/* Reusable UI components: login overlay, buttons, cards, tables, forms, alerts, logs and empty states. */
/* ═══ LOGIN OVERLAY ═══ */
.login-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background: radial-gradient(ellipse 70% 50% at 30% 0%, rgba(79,140,255,.08) 0%, transparent 65%), radial-gradient(ellipse 50% 40% at 80% 100%, rgba(0,229,160,.05) 0%, transparent 60%), var(--bg);
  transition: opacity .4s ease;
}
.login-overlay.is-hiding { opacity: 0; pointer-events: none; }
.login-overlay.hidden { display: none; }

.login-card {
  width: min(440px, 100%); background: var(--surface); border: 1px solid var(--border-2);
  border-radius: var(--radius-xl); padding: 36px 32px 32px;
  box-shadow: 0 32px 80px rgba(0,0,0,.7), 0 0 0 1px rgba(79,140,255,.05) inset;
  position: relative; overflow: hidden;
}
.login-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79,140,255,.35), rgba(0,229,160,.2), transparent);
}
.login-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 30px; }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(140deg, var(--accent2), var(--accent));
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  box-shadow: 0 6px 20px rgba(79,140,255,.35);
}
.brand-name { font-size: 17px; font-weight: 800; letter-spacing: -.2px; }
.brand-name span { color: var(--accent); }
.login-card h2 { font-size: 22px; font-weight: 700; margin-bottom: 5px; letter-spacing: -.3px; }
.login-subtitle { color: var(--muted); font-size: 12px; font-family: var(--mono); margin-bottom: 28px; line-height: 1.55; }
.login-fields { display: flex; flex-direction: column; gap: 15px; }
.fields-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 11px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: .7px; font-family: var(--mono); }

input[type=text], input[type=password], input[type=number], input[type=date], select {
  background: var(--bg); border: 1px solid var(--border-2); color: var(--text);
  padding: 11px 14px; border-radius: var(--radius); font-size: 14px; font-family: var(--mono); width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus { outline: none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(79,140,255,.14); }
input::placeholder { color: var(--muted); font-size: 13px; }
select option { background: var(--surface); color: var(--text); }

.login-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.btn {
  padding: 11px 20px; border: none; border-radius: var(--radius);
  font-size: 14px; font-weight: 700; font-family: var(--font);
  cursor: pointer; transition: all .18s ease;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none !important; }
.btn-primary { background: linear-gradient(135deg, #2563eb, var(--accent2)); color: #fff; width: 100%; box-shadow: 0 4px 18px rgba(79,140,255,.3); }
.btn-primary:hover { box-shadow: 0 8px 28px rgba(79,140,255,.45); }
.btn-ghost { background: transparent; border: 1px solid var(--border-2); color: var(--text-2); width: 100%; }
.btn-ghost:hover { background: rgba(255,255,255,.04); border-color: var(--muted); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; box-shadow: 0 4px 14px rgba(255,79,79,.3); }
.btn-danger:hover { box-shadow: 0 6px 20px rgba(255,79,79,.4); }
.btn-success { background: linear-gradient(135deg, #059669, var(--accent)); color: #fff; box-shadow: 0 4px 14px rgba(0,229,160,.3); }
.btn-success:hover { box-shadow: 0 6px 20px rgba(0,229,160,.4); }
.btn-blue { background: var(--accent2); color: #fff; box-shadow: 0 4px 14px rgba(79,140,255,.3); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }
.btn-xs { padding: 4px 10px; font-size: 11px; border-radius: 6px; }

.login-error {
  font-size: 12px; color: var(--danger); background: var(--danger-dim); border: 1px solid rgba(255,79,79,.22);
  border-radius: var(--radius); padding: 10px 13px; font-family: var(--mono); display: none; margin-top: 12px; line-height: 1.5;
}
.login-error.visible { display: block; }
.login-status { font-size: 12px; color: var(--accent); font-family: var(--mono); margin-top: 10px; min-height: 18px; display: flex; align-items: center; gap: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.2); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; flex-shrink: 0; }

.success-toast {
  position: fixed;
  left: 50%;
  top: max(18px, env(safe-area-inset-top, 0px));
  z-index: 10050;
  width: min(420px, calc(100vw - 28px));
  transform: translate(-50%, -18px);
  opacity: 0;
  pointer-events: none;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1px solid rgba(0,229,160,.24);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 18px 48px rgba(0,0,0,.28);
  font: 700 13px/1.4 var(--mono);
  text-align: center;
  transition: opacity .22s ease, transform .22s ease;
}
.success-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.pwa-install-btn[hidden] { display: none !important; }
.topbar .pwa-install-btn {
  width: auto;
  min-width: 76px;
  white-space: nowrap;
}

/* ═══ ALERT BANNER ═══ */
.alert-banner { padding: 12px 18px; border-radius: var(--radius); font-weight: 600; font-size: 12px; margin-bottom: 22px; display: flex; align-items: center; gap: 10px; font-family: var(--mono); letter-spacing: .2px; }
.alert-banner.safe   { background: rgba(0,229,160,.06); border: 1px solid rgba(0,229,160,.18); color: var(--accent); }
.alert-banner.warn   { background: var(--warning-dim); border: 1px solid rgba(255,183,77,.22); color: var(--warning); }
.alert-banner.danger { background: var(--danger-dim); border: 1px solid rgba(255,79,79,.22); color: var(--danger); }

/* ═══ CARD ═══ */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px 24px; margin-bottom: 18px; position: relative; overflow: hidden; }
.card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.05), transparent); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.card-title { font-size: 11px; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: .9px; font-family: var(--mono); }

/* ═══ TABLE ═══ */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 12px; font-family: var(--mono); }
thead th { background: var(--surface-2); color: var(--text-2); padding: 10px 16px; text-align: left; font-weight: 700; border-bottom: 1px solid var(--border); white-space: nowrap; text-transform: uppercase; font-size: 10px; letter-spacing: .7px; }
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.02); }
tbody td { padding: 12px 16px; vertical-align: middle; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 10px; font-weight: 700; letter-spacing: .4px; }
.badge-green  { background: rgba(0,229,160,.1); color: var(--accent); border: 1px solid rgba(0,229,160,.2); }
.badge-red    { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(255,79,79,.2); }
.badge-blue   { background: var(--accent2-dim); color: #7bb3ff; border: 1px solid rgba(79,140,255,.2); }
.badge-yellow { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(255,183,77,.2); }

/* ═══ FORMS ═══ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { font-size: 11px; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: .6px; font-family: var(--mono); display: block; margin-bottom: 6px; }
.inline-success { color: var(--accent); font-size: 12px; font-family: var(--mono); margin-top: 8px; min-height: 1.2em; }

/* ═══ LOG ═══ */
.log-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; max-height: 260px; overflow-y: auto; font-size: 11px; font-family: var(--mono); }
.log-entry { padding: 6px 0; border-bottom: 1px solid var(--border); word-break: break-word; line-height: 1.5; }
.log-entry:last-child { border-bottom: none; }
.log-entry.closed { color: var(--danger); } .log-entry.pending { color: var(--warning); }

/* ═══ EMPTY STATE ═══ */
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); font-family: var(--mono); font-size: 13px; }
.empty-state .empty-icon { font-size: 36px; margin-bottom: 12px; opacity: .5; }

.card-subtitle {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .15px;
}

/* Global utility: used by authenticated SaaS UI to hide panels after state changes. */
.hidden { display: none !important; }