/* ============================================================
   style.css – Haussteuerung Dark Mode PWA
   Design: Deep Space Dark, Akzent Indigo-Violett (#6c63ff)
   Mobile-first, großzügige Touch-Targets
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
    --bg:           #0f1117;
    --bg-card:      #1a1d27;
    --bg-elevated:  #22263a;
    --border:       #2a2e42;
    --accent:       #6c63ff;
    --accent-glow:  rgba(108, 99, 255, 0.25);
    --accent-dim:   rgba(108, 99, 255, 0.12);
    --on:           #4ade80;   /* aktiv / eingeschaltet */
    --on-glow:      rgba(74, 222, 128, 0.18);
    --text:         #e8e9f0;
    --text-dim:     #8b8fa8;
    --danger:       #f87171;
    --radius:       16px;
    --radius-sm:    10px;
    --shadow:       0 4px 24px rgba(0,0,0,0.4);
    --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html { height: 100%; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
    overscroll-behavior: none;
}

/* ── Header ─────────────────────────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    padding-top: max(16px, env(safe-area-inset-top));
    background: rgba(15,17,23,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.app-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
}

.avatar-initials {
    background: var(--accent);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon {
    color: var(--text-dim);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 6px;
    border-radius: 8px;
    transition: color 0.15s, background 0.15s;
}
.btn-icon:hover { color: var(--text); background: var(--bg-elevated); }

/* ── Filterleiste ───────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 8px;
    padding: 14px 20px;
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--border);
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
    flex-shrink: 0;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font);
}
.filter-btn:hover  { border-color: var(--accent); color: var(--text); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

/* ── Hauptbereich ───────────────────────────────────────── */
.main-content {
    padding: 20px;
    position: relative;
    min-height: 60vh;
}

/* ── Geräte-Grid ────────────────────────────────────────── */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}

/* ── Geräte-Karte ───────────────────────────────────────── */
.device-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    cursor: pointer;
    position: relative;
    transition: transform 0.15s, border-color 0.2s, box-shadow 0.2s;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.device-card:active { transform: scale(0.97); }

.device-card.on {
    border-color: var(--on);
    box-shadow: 0 0 0 1px var(--on), 0 4px 20px var(--on-glow);
    background: linear-gradient(145deg, var(--bg-card) 60%, rgba(74,222,128,0.06));
}

.device-card .card-icon {
    font-size: 2rem;
    line-height: 1;
}

.device-card .card-name {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
}

.device-card .card-room {
    font-size: 0.78rem;
    color: var(--text-dim);
}

.device-card .card-wert {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
}

.device-card .card-toggle {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Toggle-Switch */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 26px;
    flex-shrink: 0;
}
.toggle-switch input { display: none; }
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-elevated);
    border-radius: 999px;
    transition: background 0.2s;
    border: 1px solid var(--border);
}
.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--text-dim);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.2s, background 0.2s;
}
input:checked + .toggle-slider { background: var(--on); border-color: var(--on); }
input:checked + .toggle-slider::before { transform: translateX(18px); background: white; }

/* Löschen-Button auf Karte */
.card-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
    font-size: 0.85rem;
}
.device-card:hover .card-delete { opacity: 1; }
.card-delete:hover { color: var(--danger); }

/* ── FAB (Floating Action Button) ───────────────────────── */
.fab {
    position: fixed;
    bottom: 28px;
    right: 24px;
    bottom: max(28px, calc(env(safe-area-inset-bottom) + 16px));
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, box-shadow 0.15s;
    z-index: 50;
}
.fab:hover  { transform: scale(1.08); box-shadow: 0 6px 28px var(--accent-glow); }
.fab:active { transform: scale(0.95); }

/* ── Log-Sektion ─────────────────────────────────────────── */
.log-section {
    padding: 0 20px 40px;
}

.section-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.log-list { display: flex; flex-direction: column; gap: 6px; }

.log-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
}

.log-entry .log-time { color: var(--text-dim); font-size: 0.75rem; min-width: 80px; }
.log-entry .log-user { color: var(--accent); font-weight: 600; }
.log-entry .log-action { color: var(--text-dim); flex: 1; }

/* ── Loading Spinner ─────────────────────────────────────── */
.loading-spinner {
    grid-column: 1/-1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    color: var(--text-dim);
}
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.12s;
}
.btn:active { transform: scale(0.97); }
.btn-full   { width: 100%; }

.btn-primary   { background: var(--accent); color: white; }
.btn-primary:hover { opacity: 0.88; }
.btn-secondary { background: var(--bg-elevated); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger    { background: var(--danger); color: white; }

