:root {
    --bg: #000000;
    --card-bg: rgba(28, 28, 30, 0.7);
    --text: #ffffff;
    --text-muted: #a1a1a6;
    --accent: #ffb800;
    --accent-hover: #ffd60a;
    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(25, 25, 27, 0.6);
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

body.light-mode {
    --bg: #f5f5f7;
    --card-bg: rgba(255, 255, 255, 0.7);
    --text: #1d1d1f;
    --text-muted: #86868b;
    --border: rgba(0, 0, 0, 0.1);
    --glass: rgba(255, 255, 255, 0.8);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    overflow-y: scroll;
}

body {
    font-family: 'Lexend', -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .serif {
    font-family: 'Lexend', sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    padding: 10px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 2000;
    background: var(--glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    white-space: nowrap;
}

.logo span { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 14px;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

/* User Widget */
.nav-user-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-nav-card {
    display: flex;
    align-items: center;
}

.user-nav-name {
    font-size: 14px;
    font-weight: 800;
    color: var(--text);
    cursor: pointer;
}

.user-nav-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    color: var(--text-muted);
}

.user-nav-stat {
    font-weight: 600;
    color: var(--accent);
}

.user-nav-action {
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
}

.user-nav-action:hover {
    color: #ff3b30;
}

.user-nav-login {
    background: var(--accent);
    color: #000;
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 800;
}

.mobile-user-link {
    display: none;
}


.menu-toggle {
    display: none;
    font-size: 28px;
    color: var(--accent);
    cursor: pointer;
    z-index: 2001;
}

/* Hero Section */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    background: radial-gradient(circle at center, var(--glass) 0%, var(--bg) 100%);
    position: relative;
}

.hero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    gap: 80px;
}

.hero-text { flex: 1; text-align: left; }
.hero-title {
    font-size: clamp(40px, 8vw, 120px);
    line-height: 1;
    margin-bottom: 25px;
    background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-title span { -webkit-text-fill-color: initial; color: var(--accent); opacity: 0.8; }

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Hero Preview Slider */
.hero-preview { flex: 1; display: flex; justify-content: flex-end; }
.preview-card {
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
    box-shadow: none;
    transform: none;
}

.mini-slider {
    position: relative;
    width: min(520px, 40vw);
    aspect-ratio: 1 / 1;
    border-radius: 30px;
    overflow: hidden;
    touch-action: pan-y;
    background: #111214;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow:
        0 28px 70px rgba(0,0,0,0.48),
        inset 0 1px 0 rgba(255,255,255,0.04);
}

.preview-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    filter: none;
}

.img-new {
    clip-path: inset(0 0 0 50%);
    -webkit-clip-path: inset(0 0 0 50%);
}

.mini-slider-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    z-index: 10;
    margin: 0;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    touch-action: pan-y;
}

.preview-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 12;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 15, 16, 0.72);
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: 13px;
    font-weight: 700;
    color: #f5f5f7;
    letter-spacing: 0.01em;
}

.mini-slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 100vh;
    background: transparent;
    cursor: ew-resize;
}

.mini-slider-input::-moz-range-thumb {
    width: 100px;
    height: 100vh;
    background: transparent;
    cursor: ew-resize;
    border: none;
}

.mini-slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    z-index: 9;
    pointer-events: none;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

/* Mobile Overrides (Max-Width 900px) */
@media (max-width: 900px) {
    nav {
        top: 0; left: 0; transform: none; width: 100%; border-radius: 0;
        padding: 10px 15px; border: none; border-bottom: 1px solid var(--border);
        height: 60px;
    }
    
    .nav-user-area { 
        gap: 12px;
        margin-right: 45px; /* Space for menu toggle */
    }
    
    .user-nav-card { 
        display: none !important; /* Hide badge in header on mobile */
    }

    .mobile-user-link {
        width: 100%;
        text-decoration: none;
        display: block !important;
    }

    .logo { font-size: 16px; gap: 8px; }

    .logo-text-sub { display: none !important; }

    .user-nav-login {
        padding: 5px 12px;
        font-size: 12px;
    }

    .menu-toggle { 
        display: block; 
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 24px; 
    }

    .nav-links {
        display: none !important;
        position: fixed; top: 68px; left: 0; width: 100%; height: 100vh;
        background: var(--bg); flex-direction: column; padding: 40px 20px; z-index: 1999;
    }

