/* ========================================
   HeatIQ – Mobile-First Glassmorphism UI
   ======================================== */

/* --- Abel Font --- */
@font-face {
    font-family: 'Abel';
    src: url('/fonts/abel/abel.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-light: rgba(255, 255, 255, 0.12);

    --text-primary: #f0f0f5;
    --text-secondary: rgba(240, 240, 245, 0.6);
    --text-muted: rgba(240, 240, 245, 0.55);

    --accent: #c01212;
    --accent-glow: rgba(192, 18, 18, 0.4);
    --accent-soft: rgba(192, 18, 18, 0.15);
    --accent-warm: #ff6b6b;

    --success: #22c55e;
    --success-glow: rgba(34, 197, 94, 0.3);
    --warning: #f59e0b;
    --danger: #ef4444;

    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    --shadow-glow: 0 0 40px rgba(192, 18, 18, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-deep: 0 16px 48px rgba(0, 0, 0, 0.5);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Abel', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.02em;
}

/* Hintergrund-Gradient */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 20%, rgba(192, 18, 18, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(192, 18, 18, 0.04) 0%, transparent 50%);
    z-index: -1;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, 3%) rotate(3deg); }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 0; }

/* --- Login Screen --- */
.login-screen {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    padding-top: calc(24px + var(--safe-top));
}

.login-logo {
    width: 180px;
    margin-bottom: 8px;
    animation: fadeInDown 0.8s ease-out;
    filter: brightness(0) invert(1);
}

.login-brand {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    letter-spacing: 0.12em;
    animation: fadeInDown 0.8s ease-out 0.1s both;
}

.login-brand strong {
    font-weight: 700;
}

.login-brand .version {
    font-size: 0.75rem;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-deep);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 28px;
    text-align: center;
    color: var(--text-primary);
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group .icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Abel', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.02em;
    outline: none;
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--accent);
    background: rgba(192, 18, 18, 0.05);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

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

.password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 12px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:active {
    color: var(--text-primary);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Abel', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:active {
    transform: scale(0.97);
    box-shadow: 0 2px 10px var(--accent-glow);
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-warm);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-align: center;
    animation: shake 0.4s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* --- App Shell --- */
.app-shell {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding-bottom: calc(72px + var(--safe-bottom));
}

/* --- Header --- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    padding-top: calc(16px + var(--safe-top));
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    height: 28px;
    filter: brightness(0) invert(1);
}

.header-brand {
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
    font-weight: 400;
}

.header-brand strong {
    font-weight: 700;
}

.version {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.header-greeting {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.header-greeting strong {
    font-weight: 400;
}

/* --- Dashboard Content --- */
.dashboard {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 0.5s ease-out;
}


@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* --- Summary Bar --- */
.summary-bar {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 16px 12px;
    box-shadow: var(--shadow-card);
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.summary-value {
    font-size: 1.4rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.summary-klein {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.summary-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.summary-trenner {
    width: 1px;
    height: 28px;
    background: var(--border-glass);
}

/* --- Raum-Card (Übersicht) --- */
.raum-card {
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.raum-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.raum-card:active {
    transform: scale(0.98);
    background: var(--bg-glass-hover);
}

.raum-card.raum-offline {
    opacity: 0.45;
}

.raum-card-oben {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.raum-card-links {
    flex: 1;
    min-width: 0;
}

.raum-card-name {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.raum-card-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.raum-status-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.raum-status-tag.heizt {
    background: rgba(192, 18, 18, 0.15);
    color: var(--accent-warm);
    border: 1px solid rgba(192, 18, 18, 0.25);
}

.raum-status-tag.standby {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
}

.raum-status-tag.aus {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    border: 1px solid var(--border-glass);
}

.raum-status-tag.offline {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}


.raum-card-temps {
    text-align: right;
    flex-shrink: 0;
}

.raum-ist-temp {
    font-size: 2rem;
    line-height: 1;
    color: var(--text-primary);
}

.raum-ist-temp.gedimmt {
    color: var(--text-muted);
}

.raum-ist-temp .temp-einheit {
    font-size: 1rem;
    color: var(--text-secondary);
}

.raum-soll-temp {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* --- Panel-Zeilen in Raum-Card (Übersicht) --- */
.raum-card-panels {
    border-top: 1px solid var(--border-glass);
    margin-top: 14px;
}

