/* ===================================
   DeUnDATA - Pseudo KI Webseite
   Mobile-First Design
   Ice-Blue Farbschema
   =================================== */

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

:root {
    /* DeUnDATA Farben */
    --ice-blue: #00d4ff;
    --ice-blue-light: #66e3ff;
    --ice-blue-dark: #0099cc;
    --bg-dark: #0a0e1a;
    --bg-light: #1a1f35;
    --text-primary: #ffffff;
    --text-secondary: #a0b0d0;
    --accent-glow: rgba(0, 212, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.4rem;
    --spacing-sm: 0.7rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.3rem;
    --spacing-xl: 1.8rem;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-light) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Schaltkreis-Hintergrund-Muster */
.circuit-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(0, 212, 255, 0.03) 50px,
            rgba(0, 212, 255, 0.03) 51px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 50px,
            rgba(0, 212, 255, 0.03) 50px,
            rgba(0, 212, 255, 0.03) 51px
        );
    pointer-events: none;
    z-index: 0;
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height für mobile */
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm);
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-bottom: 2px solid rgba(0, 212, 255, 0.2);
    margin-bottom: var(--spacing-lg);
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--ice-blue) 0%, var(--ice-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 20px var(--accent-glow);
}

.tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 3px;
    font-weight: 300;
}

.badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--ice-blue);
    border-radius: 20px;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    color: var(--ice-blue);
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md) 0;
}

/* Willkommensnachricht */
.welcome-message {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(26, 31, 53, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.ai-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.welcome-message h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--ice-blue-light);
}

.welcome-message p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.05rem;
}

/* Antwort-Box */
.answer-box {
    background: linear-gradient(135deg, rgba(26, 31, 53, 0.8) 0%, rgba(10, 14, 26, 0.9) 100%);
    border: 2px solid var(--ice-blue);
    border-radius: 15px;
    padding: var(--spacing-md);
    box-shadow: 0 0 30px var(--accent-glow);
    animation: slideIn 0.4s ease-out;
    margin: 0 var(--spacing-xs); /* Extra margin für mobile */
}

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

.answer-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-md);
    padding-right: var(--spacing-xs); /* Extra Abstand vom Rand */
}

.ai-label {
    background: var(--ice-blue);
    color: var(--bg-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.answer-content {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: center;
    min-height: 60px;
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.loading-dots span {
    width: 12px;
    height: 12px;
    background: var(--ice-blue);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

.loading p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Input Area */
.input-area {
    padding: var(--spacing-md) 0;
    border-top: 2px solid rgba(0, 212, 255, 0.2);
}

.input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

#questionInput {
    flex: 1;
    padding: 1.2rem 1.5rem;
    background: rgba(26, 31, 53, 0.8);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    min-width: 0; /* Wichtig für flex shrinking */
}

#questionInput:focus {
    outline: none;
    border-color: var(--ice-blue);
    box-shadow: 0 0 15px var(--accent-glow);
}

#questionInput::placeholder {
    color: var(--text-secondary);
}

#submitBtn {
    padding: 1.2rem 1.8rem;
    background: linear-gradient(135deg, var(--ice-blue) 0%, var(--ice-blue-dark) 100%);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

#submitBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--accent-glow);
}

#submitBtn:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 1.25rem;
}

.disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 480px) {
    .logo h1 {
        font-size: 2.5rem;
    }
    
    .answer-content {
        font-size: 1.125rem;
    }
    
    .answer-box {
        padding: var(--spacing-sm);
        margin: 0;
    }
    
    .ai-label {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }
    
    #questionInput {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .btn-text {
        display: none;
    }
    
    #submitBtn {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .input-wrapper {
        gap: 0.5rem;
    }
}

@media (min-width: 768px) {
    .container {
        padding: var(--spacing-lg);
    }
    
    .answer-box {
        padding: var(--spacing-xl);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   Hamburger Menu
   =================================== */

/* Hamburger Button */
.hamburger-btn {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    background: rgba(26, 31, 53, 0.9);
    border: 2px solid var(--ice-blue);
    border-radius: 8px;
    padding: 0.8rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    transition: all 0.3s ease;
}

.hamburger-btn:hover {
    background: rgba(0, 212, 255, 0.2);
    box-shadow: 0 0 15px var(--accent-glow);
}

.hamburger-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--ice-blue);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Slide-in Menu */
.slide-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 31, 53, 0.98) 0%, rgba(10, 14, 26, 0.98) 100%);
    border-left: 2px solid var(--ice-blue);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 1001;
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: right 0.3s ease;
}

.slide-menu.active {
    right: 0;
}

/* Close Button */
.menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--ice-blue);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: all 0.3s ease;
}

.menu-close:hover {
    color: var(--ice-blue-light);
    transform: rotate(90deg);
}

/* Menu Items */
.menu-items {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-xl);
}

