stats-row-sm { grid-template-columns: repeat(2, 1fr); }
}