    .nav-links.active { display: flex !important; }

    .nav-link {
        width: 100%; text-align: center; padding: 18px; font-size: 18px;
        background: rgba(255,255,255,0.05); border-radius: 16px;
    }

    body.light-mode .nav-link {
        background: rgba(0, 0, 0, 0.03);
        border: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-links a { width: 100%; display: flex; justify-content: center; text-decoration: none; }
    .user-badge { 
        margin: 10px 0 !important; 
        padding: 18px !important; 
        font-size: 18px !important;
        border-radius: 20px !important;
        width: 100% !important;
        display: flex;
        justify-content: center;
        align-items: center;
        background: rgba(255, 184, 0, 0.15) !important;
        border: 1px solid var(--accent) !important;
    }
    .logout-btn { margin: 15px 0 30px 0 !important; font-size: 16px !important; opacity: 0.7; color: #ff3b30 !important; }

    header { padding: 80px 20px 40px; min-height: auto; }
    .hero-flex { flex-direction: column; text-align: center; gap: 25px; padding: 0; }
    .hero-text { order: 1; width: 100%; }
    .hero-title {
        display: block !important;
        font-size: 36px !important;
        margin-bottom: 15px !important;
        line-height: 1.2 !important;
        -webkit-text-fill-color: var(--text) !important;
    }
    .hero-title span { display: block; color: var(--accent) !important; }
    .hero-subtitle { font-size: 15px !important; margin-bottom: 25px !important; }
    
    .hero-preview { order: 2; width: 100%; justify-content: center; }
    .preview-card {
        width: 100%;
        max-width: 620px;
        padding: 0;
        margin: 0 auto;
    }
    .mini-slider { 
        width: 100% !important; 
        height: auto !important; 
        aspect-ratio: 1 / 1; 
        min-height: 0;
        border-radius: 20px; 
    }
    .preview-tag {
        top: 12px;
        left: 12px;
        font-size: 12px;
        padding: 7px 10px;
    }
}

/* Gallery & Cards */
.gallery { padding: 80px 20px; max-width: 1400px; margin: 0 auto; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.photo-card {
    background: var(--card-bg);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.photo-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.photo-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    display: block;
    object-fit: contain;
    object-position: center center;
    padding: 18px;
    background:
        radial-gradient(circle at 50% 32%, rgba(255,184,0,0.14), transparent 46%),
        linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
}

.photo-info {
    padding: 22px 25px 25px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* Custom Forms & Uploads */
.form-container {
    max-width: 600px; margin: 40px auto; padding: 40px 25px;
    background: var(--card-bg); border-radius: 24px; border: 1px solid var(--border);
}

.file-upload-wrapper { position: relative; margin: 10px 0; }
.file-upload-input {
    position: absolute; width: 100%; height: 100%; opacity: 0; cursor: pointer; z-index: 2;
}
.file-upload-label {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    padding: 20px; background: var(--glass); border: 2px dashed var(--border);
    border-radius: 16px; font-weight: 600;
}
.file-name-display { color: var(--accent); font-size: 12px; margin-top: 5px; display: block; }

/* Notifications & Modals */
.toast-container { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 9999; }
.toast {
    background: var(--accent); color: #000; padding: 15px 30px; border-radius: 50px;
    font-weight: 700; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.custom-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center; z-index: 9999;
    opacity: 0; visibility: hidden; transition: 0.3s;
}
.custom-modal-overlay.active { opacity: 1; visibility: visible; }
.custom-modal {
    background: var(--card-bg); padding: 40px; border-radius: 32px; width: 90%; max-width: 400px; text-align: center;
    border: 1px solid var(--border); box-shadow: 0 40px 100px rgba(0,0,0,0.5);
    backdrop-filter: blur(20px);
}
.modal-title { font-size: 24px; margin-bottom: 10px; color: var(--text); }
.modal-text { font-size: 15px; color: var(--text-muted); margin-bottom: 30px; line-height: 1.6; }
.modal-actions { display: flex; gap: 12px; }
.modal-btn {
    flex: 1;
    padding: 14px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}
.btn-confirm { background: var(--accent); color: #000; }
.btn-confirm:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-cancel { background: rgba(255,255,255,0.05); color: var(--text); border: 1px solid var(--border); }
.btn-cancel:hover { background: rgba(255,255,255,0.1); border-color: var(--text); transform: translateY(-2px); }

/* Footer */
footer { padding: 60px 20px; text-align: center; border-top: 1px solid var(--border); }
.footer-text { font-size: 13px; color: var(--text-muted); }
.footer-text span { color: #ff3b30; margin: 0 3px; }

/* Global Animations */
.reveal { opacity: 0; transform: translateY(20px); transition: 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* --- Viewer Page Mobile Optimization --- */
@media (max-width: 768px) {
    .comparison-slider {
        height: 60vh !important;
        margin-top: 80px;
    }
    
    .viewer-info {
        position: relative !important;
        top: 0 !important;
        left: 0 !important;
        padding: 20px !important;
        text-align: center;
        background: none !important;
    }

    .slider-input::-webkit-slider-thumb {
        height: 60vh !important;
        width: 40px !important;
    }

    .slider-handle {
        width: 50px !important;
        height: 50px !important;
    }
}

.viewer-info {
    position: absolute;
    top: 40px;
    left: 40px;
    z-index: 1000;
    padding: 20px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.viewer-info h2 {
    font-size: 24px;
    margin-bottom: 5px;
}

