/* ====================================================
   Design Tokens
   ==================================================== */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #60a5fa;
    --color-accent: #0ea5e9;

    --color-success: #10b981;
    --color-success-bg: #d1fae5;
    --color-success-text: #047857;

    --color-danger: #ef4444;
    --color-danger-bg: #fee2e2;
    --color-danger-text: #b91c1c;

    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-bg: #ffffff;
    --color-bg-soft: #f9fafb;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.06);
    --shadow-md: 0 10px 30px rgba(17, 24, 39, 0.08);
    --shadow-lg: 0 20px 50px rgba(37, 99, 235, 0.18);

    --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-visual: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #0ea5e9 100%);

    --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
    --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

    --transition: 0.25s ease;

    --navbar-height: 68px;
}

/* Dark Mode: folgt automatisch den Browser-/System-Einstellungen */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #e4e4e7;
        --color-text-muted: #a1a1aa;
        --color-border: #3f3f46;
        --color-bg: #27272a;
        --color-bg-soft: #18181b;

        --color-success-bg: rgba(16, 185, 129, 0.15);
        --color-success-text: #6ee7b7;

        --color-danger-bg: rgba(239, 68, 68, 0.15);
        --color-danger-text: #fca5a5;

        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
        --shadow-lg: 0 20px 50px rgba(37, 99, 235, 0.3);
    }

    .input-group select,
    .rang-select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    }
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ====================================================
   Auth Layout (Login / Register)
   ==================================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
}

/* ── Left: Cinematic Depth Panel ── */
.auth-visual {
    flex: 1.1;
    position: relative;
    overflow: hidden;
    /* Light mode default: vivid indigo→violet→sky gradient */
    background: linear-gradient(140deg, #312e81 0%, #4c1d95 35%, #1e40af 70%, #0369a1 100%);
    transition: background 0.5s ease;
}

/* Depth layer base */
.av-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Depth 0 — Aurora gradient mesh */
.av-depth-0 { z-index: 0; }

.av-mesh {
    position: absolute;
    inset: -25%;
    width: 150%;
    height: 150%;
    /* Light mode: white shimmer highlights on the colored gradient */
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(255,255,255,0.28) 0%, transparent 58%),
        radial-gradient(ellipse 60% 80% at 80% 80%, rgba(255,255,255,0.18) 0%, transparent 58%),
        radial-gradient(ellipse 50% 50% at 65% 10%, rgba(196,181,253,0.45) 0%, transparent 50%),
        radial-gradient(ellipse 70% 70% at 10% 85%, rgba(147,197,253,0.3) 0%, transparent 55%);
    animation: avAurora 22s ease-in-out infinite alternate;
    will-change: transform;
}

@keyframes avAurora {
    0%   { transform: translate(0, 0) scale(1) rotate(0deg); }
    25%  { transform: translate(4%, -6%) scale(1.04) rotate(0.5deg); }
    50%  { transform: translate(-3%, 7%) scale(0.97) rotate(-0.4deg); }
    75%  { transform: translate(7%, 3%) scale(1.03) rotate(0.3deg); }
    100% { transform: translate(-4%, -4%) scale(1.06) rotate(-0.3deg); }
}

/* Depth 1 — Glow orbs */
.av-depth-1 { z-index: 1; }

.av-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(72px);
    opacity: 0.55;
    transition: transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
    will-change: transform;
}
.av-orb--1 {
    width: 440px; height: 440px;
    background: radial-gradient(circle, rgba(59,130,246,0.9), transparent 70%);
    top: -130px; left: -110px;
    animation: avOrb1 22s ease-in-out infinite;
}
.av-orb--2 {
    width: 330px; height: 330px;
    background: radial-gradient(circle, rgba(14,165,233,0.85), transparent 70%);
    bottom: -110px; right: -90px;
    animation: avOrb2 17s ease-in-out infinite;
}
.av-orb--3 {
    width: 270px; height: 270px;
    background: radial-gradient(circle, rgba(129,140,248,0.8), transparent 70%);
    top: 42%; left: 52%;
    animation: avOrb3 26s ease-in-out infinite;
}
.av-orb--4 {
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(56,189,248,0.7), transparent 70%);
    top: 12%; right: 6%;
    opacity: 0.38;
    animation: avOrb1 15s ease-in-out infinite reverse;
}

@keyframes avOrb1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(70px, -95px) scale(1.12); }
    66%       { transform: translate(-50px, 72px) scale(0.9); }
}
@keyframes avOrb2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    40%       { transform: translate(-90px, -72px) scale(1.18); }
    70%       { transform: translate(62px, 92px) scale(0.9); }
}
@keyframes avOrb3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50%       { transform: translate(calc(-50% + 120px), calc(-50% - 90px)) scale(1.25); }
}

