/* --- 1. Edle & Subtile Farbpalette --- */
:root {
    /* NEU: Sanfte Pastell-Töne für den Hintergrund */
    --bg-hue-1: 210;
    /* Soft Blue */
    --bg-hue-2: 280;
    /* Lavender */
    --bg-hue-3: 330;
    /* Rose Mist */

    --bg-color-1: hsl(var(--bg-hue-1), 60%, 92%);
    --bg-color-2: hsl(var(--bg-hue-2), 50%, 90%);
    --bg-color-3: hsl(var(--bg-hue-3), 60%, 94%);

    /* Akzentfarben für Buttons/Fokus (etwas kräftiger, aber edel) */
    --accent-primary: #3b82f6;
    /* Modern Blue */
    --accent-secondary: #8b5cf6;
    /* Modern Purple */
    --accent-tertiary: #ec4899;
    /* Modern Pink */

    /* Glassmorphism Konstanten (angepasst an helleren Hintergrund) */
    --glass-bg: rgba(255, 255, 255, 0.75);
    /* Mehr Transparenz */
    --glass-border: rgba(255, 255, 255, 0.9);
    /* Weicherer, diffuser Schatten für das Schweben */
    --glass-shadow:
        0 20px 40px -10px rgba(var(--bg-hue-1), 30%, 40%, 0.15),
        0 10px 20px -5px rgba(0, 0, 0, 0.04);

    --text-main: #334155;
    /* Slate 700 - weicher als Schwarz */
    --text-muted: #94a3b8;

    --radius-lg: 24px;
    --radius-md: 12px;
}

/* --- 2. Der neue, subtile Hintergrund --- */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    margin: 0;
    padding: 60px 20px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
    min-height: 100vh;

    /* NEU: Sehr weicher, großflächiger Pastell-Verlauf */
    background: radial-gradient(at 10% 10%, var(--bg-color-1) 0px, transparent 50%),
        radial-gradient(at 90% 0%, var(--bg-color-2) 0px, transparent 50%),
        radial-gradient(at 50% 90%, var(--bg-color-3) 0px, transparent 50%),
        linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    /* Helle Basis */
    background-attachment: fixed;
    background-size: 150% 150%;
    /* Sehr langsame Bewegung für einen "Atmungs-Effekt" */
    animation: subtleBackgroundShift 30s ease-in-out infinite alternate;
}

@keyframes subtleBackgroundShift {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 50%;
    }
}

/* --- 3. Das verfeinerte Glass-Formular --- */
.container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(25px) saturate(110%);
    /* Stärkerer Blur für Milchglas */
    -webkit-backdrop-filter: blur(25px) saturate(110%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 50px;
    border-top: 4px solid var(--accent-primary);
    /* Subtiler farbiger Abschluss oben */
}

/* --- 4. Die animierte Überschrift (Empfehlung) --- */
h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-top: 0;
    margin-bottom: 45px;
    text-align: center;
    letter-spacing: -0.02em;

    /* 4a. Der "Gradient Flow" Effekt im Text */
    background: linear-gradient(to right,
            var(--accent-primary),
            var(--accent-secondary),
            var(--accent-tertiary),
            var(--accent-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textShimmer 8s linear infinite;
    /* Langsamer Fluss */

    /* 4b. Die "Entrance" Animation (Hereinschweben) */
    opacity: 0;
    /* Startzustand unsichtbar */
    transform: translateY(30px);
    /* Startzustand weiter unten */
    /* Führt die Animation 'fadeInUp' einmalig beim Laden aus */
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards, textShimmer 8s linear infinite;
}

/* Keyframes für das Hereinschweben */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Keyframes für den Farbfluss im Text */
@keyframes textShimmer {
    to {
        background-position: 200% center;
    }
}

/* --- 5. Formular-Gruppen & Inputs (Subtiler als zuvor) --- */
fieldset {
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 35px;
    margin-bottom: 35px;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
}

fieldset:focus-within {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-primary);
}

legend {
    font-weight: 700;
    padding: 8px 20px;
    color: var(--accent-primary);
    background: white;
    border-radius: 30px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-weight: 600;
    margin-top: 15px;
    gap: 12px;
    cursor: pointer;
    color: var(--text-main);
}

/* Inputs: Sauberer Look, weniger "Bounce" */
input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--text-main);
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background-color: #fff;
    /* Edler, weicher Fokus-Ring */
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

/* --- 6. Buttons (Modern & Griffig) --- */
button,
.btn-primary,
.btn-secondary,
.btn-danger {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    /* Moderner als komplett rund */
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
    letter-spacing: 0.03em;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    width: 100%;
    box-shadow: 0 8px 15px -5px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -5px rgba(59, 130, 246, 0.5);
}

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

.btn-secondary {
    background: white;
    color: var(--text-main);
    width: 100%;
    border: 2px solid rgba(0, 0, 0, 0.08);
}

.btn-secondary:hover {
    background: #f8fafc;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
    width: auto;
}

.btn-danger {
    background: #ef4444;
    color: white;
    box-shadow: 0 8px 15px -5px rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    background: #dc2626;
    box-shadow: 0 15px 25px -5px rgba(239, 68, 68, 0.5);
}

/* --- 7. Layout & Reihen-Animationen --- */
.row-flex {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.row-flex>div {
    flex: 1;
    min-width: 220px;
}

/* Subtilere Animation für neue Zeilen */
.material-row {
    position: relative;
    padding-bottom: 20px;
    animation: slideFadeIn 0.5s ease forwards;
}

@keyframes slideFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.row-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.1), transparent);
    margin: 35px 0;
}

/* --- 8. Admin Styles --- */
.toolbar {
    background: rgba(255, 255, 255, 0.7);
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.search-form {
    display: flex;
    gap: 15px;
    align-items: center;
    margin: 0;
    flex-wrap: wrap;
}

.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin-top: 20px;
}

.admin-table tbody tr {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
}

.admin-table tbody tr:hover {
    transform: scale(1.005);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.05);
    background: white;
}

.admin-table th,
.admin-table td {
    padding: 18px;
    text-align: left;
    border: none;
    vertical-align: middle;
}

.admin-table th {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 10px;
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.alert-success {
    background: linear-gradient(to right, #d1fae5, #ecfdf5);
    color: #065f46;
    padding: 20px;
    border-radius: 16px;
    border-left: 6px solid #10b981;
    margin-bottom: 35px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    animation: slideFadeIn 0.5s ease;
}

.admin-edit-mode input:focus,
.admin-edit-mode textarea:focus,
.admin-edit-mode select:focus {
    border-color: #f59e0b;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}