.viewer-info p {
    color: var(--text-muted);
    font-size: 14px;
}

/* --- Form & Input Refinement --- */
.form-group {
    margin-bottom: 25px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

input[type="text"], 
input[type="email"],
input[type="number"], 
input[type="password"],
textarea {
    width: 100% !important;
    padding: 15px 20px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 184, 0, 0.05);
    box-shadow: 0 0 20px rgba(255, 184, 0, 0.1);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.primary-btn {
    width: 100%;
    padding: 18px;
    background: var(--accent);
    color: #000 !important;
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
    box-shadow: 0 10px 30px rgba(255, 184, 0, 0.2);
}

.primary-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 184, 0, 0.4);
}

/* --- Enhanced User Badge --- */
.user-badge {
    background: rgba(255, 184, 0, 0.1);
    border: 1px solid rgba(255, 184, 0, 0.3);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 0;
    box-shadow: 0 0 15px rgba(255, 184, 0, 0.1);
    cursor: pointer;
    transition: var(--transition);
}

.user-badge:hover {
    transform: scale(1.05);
    background: rgba(255, 184, 0, 0.2);
    border-color: var(--accent);
}

.user-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
    animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.logout-btn {
    margin-left: 10px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}

.logout-btn:hover {
    color: #ff3b30;
}

/* --- Profile Gallery Card Buttons --- */
.card-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-card {
    flex: 1;
    padding: 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-card-view {
    background: rgba(255, 184, 0, 0.1);
    color: var(--accent);
    border-color: rgba(255, 184, 0, 0.3);
}

.btn-card-view:hover {
    background: var(--accent);
    color: #000;
}

.btn-card-edit {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

body.light-mode .btn-card-edit {
    background: rgba(0, 0, 0, 0.05);
}

.btn-card-edit:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text);
}

.btn-card-delete {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
    border-color: rgba(255, 59, 48, 0.3);
}

.btn-card-delete:hover {
    background: #ff3b30;
    color: #fff;
    border-color: #ff3b30;
}


.logo-text-main {
    font-weight: 800;
}

.logo-text-sub {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

.ammersee-icon {
    width: 24px;
    height: 32px;
    fill: none;
    stroke: var(--accent);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 8px rgba(255, 184, 0, 0.4));
    opacity: 0.9;
}

@media (max-width: 600px) {
    .logo-text-sub { display: none; }
    .logo { font-size: 18px; }
}

/* --- Clean Text Branding --- */
.logo {
    display: flex;
    align-items: baseline;
    gap: 0;
    font-size: 22px;
}

.logo-text-main { font-weight: 800; color: #fff; }
.logo-text-main span { color: var(--accent); }
.logo-text-sub { 
    font-size: 14px; 
    font-weight: 300; 
    color: var(--text-muted); 
    margin-left: 8px;
    letter-spacing: 0.05em;
}

@media (max-width: 600px) {
    .logo { font-size: 18px; }
    .logo-text-sub { display: none; }
}

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    width: 95%;
    max-width: 500px;
    background: var(--glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 25px;
    z-index: 9999;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.active {
    transform: translateX(-50%) translateY(0);
}

.cookie-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--accent);
}

.cookie-text {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.cookie-actions {
    display: flex;
    gap: 12px;
}

.cookie-btn {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-accept {
    background: var(--accent);
    color: #000;
}

.btn-accept:hover {
    background: var(--accent-hover);
}

.btn-settings {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border);
}

.btn-settings:hover {
    background: rgba(255, 255, 255, 0.1);
}

.secondary-btn {
    width: 100%;
    padding: 16px 20px;
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    backdrop-filter: blur(10px);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--glass);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text);
    transition: var(--transition);
    margin-right: 15px;
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(30deg) scale(1.2);
    color: var(--accent);
}

.theme-toggle.mobile-toggle {
    display: none;
    width: 100%;
    margin-top: 10px;
    margin-right: 0;
    justify-content: center;
    align-items: center;
    gap: 12px;
    border-radius: 20px;
    padding: 18px;
    background: rgba(255, 184, 0, 0.1) !important;
    border: 1px solid var(--accent);
    color: var(--accent) !important;
    font-weight: 700;
    font-size: 18px;
}

.theme-toggle.mobile-toggle .theme-icon,
.theme-toggle.mobile-toggle span {
    color: var(--accent) !important;
    stroke: var(--accent);
}

body.light-mode .theme-toggle.mobile-toggle {
    background: #1a1a1a !important;
    border-color: #1a1a1a !important;
}

.theme-toggle.mobile-toggle .theme-icon {
    width: 24px;
    height: 24px;
}

@media (max-width: 900px) {
    .theme-toggle.desktop-toggle {
        display: none;
    }
    .theme-toggle.mobile-toggle {
        display: flex;
    }
}

body.light-mode .hero-title {
    background: linear-gradient(180deg, #1d1d1f 0%, #434343 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

body.light-mode .hero-section {
    background: radial-gradient(circle at center, #ffffff 0%, #f5f5f7 100%);
}

body.light-mode header {
    background: radial-gradient(circle at center, #ffffff 0%, #f5f5f7 100%);
}