/* Depth 2 — Geometric rings */
.av-depth-2 { z-index: 2; }

.av-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.07);
    top: 50%; left: 50%;
    will-change: transform;
}
.av-ring--1 {
    width: 540px; height: 540px;
    margin: -270px 0 0 -270px;
    animation: avRingRotate 48s linear infinite;
}
.av-ring--2 {
    width: 370px; height: 370px;
    margin: -185px 0 0 -185px;
    border-color: rgba(56, 189, 248, 0.1);
    animation: avRingRotate 31s linear infinite reverse;
}
.av-ring--3 {
    width: 220px; height: 220px;
    margin: -110px 0 0 -110px;
    border-color: rgba(129, 140, 248, 0.13);
    animation: avRingRotate 20s linear infinite;
}

.av-ring::before, .av-ring::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
}
.av-ring--1::before { width: 5px; height: 5px; top: -2.5px; left: 50%; transform: translateX(-50%); }
.av-ring--1::after  { width: 5px; height: 5px; bottom: -2.5px; right: 30%; }
.av-ring--2::before { width: 4px; height: 4px; top: -2px; right: 28%; background: rgba(56,189,248,0.75); }
.av-ring--2::after  { width: 4px; height: 4px; bottom: -2px; left: 22%; background: rgba(56,189,248,0.75); }
.av-ring--3::before { width: 5px; height: 5px; top: 50%; right: -2.5px; transform: translateY(-50%); background: rgba(129,140,248,0.85); }
.av-ring--3::after  { width: 5px; height: 5px; top: 50%; left: -2.5px; transform: translateY(-50%); background: rgba(129,140,248,0.85); }

@keyframes avRingRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Depth 3 — Grid texture */
.av-depth-3 { z-index: 3; }

.av-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, transparent 20%, black 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, transparent 20%, black 80%);
}

/* Depth 4 — Brand content */
.av-depth-4 {
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.av-content {
    max-width: 360px;
    text-align: center;
    color: #fff;
    animation: avContentIn 1s 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes avContentIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

.av-logo-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 28px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.13);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: avLogoPulse 4s ease-in-out infinite;
}

.av-logo-wrap svg {
    width: 36px;
    height: 36px;
    color: #fff;
    filter: drop-shadow(0 0 14px rgba(56, 189, 248, 0.75));
}

@keyframes avLogoPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.3); }
    50%       { box-shadow: 0 0 0 14px rgba(56, 189, 248, 0); }
}

.av-title {
    font-family: var(--font-heading);
    font-size: 44px;
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    background: linear-gradient(160deg, #ffffff 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.av-subtitle {
    font-size: 15px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 36px;
}

.av-badges {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.av-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    transition: border-color 0.3s, background 0.3s;
}

.av-badge svg {
    width: 13px;
    height: 13px;
    color: #38bdf8;
    flex-shrink: 0;
}

/* Depth 5 — Particle canvas */
.av-canvas {
    position: absolute;
    inset: 0;
    z-index: 5;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.5;
}

/* ── Right: Form panel ── */
.auth-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: var(--color-bg);
    position: relative;
}

.auth-form-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(37, 99, 235, 0.04) 0%, transparent 55%),
        radial-gradient(circle at 85% 15%, rgba(14, 165, 233, 0.04) 0%, transparent 55%);
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    position: relative;
    z-index: 1;
}

.auth-card-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-card-header .logo-sm {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    border-radius: var(--radius-md);
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), 0 0 0 6px rgba(37, 99, 235, 0.1);
}

.auth-card-header .logo-sm svg {
    width: 26px;
    height: 26px;
    color: #fff;
}

.auth-card-header h1 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.auth-card-header .subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
}

.auth-switch {
    text-align: center;
    margin-top: 22px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.auth-switch a { font-weight: 600; }

