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

:root {
  --bg:       #0d0d0f;
  --bg2:      #16161a;
  --bg3:      #1e1e24;
  --border:   #2a2a35;
  --text:     #e8e8f0;
  --text-dim: #8888aa;
  --accent:   #7c6af5;
  --accent2:  #5b4fcf;
  --success:  #22c55e;
  --warning:  #f59e0b;
  --danger:   #ef4444;
  --info:     #38bdf8;
  --radius:   8px;
  --radius-lg:16px;
  --shadow:   0 4px 24px rgba(0,0,0,.4);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 2rem; font-weight: 700; margin-bottom: .5rem; }
h2 { font-size: 1.4rem; font-weight: 600; margin: 1.5rem 0 .75rem; }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: .5rem; }
p  { margin-bottom: .75rem; }

.text-muted { color: var(--text-dim); }
.font-mono  { font-family: 'Consolas', 'Courier New', monospace; }
.text-sm    { font-size: .85rem; }

/* ── Layout ───────────────────────────────────────────────── */
.container        { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.container--narrow{ max-width: 640px; }

/* ── Top Nav ──────────────────────────────────────────────── */
.top-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.5rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand a, .nav-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.drum-icon { margin-right: .3rem; }
.nav-links  { display: flex; gap: 1.25rem; list-style: none; flex: 1; }
.nav-links a { color: var(--text-dim); font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }
.nav-user  { display: flex; align-items: center; gap: .75rem; margin-left: auto; color: var(--text-dim); font-size: .9rem; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1.25rem;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity .15s, background .15s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { opacity: .88; text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary  { background: var(--accent);  color: #fff; }
.btn-secondary{ background: var(--bg3);     color: var(--text); border: 1px solid var(--border); }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-ghost    { background: transparent;    color: var(--text-dim); border: 1px solid var(--border); }
.btn-sm  { padding: .35rem .85rem; font-size: .85rem; }
.btn-xs  { padding: .25rem .6rem;  font-size: .78rem; }
.btn-lg  { padding: .75rem 1.75rem; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; margin-bottom: .6rem; }

/* ── Forms ────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label { font-size: .9rem; color: var(--text-dim); font-weight: 500; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
input[type="file"],
select,
textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: .55rem .85rem;
  font-size: .95rem;
  font-family: inherit;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input[type="file"] { padding: .4rem .7rem; cursor: pointer; }
textarea { resize: vertical; min-height: 100px; }

.input-disabled { opacity: .5; cursor: not-allowed; }
.field-hint { font-size: .82rem; color: var(--text-dim); }
.required   { color: var(--danger); }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: .95rem;
}
.alert-success { background: rgba(34,197,94,.12);  border: 1px solid rgba(34,197,94,.3);  color: #86efac; }
.alert-error   { background: rgba(239,68,68,.12);  border: 1px solid rgba(239,68,68,.3);  color: #fca5a5; }
.alert-warning { background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.3); color: #fcd34d; }
.alert-info    { background: rgba(56,189,248,.12); border: 1px solid rgba(56,189,248,.3); color: #7dd3fc; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-trial    { background: rgba(56,189,248,.15);  color: var(--info);    }
.badge-active   { background: rgba(34,197,94,.15);   color: var(--success); }
.badge-cancelled{ background: rgba(245,158,11,.15);  color: var(--warning); }
.badge-expired  { background: rgba(239,68,68,.15);   color: var(--danger);  }
.badge-pending  { background: rgba(168,85,247,.15);  color: #d8b4fe;        }
.badge-locked   { background: var(--border); color: var(--text-dim); }

/* ── Toggle ───────────────────────────────────────────────── */
.toggle { display: inline-flex; align-items: center; cursor: pointer; }
.toggle input { display: none; }
.toggle-slider {
  width: 42px; height: 24px;
  background: var(--border);
  border-radius: 99px;
  position: relative;
  transition: background .2s;
}
.toggle-slider::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px; left: 3px;
  transition: transform .2s;
}
.toggle input:checked + .toggle-slider { background: var(--accent); }
.toggle input:checked + .toggle-slider::after { transform: translateX(18px); }

/* ── Tables ───────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  margin-bottom: 1.5rem;
}
.data-table th {
  text-align: left;
  padding: .6rem .8rem;
  background: var(--bg3);
  color: var(--text-dim);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: .65rem .8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--bg2); }
.data-table--sm td, .data-table--sm th { padding: .4rem .6rem; font-size: .85rem; }
.row-inactive td { opacity: .5; }
.row-actions { display: flex; gap: .5rem; }

/* ── Status messages ──────────────────────────────────────── */
.status-msg { padding: .4rem 0; font-size: .9rem; min-height: 1.4rem; }
.status-success { color: var(--success); }
.status-error   { color: var(--danger);  }
.status-info    { color: var(--info);    }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-dim);
  font-size: .85rem;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .top-nav  { flex-wrap: wrap; gap: .75rem; }
  .nav-links{ gap: .75rem; }
  h1 { font-size: 1.5rem; }
}