.menu-items li {
    margin-bottom: var(--spacing-md);
}

.menu-items a {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.125rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    background: rgba(26, 31, 53, 0.5);
    transition: all 0.3s ease;
}

.menu-items a:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--ice-blue);
    transform: translateX(-5px);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Mobile Anpassungen */
@media (max-width: 480px) {
    .hamburger-btn {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .slide-menu {
        width: 240px;
        right: -240px;
    }
}

/* ===================================
   Content Pages (Kontakt, Datenschutz, Impressum)
   =================================== */

.content-page {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.content-page h2 {
    color: var(--ice-blue-light);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    word-wrap: break-word;
    hyphens: auto;
}

/* Mobile: Kleinere Überschriften */
@media (max-width: 480px) {
    .content-page h2 {
        font-size: 1.5rem;
        padding: 0 var(--spacing-xs);
    }
}

@media (max-width: 360px) {
    .content-page h2 {
        font-size: 1.3rem;
    }
}

.content-page p {
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.back-link {
    display: inline-block;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--ice-blue);
    border-radius: 8px;
    color: var(--ice-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateX(-5px);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Impressum-spezifisches Styling */
.impressum-container {
    text-align: center;
}

.impressum-intro {
    color: var(--ice-blue);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.impressum-svg {
    width: 90vw; /* 90% der Viewport-Breite */
    max-width: 400px; /* Aber maximal 400px auf großen Screens */
    height: auto;
    margin: var(--spacing-xl) auto;
    display: block;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

/* Zusätzliche Sicherheit für sehr kleine Displays */
@media (max-width: 360px) {
    .impressum-svg {
        width: 85vw;
    }
}

.impressum-note {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-xl);
    line-height: 1.6;
}

.impressum-disclaimer {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-style: italic;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    border-left: 3px solid var(--ice-blue);
    border-radius: 4px;
}

/* Datenschutz-spezifisches Styling */
.datenschutz-container {
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

.datenschutz-section {
    margin-bottom: var(--spacing-xl);
}

.datenschutz-section h3 {
    color: var(--ice-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.datenschutz-section p {
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.datenschutz-section ul {
    list-style: none;
    padding-left: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.datenschutz-section li {
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-md);
}

.datenschutz-section li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--ice-blue);
}

.datenschutz-section strong {
    color: var(--ice-blue-light);
}

.datenschutz-note {
    background: rgba(0, 212, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 3px solid var(--ice-blue);
    font-style: italic;
}

/* ===================================
   Einstellungen
   =================================== */

.einstellungen-container {
    max-width: 600px;
    margin: 0 auto;
}

.einstellungen-section {
    margin-bottom: var(--spacing-xl);
}

.einstellungen-section h3 {
    color: var(--ice-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.einstellungen-section h4 {
    color: var(--ice-blue-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.setting-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.language-toggle {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.lang-btn {
    flex: 1;
    padding: var(--spacing-lg);
    background: rgba(26, 31, 53, 0.6);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--ice-blue);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.lang-btn.active {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--ice-blue);
    box-shadow: 0 0 20px var(--accent-glow);
}

.lang-icon {
    font-size: 2rem;
}

.lang-name {
    font-size: 1.125rem;
    font-weight: 600;
}

.setting-info {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    border-radius: 8px;
    color: var(--text-secondary);
}

.setting-info strong {
    color: var(--ice-blue-light);
}

.info-box {
    background: rgba(26, 31, 53, 0.4);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.info-box p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.info-box em {
    color: var(--ice-blue-light);
    font-style: normal;
    font-weight: 600;
}

.small-text {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Mobile Optimierung */
@media (max-width: 480px) {
    .language-toggle {
        flex-direction: column;
    }
    
    .lang-btn {
        padding: var(--spacing-md);
    }
}

/* ===================================
   Kontaktformular
   =================================== */

.kontakt-container {
    max-width: 600px;
    margin: 0 auto;
}

.kontakt-intro {
    text-align: center;
    color: var(--text-primary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    background: rgba(26, 31, 53, 0.6);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    color: var(--ice-blue);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(10, 14, 26, 0.8);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Segoe UI', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ice-blue);
    box-shadow: 0 0 15px var(--accent-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 170, 204, 0.2) 100%);
    border: 2px solid var(--ice-blue);
    border-radius: 10px;
    color: var(--ice-blue-light);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.submit-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(0, 170, 204, 0.3) 100%);
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-2px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    background: rgba(0, 255, 127, 0.1);
    border: 2px solid rgba(0, 255, 127, 0.5);
    color: #00ff7f;
}

.form-status.error {
    background: rgba(255, 68, 68, 0.1);
    border: 2px solid rgba(255, 68, 68, 0.5);
    color: #ff6b6b;
}

.kontakt-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-style: italic;
    line-height: 1.6;
}

/* Mobile Optimierung */
@media (max-width: 480px) {
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Verhindert Zoom auf iOS */
    }
}