@media (max-width: 900px) {
    .auth-visual { display: none; }
}

/* ── Dark mode: restore deep-space panel ── */
@media (prefers-color-scheme: dark) {
    .auth-visual { background: #060d1e; }
    .av-mesh {
        background:
            radial-gradient(ellipse 80% 60% at 20% 20%, rgba(37,99,235,0.75) 0%, transparent 58%),
            radial-gradient(ellipse 60% 80% at 80% 80%, rgba(14,165,233,0.65) 0%, transparent 58%),
            radial-gradient(ellipse 50% 50% at 65% 10%, rgba(99,102,241,0.55) 0%, transparent 50%),
            radial-gradient(ellipse 70% 70% at 10% 85%, rgba(6,182,212,0.45) 0%, transparent 55%);
    }
}
/* Manual overrides via [data-theme] on <html> */
[data-theme="dark"] .auth-visual { background: #060d1e; }
[data-theme="dark"] .av-mesh {
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(37,99,235,0.75) 0%, transparent 58%),
        radial-gradient(ellipse 60% 80% at 80% 80%, rgba(14,165,233,0.65) 0%, transparent 58%),
        radial-gradient(ellipse 50% 50% at 65% 10%, rgba(99,102,241,0.55) 0%, transparent 50%),
        radial-gradient(ellipse 70% 70% at 10% 85%, rgba(6,182,212,0.45) 0%, transparent 55%);
}
[data-theme="light"] .auth-visual {
    background: linear-gradient(140deg, #312e81 0%, #4c1d95 35%, #1e40af 70%, #0369a1 100%);
}
[data-theme="light"] .av-mesh {
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(255,255,255,0.28) 0%, transparent 58%),
        radial-gradient(ellipse 60% 80% at 80% 80%, rgba(255,255,255,0.18) 0%, transparent 58%),
        radial-gradient(ellipse 50% 50% at 65% 10%, rgba(196,181,253,0.45) 0%, transparent 50%),
        radial-gradient(ellipse 70% 70% at 10% 85%, rgba(147,197,253,0.3) 0%, transparent 55%);
}

/* ── Dark mode: form panel + glassmorphism card ── */
@media (prefers-color-scheme: dark) {
    .auth-form-panel { background: #09090f; }
    .auth-form-panel::before {
        background:
            radial-gradient(circle at 15% 85%, rgba(99,102,241,0.06) 0%, transparent 55%),
            radial-gradient(circle at 85% 15%, rgba(56,189,248,0.06) 0%, transparent 55%);
    }
    .auth-card {
        background: rgba(255,255,255,0.035);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: 28px;
        padding: 40px 38px 36px;
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        box-shadow:
            inset 0 1px 0 rgba(255,255,255,0.07),
            0 24px 64px rgba(0,0,0,0.6),
            0 0 0 1px rgba(255,255,255,0.04);
    }
}
[data-theme="dark"] .auth-form-panel { background: #09090f; }
[data-theme="dark"] .auth-form-panel::before {
    background:
        radial-gradient(circle at 15% 85%, rgba(99,102,241,0.06) 0%, transparent 55%),
        radial-gradient(circle at 85% 15%, rgba(56,189,248,0.06) 0%, transparent 55%);
}
[data-theme="dark"] .auth-card {
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 28px;
    padding: 40px 38px 36px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.07),
        0 24px 64px rgba(0,0,0,0.6),
        0 0 0 1px rgba(255,255,255,0.04);
}
[data-theme="light"] .auth-form-panel { background: var(--color-bg); }
[data-theme="light"] .auth-card { background: none; border: none; padding: 0; box-shadow: none; }

/* ── Theme toggle button ── */
.theme-toggle-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 20;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    background: var(--color-bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s, transform 0.15s;
}
.theme-toggle-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
    transform: rotate(12deg);
}
.theme-toggle-btn svg { width: 18px; height: 18px; transition: opacity 0.2s, transform 0.3s; }
.theme-toggle-btn .icon-sun  { display: none; }
.theme-toggle-btn .icon-moon { display: block; }
/* Light mode: show sun icon (to indicate "switch to dark") */
@media (prefers-color-scheme: light) {
    .theme-toggle-btn .icon-sun  { display: block; }
    .theme-toggle-btn .icon-moon { display: none; }
}
[data-theme="light"] .theme-toggle-btn .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle-btn .icon-moon { display: none; }
[data-theme="dark"]  .theme-toggle-btn .icon-sun  { display: none; }
[data-theme="dark"]  .theme-toggle-btn .icon-moon { display: block; }

/* Mandatory reduced-motion compliance */
@media (prefers-reduced-motion: reduce) {
    .av-mesh, .av-orb, .av-ring,
    .av-logo-wrap, .av-content { animation: none !important; }
    .av-orb  { will-change: auto; }
    .av-ring { will-change: auto; }
}

/* ====================================================
   Form Elements
   ==================================================== */
.input-group {
    position: relative;
    margin-bottom: 22px;
}

.input-group input {
    width: 100%;
    padding: 15px 16px 15px 46px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    background: var(--color-bg-soft);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.input-group input::placeholder {
    color: transparent;
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    background: var(--color-bg);
}