.btn-google {
    background: white;
    color: #1f1f1f;
    font-weight: 600;
    border: 1px solid #e0e0e0;
}
.btn-google:hover { background: #f5f5f5; }

/* ── Modals ──────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 200;
    padding: 0 0 env(safe-area-inset-bottom);
}
@media (min-width: 500px) {
    .modal-backdrop { align-items: center; padding: 0; }
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 28px 24px 32px;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
@media (min-width: 500px) {
    .modal { border-radius: var(--radius); }
}

.modal h3 { font-size: 1.1rem; font-weight: 700; }

.modal-actions { display: flex; gap: 10px; margin-top: 4px; }
.modal-actions .btn { flex: 1; }

/* ── Formulare ───────────────────────────────────────────── */
label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dim);
}
label small { font-weight: 400; }

input[type="text"],
input[type="email"],
input[type="password"],
select {
    padding: 12px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.15s;
}
input:focus, select:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-dim); }
select option { background: var(--bg-card); }

/* ── Login-Seite ─────────────────────────────────────────── */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background: radial-gradient(ellipse at 50% 0%, rgba(108,99,255,0.15) 0%, var(--bg) 65%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 32px;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    box-shadow: var(--shadow);
}

.login-logo { display: flex; justify-content: center; }

.login-card h1 {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.login-sub { text-align: center; color: var(--text-dim); font-size: 0.9rem; }

.tab-bar {
    display: flex;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    padding: 4px;
    gap: 4px;
}
.tab-btn {
    flex: 1;
    padding: 9px;
    border: none;
    background: transparent;
    border-radius: 8px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font);
}
.tab-btn.active { background: var(--bg-card); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.3); }

.tab-content { display: none; flex-direction: column; gap: 14px; }
.tab-content.active { display: flex; }

.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dim);
    font-size: 0.8rem;
}
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}
.alert-error { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.3); color: var(--danger); }

/* ── Hilfsstil ───────────────────────────────────────────── */
.muted { color: var(--text-dim); font-size: 0.875rem; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 400px) {
    .device-grid { grid-template-columns: repeat(2, 1fr); }
    .main-content { padding: 16px; }
}

@media (min-width: 700px) {
    .device-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

/* ── Shelly-Karte ────────────────────────────────────────────── */
.shelly-card { cursor: default; }
.shelly-card .card-top { cursor: pointer; }

.shelly-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 5px;
}
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.badge-online  { background: var(--on-glow);         color: var(--on);     border: 1px solid var(--on); }
.badge-offline { background: rgba(248,113,113,0.12); color: var(--danger); border: 1px solid rgba(248,113,113,0.3); }
.badge-watt    { background: var(--accent-dim);       color: var(--accent); border: 1px solid var(--accent); }
.badge-verbindung { background: rgba(255,255,255,0.05); color: var(--text-dim); border: 1px solid var(--border); font-size: 0.68rem; }

/* Mini Sparkline auf Karte */
.shelly-mini-chart {
    cursor: pointer;
    padding: 6px 0 2px;
    position: relative;
    border-top: 1px solid var(--border);
}
.shelly-mini-chart svg { display: block; }
.mini-chart-hint {
    position: absolute;
    top: 8px;
    right: 0;
    font-size: 0.68rem;
    color: var(--text-dim);
}
.shelly-mini-chart:hover .mini-chart-hint { color: var(--accent); }

/* Card-Top clickable area */
.card-top {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

/* ── Chart-Modal ────────────────────────────────────────────── */
.modal-chart {
    max-width: 640px;
    width: 100%;
    padding: 24px 20px 28px;
}
.chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}
.chart-header h3 { font-size: 1.1rem; }

.chart-range-bar { display: flex; gap: 6px; }
.range-btn {
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font);
    transition: all 0.15s;
}
.range-btn:hover  { border-color: var(--accent); color: var(--text); }
.range-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

/* Live-Statistiken */
.shelly-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
@media (max-width: 420px) { .shelly-stats { grid-template-columns: repeat(2, 1fr); } }

.stat-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.stat-val   { font-size: 1rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.stat-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

/* Chart Canvas */
.chart-wrapper { position: relative; height: 200px; }
@media (min-width: 500px) { .chart-wrapper { height: 240px; } }
.chart-wrapper canvas { width: 100% !important; height: 100% !important; }

.chart-empty {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.875rem;
    padding: 40px 20px;
    line-height: 1.6;
}

/* ── Toast ───────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 500;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    white-space: nowrap;
    pointer-events: none;
}
.toast.toast-show  { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.toast-error { border-color: rgba(248,113,113,0.4); color: var(--danger); }