.raum-card-panel-zeile {
    display: flex;
    align-items: center;
    height: 44px;
    gap: 0;
}

.raum-card-panel-zeile:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.raum-card-panel-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.raum-card-panel-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.raum-card-panel-rechts {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    margin-left: 8px;
}

.raum-card-panel-watt {
    font-size: 0.75rem;
    color: var(--accent);
    min-width: 32px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.raum-card-panel-watt.offline-text {
    color: var(--danger);
    font-size: 0.7rem;
}

/* Mini-Toggle */
.panel-toggle.mini {
    width: 40px;
    height: 24px;
    border-radius: 12px;
    position: relative;
}

.panel-toggle.mini::after {
    content: '';
    position: absolute;
    inset: -10px -4px;
}

.panel-toggle.mini .toggle-knob {
    width: 16px;
    height: 16px;
    top: 3px;
    left: 3px;
}

.panel-toggle.mini.aktiv .toggle-knob {
    left: 19px;
}

/* --- Detail: Raum-Header --- */
.detail-raum-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
}

.detail-raum-name {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.detail-raum-status {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.raum-power-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-glass-light);
    background: var(--bg-glass);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    -webkit-tap-highlight-color: transparent;
}

.raum-power-btn.aktiv {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.raum-power-btn:active {
    transform: scale(0.9);
}

/* --- Temperatur-Rad (Nest-Style) --- */
.thermo-wrapper {
    display: flex;
    justify-content: center;
    padding: 8px 0;
}

.thermo-ring {
    position: relative;
    width: 260px;
    height: 260px;
    touch-action: none;
}

.thermo-svg {
    width: 100%;
    height: 100%;
}

.thermo-skala line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1;
}

.thermo-skala line.markiert {
    stroke: rgba(255, 255, 255, 0.2);
    stroke-width: 1.5;
}

.thermo-skala text {
    fill: var(--text-muted);
    font-family: 'Abel', sans-serif;
    font-size: 10px;
    text-anchor: middle;
}

.thermo-bogen {
    stroke-dasharray: 0 9999;
    transition: stroke-dasharray 0.3s ease-out;
}

.thermo-griff {
    stroke: var(--bg-primary);
    stroke-width: 3;
    cursor: grab;
    transition: filter 0.15s;
}

.thermo-griff:active,
.thermo-griff.aktiv {
    cursor: grabbing;
    r: 19;
}

.thermo-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}

.thermo-ist-wert {
    font-size: 3rem;
    line-height: 1;
    color: var(--text-primary);
}

.thermo-ist-einheit {
    font-size: 1.2rem;
    color: var(--text-secondary);
    vertical-align: super;
}

.thermo-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 4px 0 10px;
}

.thermo-soll {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    padding: 4px 14px;
}

.thermo-soll-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.thermo-soll-wert {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.thermo-soll-einheit {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* --- Detail: Section-Titel --- */
.detail-section-titel {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

/* --- Detail: Panel-Cards --- */
.detail-panel-cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-panel-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.detail-panel-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
}

.detail-panel-card.panel-offline {
    opacity: 0.45;
}

.detail-panel-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.detail-panel-name {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.detail-panel-meta {
    display: flex;
    gap: 10px;
    margin-left: auto;
    align-items: center;
    flex-shrink: 0;
}

.detail-panel-stat {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 3px;
}

.detail-panel-stat .mini-icon {
    width: 13px;
    height: 13px;
}

.detail-panel-stat.watt-aktiv {
    color: var(--accent);
}

.detail-panel-stat.status-text {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* Mini-Stats (in Raum-Gruppen + Einzelpanels) */
.mini-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.mini-stat.gedimmt {
    color: var(--text-muted);
}

.mini-stat.offline-text {
    color: var(--danger);
    font-size: 0.75rem;
}

.mini-icon {
    width: 14px;
    height: 14px;
    display: block;
    color: var(--text-muted);
}

/* --- Status Dot Mini --- */
.status-dot-mini {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot-mini.online {
    background: var(--success);
    box-shadow: 0 0 6px var(--success-glow);
    animation: pulse 2s ease-in-out infinite;
}