.input-group .input-icon {
    position: absolute;
    left: 14px;
    top: 15px;
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: color var(--transition);
}

.input-group input:focus ~ .input-icon {
    color: var(--color-primary);
}

.input-group label {
    position: absolute;
    left: 46px;
    top: 15px;
    font-size: 15px;
    color: var(--color-text-muted);
    background: transparent;
    padding: 0 4px;
    pointer-events: none;
    transition: all var(--transition);
}

.input-group input:focus + .input-icon + label,
.input-group input:not(:placeholder-shown) + .input-icon + label {
    top: -9px;
    left: 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg);
    border-radius: 4px;
}

.input-group select {
    width: 100%;
    padding: 15px 40px 15px 46px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg-soft);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.input-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    background-color: var(--color-bg);
}

.input-group select:focus ~ .input-icon {
    color: var(--color-primary);
}

.input-group.select-group label {
    top: -9px;
    left: 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-bg);
    border-radius: 4px;
    padding: 0 4px;
}

.input-group.has-toggle input {
    padding-right: 46px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 11px;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.toggle-password:hover {
    color: var(--color-primary);
    background: var(--color-bg-soft);
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.toggle-password .icon-eye-off {
    display: none;
}

.toggle-password.is-visible .icon-eye {
    display: none;
}

.toggle-password.is-visible .icon-eye-off {
    display: block;
}

/* ====================================================
   Datei-Upload (Profilbild)
   ==================================================== */
.file-input-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

.file-input-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    padding: 12px 18px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-soft);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
}

.file-input-label:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.file-input-label svg {
    width: 18px;
    height: 18px;
}

.file-name {
    font-size: 13px;
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ====================================================
   Buttons
   ==================================================== */
.btn-primary {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 50%, var(--color-accent) 100%);
    background-size: 200% 200%;
    background-position: 0% 50%;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), background-position 0.5s ease;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.18) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 0.55s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99,102,241,0.45);
    background-position: 100% 50%;
}
.btn-primary:hover::after {
    transform: translateX(100%);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary.is-loading {
    cursor: not-allowed;
    opacity: 0.85;
    transform: none;
}

.btn-primary .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-primary.is-loading .btn-text {
    display: none;
}

.btn-primary.is-loading .spinner {
    display: inline-block;
}

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

/* ── Dark mode input enhancements ── */
@media (prefers-color-scheme: dark) {
    .auth-form-panel .input-group input,
    .auth-form-panel .input-group select {
        background: rgba(255,255,255,0.05);
        border-color: rgba(255,255,255,0.1);
        color: var(--color-text);
    }
    .auth-form-panel .input-group input:focus,
    .auth-form-panel .input-group select:focus {
        background: rgba(255,255,255,0.08);
        border-color: #6366f1;
        box-shadow: 0 0 0 3px rgba(99,102,241,0.2), inset 0 0 0 1px rgba(99,102,241,0.25);
    }
    /* Floating label background matches glass card */
    .auth-form-panel .input-group input:focus + .input-icon + label,
    .auth-form-panel .input-group input:not(:placeholder-shown) + .input-icon + label {
        background: transparent;
        text-shadow: 0 0 8px rgba(99,102,241,0.5);
    }
    .auth-card-header h1 {
        background: linear-gradient(135deg, #fff 0%, rgba(196,181,253,0.9) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
}
[data-theme="dark"] .auth-form-panel .input-group input,
[data-theme="dark"] .auth-form-panel .input-group select {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .auth-form-panel .input-group input:focus,
[data-theme="dark"] .auth-form-panel .input-group select:focus {
    background: rgba(255,255,255,0.08);
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.2), inset 0 0 0 1px rgba(99,102,241,0.25);
}
[data-theme="dark"] .auth-form-panel .input-group input:focus + .input-icon + label,
[data-theme="dark"] .auth-form-panel .input-group input:not(:placeholder-shown) + .input-icon + label {
    background: transparent;
}
[data-theme="dark"] .auth-card-header h1 {
    background: linear-gradient(135deg, #fff 0%, rgba(196,181,253,0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-secondary {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition), color var(--transition);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-secondary svg {
    width: 18px;
    height: 18px;
}

.btn-danger-outline {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-danger);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
}

.btn-danger-outline:hover {
    background: var(--color-danger-bg);
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-danger-outline svg {
    width: 18px;
    height: 18px;
}

/* ====================================================
   Alerts
   ==================================================== */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
}

.alert svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger-text);
    animation: shake 0.4s ease;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

