/* ============================================================
   css/main.css – Login & Register Seite
   BauBoss – Industriell / Baustellenoptik
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
  --bg:         #111111;
  --bg2:        #1a1a1a;
  --bg3:        #242424;
  --border:     #333333;
  --yellow:     #f5a623;
  --yellow-dim: #c47d10;
  --text:       #e8e8e8;
  --text-muted: #888888;
  --danger:     #e84545;
  --success:    #4caf7d;
  --font-head:  'Barlow Condensed', sans-serif;
  --font-body:  'IBM Plex Sans', sans-serif;
  --radius:     4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ── Hintergrundgitter (Bauplan-Optik) ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.25;
  pointer-events: none;
}

/* ── Auth-Wrapper ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  position: relative;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo .logo-icon {
  font-size: 56px;
  line-height: 1;
  display: block;
}

.auth-logo h1 {
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--yellow);
  text-transform: uppercase;
  line-height: 1;
}

.auth-logo p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ── Karte ── */
.auth-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-top: 3px solid var(--yellow);
  width: 100%;
  max-width: 420px;
  padding: 32px;
  border-radius: var(--radius);
  position: relative;
}

.auth-tabs {
  display: flex;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .2s;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
}

.auth-tab.active {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color .2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--yellow);
}

.btn-primary {
  width: 100%;
  background: var(--yellow);
  color: #111;
  border: none;
  border-radius: var(--radius);
  padding: 14px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, transform .1s;
  margin-top: 8px;
}

.btn-primary:hover { background: var(--yellow-dim); }
.btn-primary:active { transform: scale(.98); }

.auth-message {
  min-height: 24px;
  text-align: center;
  font-size: 13px;
  margin-top: 14px;
  border-radius: var(--radius);
  padding: 8px;
}

.auth-message.error  { background: rgba(232,69,69,.15); color: var(--danger); }
.auth-message.success { background: rgba(76,175,125,.15); color: var(--success); }

/* ── Ladeindikator ── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(17,17,17,.9);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  flex-direction: column;
  gap: 16px;
}

.loading-spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--yellow);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--yellow);
  text-transform: uppercase;
}