.status-dot-mini.offline {
    background: var(--danger);
    opacity: 0.6;
}

/* --- Panel Toggle Switch --- */
.panel-toggle {
    width: 48px;
    height: 28px;
    border-radius: 14px;
    border: 1px solid var(--border-glass-light);
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-smooth);
    -webkit-tap-highlight-color: transparent;
    padding: 0;
}

.panel-toggle .toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all var(--transition-smooth);
}

.panel-toggle.aktiv {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.panel-toggle.aktiv .toggle-knob {
    left: 23px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.panel-toggle.deaktiviert {
    opacity: 0.3;
    cursor: not-allowed;
}

/* --- Zurück Button --- */
.zurueck-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--accent);
    font-family: 'Abel', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 12px 8px 12px 0;
    min-height: 44px;
    margin-bottom: 4px;
    -webkit-tap-highlight-color: transparent;
}

.zurueck-btn:active {
    opacity: 0.6;
}

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.stat-card:active {
    transform: scale(0.97);
    background: var(--bg-glass-hover);
}

.stat-icon {
    width: 24px;
    height: 24px;
    margin: 0 auto 8px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 1.6rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-value .einheit {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

/* --- Info Card --- */
.info-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.info-card .icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.info-card .text {
    flex: 1;
}

.info-card .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.info-card .value {
    font-size: 1rem;
    color: var(--text-primary);
    margin-top: 2px;
}

/* --- Bottom Navigation --- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    padding-bottom: calc(8px + var(--safe-bottom));
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: 'Abel', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    position: relative;
}

.nav-item svg {
    width: 22px;
    height: 22px;
    transition: all var(--transition-fast);
}

.nav-item.aktiv {
    color: var(--accent);
}

.nav-item.aktiv svg {
    filter: drop-shadow(0 0 6px var(--accent-glow));
}

.nav-item.aktiv::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 0 0 2px 2px;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out both;
}

.fade-in-up:nth-child(1) { animation-delay: 0s; }
.fade-in-up:nth-child(2) { animation-delay: 0.08s; }
.fade-in-up:nth-child(3) { animation-delay: 0.16s; }
.fade-in-up:nth-child(4) { animation-delay: 0.24s; }
.fade-in-up:nth-child(5) { animation-delay: 0.32s; }

/* --- Seiten (Platzhalter) --- */
.seite {
    display: none;
    flex: 1;
    padding: 20px;
}

.seite.aktiv {
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 0.3s ease-out;
}

.seite-titel {
    font-size: 1.3rem;
    padding: 8px 0;
}

.platzhalter {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 12px;
}

.platzhalter svg {
    width: 48px;
    height: 48px;
    opacity: 0.3;
}

.platzhalter p {
    font-size: 0.9rem;
}

/* --- Toast / Notifications --- */
.toast {
    position: fixed;
    top: calc(20px + var(--safe-top));
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    padding: 12px 24px;
    font-size: 0.85rem;
    color: var(--text-primary);
    z-index: 1000;
    transition: transform var(--transition-bounce);
    box-shadow: var(--shadow-deep);
}

.toast.sichtbar {
    transform: translateX(-50%) translateY(0);
}

/* --- Install Banner --- */
.install-banner {
    position: fixed;
    bottom: calc(80px + var(--safe-bottom));
    left: 16px;
    right: 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--border-glass-light);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 200;
    box-shadow: var(--shadow-deep);
    transform: translateY(200px);
    opacity: 0;
    transition: all var(--transition-bounce);
}

.install-banner.sichtbar {
    transform: translateY(0);
    opacity: 1;
}

.install-banner-icon {
    width: 24px;
    height: 24px;
    color: var(--accent);
    flex-shrink: 0;
}

.install-banner-text {
    flex: 1;
    min-width: 0;
}

.install-banner-text strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-primary);
}

.install-banner-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.install-banner-text em {
    font-style: normal;
    color: var(--text-primary);
}

.install-banner-btn {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Abel', sans-serif;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 12px var(--accent-glow);
}

.install-banner-btn:active {
    transform: scale(0.95);
}

.install-banner-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 12px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* --- Accessibility --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* --- Responsive (Tablet+) --- */
@media (min-width: 600px) {
    .dashboard {
        max-width: 480px;
        margin: 0 auto;
    }

    .login-card {
        padding: 48px 40px;
    }

    .stats-grid {
        gap: 16px;
    }
}