@keyframes shake {
    10%, 90% { transform: translateX(-3px); }
    20%, 80% { transform: translateX(6px); }
    30%, 50%, 70% { transform: translateX(-9px); }
    40%, 60% { transform: translateX(9px); }
}

/* ====================================================
   Generic animations
   ==================================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ====================================================
   Navbar
   ==================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--navbar-height);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.navbar-container {
    width: 100%;
    height: 100%;
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    flex: 1;
}

.navbar-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color var(--transition), background var(--transition);
}

.navbar-link:hover {
    color: var(--color-primary);
    background: var(--color-bg-soft);
    text-decoration: none;
}

.navbar-profile {
    position: relative;
    margin-left: auto;
    flex-shrink: 0;
}

.navbar-profile-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 6px 6px;
    border: 1.5px solid transparent;
    border-radius: var(--radius-pill);
    background: none;
    cursor: pointer;
    font-family: var(--font-body);
    transition: border-color var(--transition), background var(--transition);
}

.navbar-profile-btn:hover,
.navbar-profile-btn[aria-expanded="true"] {
    border-color: var(--color-border);
    background: var(--color-bg-soft);
}

.navbar-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.navbar-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.navbar-profile-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.3;
}

.navbar-profile-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.navbar-profile-rang {
    font-size: 12px;
    color: var(--color-text-muted);
}

.navbar-chevron {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.navbar-profile-btn[aria-expanded="true"] .navbar-chevron {
    transform: rotate(180deg);
}

.navbar-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 2px;
    animation: fadeIn 0.15s ease;
}

.navbar-dropdown.is-open {
    display: flex;
}

.navbar-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.navbar-dropdown-item:hover {
    background: var(--color-bg-soft);
    color: var(--color-primary);
    text-decoration: none;
}

.navbar-dropdown-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.navbar-dropdown-item--danger:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.navbar-dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: 4px 2px;
}

@media (max-width: 720px) {
    .navbar-menu,
    .navbar-profile-text {
        display: none;
    }

    .navbar-container {
        gap: 12px;
    }

    .navbar-profile {
        margin-left: auto;
    }
}

/* ====================================================
   Dashboard
   ==================================================== */
.dashboard-page {
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
    background: var(--color-bg-soft);
}

.dashboard-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 44px 36px;
    text-align: center;
    animation: fadeInUp 0.6s ease both;
}

.avatar {
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-lg {
    width: 96px;
    height: 96px;
    font-size: 36px;
}

.avatar-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: 10px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    overflow: hidden;
    vertical-align: middle;
}

.avatar-sm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dashboard-card h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 6px;
}

.dashboard-card .welcome-text {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 18px;
}

.badge-rang {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    background: var(--gradient-brand);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 28px;
}

.badge-rang svg {
    width: 16px;
    height: 16px;
}

.dashboard-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ====================================================
   Admin: Benutzerverwaltung
   ==================================================== */
.admin-page {
    min-height: 100vh;
    background: var(--color-bg-soft);
    padding: 40px 20px;
}

.admin-container {
    max-width: 1600px;
    margin: 0 auto;
    animation: fadeIn 0.5s ease both;
}

.admin-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-top-bar h1 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
}

.admin-top-bar .back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
}

.admin-top-bar .back-link svg {
    width: 16px;
    height: 16px;
}

.admin-section-title {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 600;
    margin: 32px 0 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-section-title svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.empty-state {
    color: var(--color-text-muted);
    font-size: 14px;
    padding: 16px 0;
}

.admin-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-form-card {
    padding: 24px 24px 2px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 16px;
}

.form-grid-full {
    grid-column: 1 / -1;
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
}

th {
    background: var(--color-bg-soft);
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

tbody tr {
    transition: background var(--transition);
}

tbody tr:hover {
    background: var(--color-bg-soft);
}

tbody tr:last-child td {
    border-bottom: none;
}

.rang-select {
    width: 130px;
    padding: 8px 28px 8px 10px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 16px;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.rang-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.row-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font-body);
    color: #fff;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.btn-pill:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-pill svg {
    width: 14px;
    height: 14px;
}

.btn-pill.activate  { background: var(--color-primary); }
.btn-pill.save      { background: var(--color-success); }
.btn-pill.delete    { background: var(--color-danger); }

.badge-admin {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    margin-left: 6px;
    vertical-align: middle;
}

.badge-deaktiviert {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-danger);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    margin-left: 6px;
    vertical-align: middle;
}

.text-muted {
    color: var(--color-text-muted);
    font-size: 13px;
}