:root {
    --nacht: #0b1a2f;
    --gold: #d4af37;
    --schwan: #f5f0e8;
    --pfau: #1a8a8a;
    --kraehe: #1a1a2e;
    --text: #e0e0e0;
    --dim: #aaa;
    --card-bg: rgba(11, 26, 47, 0.95);
    --border: rgba(26, 138, 138, 0.4);
    --radius: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--nacht);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
    position: relative;
    overflow-x: hidden;
    flex-direction: column;
}

body::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 138, 138, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

#global-header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    max-width: 460px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 30px 50px rgba(0,0,0,0.5), 0 0 60px rgba(26, 138, 138, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    margin-top: 2rem;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 5vw, 2.4rem);
    font-weight: 500;
    color: var(--schwan);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.subtitle {
    color: var(--dim);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.subtitle strong { color: var(--schwan); }

.form-group { text-align: left; margin-bottom: 1.5rem; }

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--schwan);
    margin-bottom: 0.5rem;
    letter-spacing: 0.3px;
}

input[type="email"] {
    width: 100%;
    padding: 14px 18px;
    border-radius: 40px;
    border: 2px solid rgba(26, 138, 138, 0.4);
    background: rgba(255,255,255,0.04);
    color: var(--schwan);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="email"]:focus {
    border-color: var(--schwan);
    box-shadow: 0 0 18px rgba(26, 138, 138, 0.3);
}

input[type="email"]::placeholder { color: #555; }

.btn {
    display: inline-block;
    width: 100%;
    padding: 14px 28px;
    border-radius: 40px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    border: none;
    background: linear-gradient(135deg, var(--pfau), var(--gold));
    color: var(--schwan);
}

.btn:hover {
    background: linear-gradient(135deg, var(--gold), var(--pfau));
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(26, 138, 138, 0.3);
}

.btn:active { transform: scale(0.97); }

.message {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--schwan);
    min-height: 1.5rem;
    transition: opacity 0.3s;
}

.message.error { color: #ff6b6b; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 2rem;
    color: var(--dim);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.back-link:hover { color: var(--pfau); }

.back-link svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

@media (max-width: 480px) {
    .container { padding: 2.5rem 1.5rem; }
}