/* ============================================================
   style.css
   Globale Styles für BlockBatch.
   CSS Custom Properties (Variablen) für konsistente Farben.
   Mobile-first: zuerst kleiner Bildschirm, dann größer.
   ============================================================ */

/* --- CSS Variablen -----------------------------------------
   :root ist das "Wurzel-Element" (= <html>).
   Variablen mit -- können überall per var() genutzt werden. */
:root {
  --bg-primary:    #0f172a;   /* Dunkelblau — Haupt-Hintergrund */
  --bg-secondary:  #1e293b;   /* Etwas heller — Karten, Sidebar */
  --bg-hover:      #334155;   /* Hover-Zustand */
  --accent:        #6366f1;   /* Lila — Buttons, Links, Highlights */
  --accent-hover:  #4f46e5;
  --success:       #22c55e;   /* Grün — Online, Erfolg */
  --warning:       #f59e0b;   /* Gelb — Reconnecting, Warnung */
  --error:         #ef4444;   /* Rot — Fehler, Offline */
  --text-primary:  #f1f5f9;   /* Fast weiß — Haupttext */
  --text-muted:    #64748b;   /* Grau — Nebentext, Labels */
  --border:        #334155;   /* Rand-Farbe */
  --radius:        8px;        /* Standard-Abrundung */
  --font:          'Inter', system-ui, sans-serif;
}

/* --- Reset -------------------------------------------------
   Browser haben unterschiedliche Standard-Styles.
   box-sizing: border-box macht Größenberechnungen intuitiver:
   padding und border werden IN die Breite eingerechnet, nicht extra. */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* --- Layout ------------------------------------------------ */
.layout {
  display: grid;
  /* Sidebar (240px) + Hauptinhalt (Rest) nebeneinander */
  grid-template-columns: 240px 1fr;
  grid-template-rows: 60px 1fr;
  min-height: 100vh;
}

/* Auf kleinen Bildschirmen: keine Sidebar, alles untereinander */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 60px 1fr;
  }
  .sidebar { display: none; }
}

/* --- Header ----------------------------------------------- */
.header {
  grid-column: 1 / -1;  /* Erstreckt sich über alle Spalten */
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}

.header__logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.header__user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* --- Sidebar ---------------------------------------------- */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 1rem 0;
}

.nav__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 0;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav__item:hover,
.nav__item--active {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav__item--active {
  border-left: 3px solid var(--accent);
}

/* --- Main Content ----------------------------------------- */
.main {
  padding: 1.5rem;
  overflow-y: auto;
}

/* --- Karten ----------------------------------------------- */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

/* --- Bot-Grid --------------------------------------------- */
.bot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.bot-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s;
}

.bot-card:hover {
  border-color: var(--accent);
}

.bot-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bot-card__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.bot-card__task {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Status Badge ----------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;  /* Pill-Form */
  font-size: 0.75rem;
  font-weight: 600;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge--online      { color: var(--success); background: #14532d44; }
.badge--offline     { color: var(--text-muted); background: #33415544; }
.badge--connecting  { color: var(--warning); background: #78350f44; }
.badge--error       { color: var(--error); background: #7f1d1d44; }

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}

.btn--primary {
  background: var(--accent);
  color: white;
}

.btn--primary:hover { background: var(--accent-hover); }

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn--danger {
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error)44;
}

.btn--danger:hover { background: #7f1d1d44; }

.btn--sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

/* --- Login-Seite ------------------------------------------ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
}

.login-box__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.login-box__sub {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

/* --- Formular-Elemente ------------------------------------ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-input {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.875rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

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

/* --- Hilfklassen ------------------------------------------ */
.flex        { display: flex; }
.items-center { align-items: center; }
.gap-2       { gap: 0.5rem; }
.gap-4       { gap: 1rem; }
.mt-4        { margin-top: 1rem; }
.w-full      { width: 100%; }
.text-muted  { color: var(--text-muted); }
.text-sm     { font-size: 0.875rem; }
.font-bold   { font-weight: 700; }
