/* ===== Theme Variables ===== */
:root {
    --bg: #ffffff;
    --bg-secondary: #f5f5f7;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --border: #d2d2d7;
    --accent: #0066cc;
    --accent-hover: #0052a3;
    --nav-bg: #ffffffcc;
    --nav-border: #d2d2d7;
    --input-bg: #ffffff;
    --success-bg: #d4edda;
    --success-text: #155724;
    --success-border: #c3e6cb;
    --danger-bg: #f8d7da;
    --danger-text: #721c24;
    --danger-border: #f5c6cb;
    --cookie-bg: #f5f5f7;
    --shadow: rgba(0, 0, 0, 0.08);
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #1d1d1f;
        --bg-secondary: #2c2c2e;
        --text: #f5f5f7;
        --text-secondary: #a1a1a6;
        --border: #424245;
        --nav-bg: #1d1d1fcc;
        --nav-border: #424245;
        --input-bg: #2c2c2e;
        --success-bg: #1a3a2a;
        --success-text: #a3d9b1;
        --success-border: #2d6a4f;
        --danger-bg: #3a1a1a;
        --danger-text: #f5a3a3;
        --danger-border: #6a2d2d;
        --cookie-bg: #2c2c2e;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

:root[data-theme="dark"] {
    --bg: #1d1d1f;
    --bg-secondary: #2c2c2e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border: #424245;
    --nav-bg: #1d1d1fcc;
    --nav-border: #424245;
    --input-bg: #2c2c2e;
    --success-bg: #1a3a2a;
    --success-text: #a3d9b1;
    --success-border: #2d6a4f;
    --danger-bg: #3a1a1a;
    --danger-text: #f5a3a3;
    --danger-border: #6a2d2d;
    --cookie-bg: #2c2c2e;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* ===== Base Reset & Typography ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    transition: background-color 0.2s, color 0.2s;
}

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

a:hover {
    text-decoration: underline;
}

h1:focus {
    outline: none;
}

/* ===== Validation ===== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ===== Blazor Error Boundary ===== */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* ===== Navbar ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 3.5rem;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
}

.navbar-brand:hover {
    text-decoration: none;
    color: var(--text);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.15s;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--accent);
    text-decoration: none;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--text);
    transition: background-color 0.15s;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
}

/* ===== Page Content ===== */
.page-content {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ===== Cookie Banner ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--cookie-bg);
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: 0 -2px 8px var(--shadow);
    flex-wrap: wrap;
}

.cookie-banner p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex: 1;
    min-width: 200px;
}

.cookie-banner-btn {
    padding: 0.45rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    background-color: var(--accent);
    color: #fff;
    white-space: nowrap;
    transition: background-color 0.15s;
}

.cookie-banner-btn:hover {
    background-color: var(--accent-hover);
}

/* ===== Form Controls (global, da Blazor-Komponenten kein scoped CSS Attribut bekommen) ===== */
.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

textarea.form-control {
    resize: none;
}

/* ===== Footer ===== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== 404 Black Hole ===== */
.blackhole-scene {
    position: relative;
    width: min(400px, 85vw);
    height: min(400px, 85vw);
    margin: 1.5rem auto;
    overflow: visible;
}

.blackhole {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.blackhole-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    border: 2px solid;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 55%;
    height: 55%;
    border-color: rgba(138, 43, 226, 0.4);
    border-width: 3px;
    animation: spin-ring 8s linear infinite, pulse-ring-1 2.5s ease-in-out infinite;
    box-shadow:
        0 0 25px rgba(138, 43, 226, 0.3),
        inset 0 0 20px rgba(138, 43, 226, 0.2);
}

.ring-2 {
    width: 38%;
    height: 38%;
    border-color: rgba(75, 0, 130, 0.5);
    border-width: 3px;
    animation: spin-ring 5s linear infinite reverse, pulse-ring-2 1.8s ease-in-out infinite;
    box-shadow:
        0 0 30px rgba(75, 0, 130, 0.35),
        inset 0 0 25px rgba(75, 0, 130, 0.25);
}

.ring-3 {
    width: 24%;
    height: 24%;
    border-color: rgba(148, 103, 189, 0.6);
    border-width: 2px;
    animation: spin-ring 3s linear infinite, pulse-ring-3 1.2s ease-in-out infinite;
    box-shadow:
        0 0 35px rgba(148, 103, 189, 0.4),
        inset 0 0 30px rgba(148, 103, 189, 0.3);
}

.blackhole-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12%;
    height: 12%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, #000 30%, rgba(75, 0, 130, 0.8) 60%, transparent 100%);
    animation: pulse-core 1.5s ease-in-out infinite;
    box-shadow:
        0 0 40px 15px rgba(75, 0, 130, 0.5),
        0 0 80px 30px rgba(138, 43, 226, 0.25),
        0 0 120px 50px rgba(138, 43, 226, 0.1);
}

@keyframes spin-ring {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse-ring-1 {
    0%, 100% { box-shadow: 0 0 25px rgba(138, 43, 226, 0.3), inset 0 0 20px rgba(138, 43, 226, 0.2); }
    50% { box-shadow: 0 0 45px rgba(138, 43, 226, 0.6), inset 0 0 35px rgba(138, 43, 226, 0.4); }
}

@keyframes pulse-ring-2 {
    0%, 100% { box-shadow: 0 0 30px rgba(75, 0, 130, 0.35), inset 0 0 25px rgba(75, 0, 130, 0.25); }
    50% { box-shadow: 0 0 55px rgba(75, 0, 130, 0.7), inset 0 0 40px rgba(75, 0, 130, 0.5); }
}

@keyframes pulse-ring-3 {
    0%, 100% { box-shadow: 0 0 35px rgba(148, 103, 189, 0.4), inset 0 0 30px rgba(148, 103, 189, 0.3); }
    50% { box-shadow: 0 0 60px rgba(148, 103, 189, 0.8), inset 0 0 45px rgba(148, 103, 189, 0.6); }
}

@keyframes pulse-core {
    0%, 100% {
        box-shadow:
            0 0 40px 15px rgba(75, 0, 130, 0.5),
            0 0 80px 30px rgba(138, 43, 226, 0.25),
            0 0 120px 50px rgba(138, 43, 226, 0.1);
    }
    50% {
        box-shadow:
            0 0 60px 25px rgba(75, 0, 130, 0.7),
            0 0 110px 45px rgba(138, 43, 226, 0.4),
            0 0 160px 70px rgba(138, 43, 226, 0.2);
    }
}

.sucked-emoji {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 2.2rem;
    pointer-events: none;
    animation: suck-in var(--duration, 3s) ease-in forwards;
    z-index: 10;
}

@keyframes suck-in {
    0% {
        transform: translate(var(--start-x), var(--start-y)) scale(1) rotate(0deg);
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    75% {
        transform: translate(calc(var(--start-x) * 0.08), calc(var(--start-y) * 0.08)) scale(0.75) rotate(180deg);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(0) rotate(720deg);
        opacity: 0;
    }
}