/* iNext IoT Dashboard — BEM, no framework. */

:root {
  --bg: #0f1419;
  --surface: #1a2330;
  --surface-2: #222d3d;
  --border: #2e3b4e;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #f59e0b;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

[hidden] { display: none !important; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.2;
}
.btn:hover { border-color: var(--primary); }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); }
.btn--danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn--danger:hover { background: var(--danger); color: #fff; }
.btn--ghost { background: transparent; }
.btn--small { padding: 4px 9px; font-size: 12px; }

/* ---------- Login ---------- */
.login {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
}
.login__form {
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login__title { margin: 0; font-size: 20px; }
.login__subtitle { margin: 0 0 8px; color: var(--text-dim); }
.login__label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--text-dim); }
.login__input,
.field__input,
.field__select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
}
.login__submit { margin-top: 6px; }
.login__error { color: var(--danger); margin: 0; font-size: 13px; }

/* ---------- App shell ---------- */
.app__header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.app__brand { font-weight: 600; }
.app__user { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.app__username { color: var(--text-dim); }
.app__main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.nav { display: flex; gap: 4px; }
.nav__link {
  color: var(--text-dim);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
}
.nav__link:hover { color: var(--text); background: var(--surface-2); }
.nav__link--active { color: #fff; background: var(--primary); }

/* ---------- View / sections ---------- */
.view__header {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
  gap: 12px;
}
.view__title { margin: 0; font-size: 18px; }
.view__toolbar { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.section { margin-bottom: 32px; }
.section__title { font-size: 15px; color: var(--text-dim); margin: 0 0 10px; text-transform: uppercase; letter-spacing: 0.04em; }

/* ---------- Table ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--surface-2); }
.table__actions { display: flex; gap: 6px; flex-wrap: wrap; }
.table__empty { color: var(--text-dim); padding: 20px; text-align: center; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; border: 1px solid var(--border); color: var(--text-dim); }
.badge--active, .badge--ok { color: var(--success); border-color: var(--success); }
.badge--provisioned { color: var(--primary); border-color: var(--primary); }
.badge--maintenance { color: var(--warn); border-color: var(--warn); }
.badge--decommissioned, .badge--disabled { color: var(--danger); border-color: var(--danger); }

/* ---------- Filters / fields ---------- */
.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-dim); }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; display: grid; place-items: center; z-index: 50; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.55); }
.modal__panel { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; width: 420px; max-width: calc(100vw - 32px); max-height: calc(100vh - 64px); overflow: auto; }
.form { display: flex; flex-direction: column; gap: 14px; }
.form__title { margin: 0 0 4px; font-size: 16px; }
.form__actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.dialog__msg { margin: 0 0 16px; }
.dialog__actions { display: flex; justify-content: flex-end; gap: 8px; }

/* Credential reveal */
.cred { background: var(--bg); border: 1px solid var(--warn); border-radius: 6px; padding: 12px; }
.cred__value { font-family: ui-monospace, monospace; word-break: break-all; font-size: 13px; }
.cred__warn { color: var(--warn); font-size: 12px; margin: 8px 0 0; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--surface-2); border: 1px solid var(--border); border-left-width: 3px; border-radius: 6px; padding: 10px 14px; min-width: 240px; max-width: 360px; }
.toast--error { border-left-color: var(--danger); }
.toast--success { border-left-color: var(--success); }
.toast--info { border-left-color: var(--primary); }

/* ---------- Chart ---------- */
.chart { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.chart__svg { width: 100%; height: 180px; display: block; }
.chart__line { fill: none; stroke: var(--primary); stroke-width: 2; }
.chart__area { fill: rgba(59,130,246,0.12); stroke: none; }
.chart__dot { fill: var(--primary); }
.chart__empty { color: var(--text-dim); text-align: center; padding: 30px; }

/* ---------- Audit diff ---------- */
.diff { display: flex; gap: 10px; font-size: 12px; }
.diff__col { flex: 1; }
.diff__label { color: var(--text-dim); font-size: 11px; text-transform: uppercase; }
.diff__before { color: var(--danger); }
.diff__after { color: var(--success); }
.diff pre { margin: 2px 0 0; white-space: pre-wrap; word-break: break-word; font-family: ui-monospace, monospace; }