@font-face {
    font-family: 'Silkscreen';
    src: url('/static/fonts/Silkscreen.ttf');
}
:root {
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --card-bg: #121212;
    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --accent-red: #ff3b30;
    --accent-blue: #007aff;
    --pixel-size: 2px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Silkscreen, monospace;
}

body {
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Pixel borders */
.pixel-border {
    border: var(--pixel-size) solid;
    image-rendering: pixelated;
}

.pixel-border-red {
    border-color: var(--accent-red);
}

.pixel-border-blue {
    border-color: var(--accent-blue);
}

.pixel-border-mixed {
    border-image: linear-gradient(45deg, var(--accent-red), var(--accent-blue)) 1;
}
a{
    text-decoration: none;
}
a:visited {
    color:#ff3b30;
}
a {
    color:#007aff;
}
a:hover {
    color:#FFF;
}
textarea {
    min-height: 360px;
    width: 100%;
}
/* Navigation */
.navbar {
    background: var(--darker-bg);
    padding: 1em 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--pixel-size) solid var(--accent-red);
}

.nav-brand {
    font-size: 1.8em;
    font-weight: bold;
    text-decoration: none;
}

.nav-brand .lin {
    color: var(--accent-red);
}

.nav-brand .qr {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 1.5em;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5em;
    transition: all 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: var(--pixel-size);
    background: var(--accent-red);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 2em auto;
    padding: 0 1em;
}

/* Alerts */
.alert {
    padding: 1em;
    margin-bottom: 1.5em;
    text-align: center;
    border: var(--pixel-size) solid;
}

.alert-error {
    background: rgba(200, 0, 0, 0.1);
    border-color: var(--accent-red);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(0, 200, 0, 0.1);
    border-color: #2ecc71;
    color: #6bff6b;
}

.alert-info {
    background: rgba(41, 128, 185, 0.1);
    border-color: var(--accent-blue);
    color: #3498db;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 3em 0;
    margin-bottom: 2em;
    background: var(--card-bg);
    border: var(--pixel-size) solid var(--accent-blue);
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
    background: rgb(255, 255, 255);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 1px rgb(255, 0, 0);
}

.hero p {
    font-size: 1.2em;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 1.5em;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8em 1.5em;
    border-radius: 0;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    border: var(--pixel-size) solid;
    background: transparent;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    transition: left 0.3s;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    border-color: var(--accent-blue);
}

.btn-primary::before {
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.3), transparent);
}

.btn-primary:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 5px rgba(0, 122, 255, 0.5);
    box-shadow: 0 0 10px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
    border-color: var(--accent-red);
}

.btn-secondary::before {
    background: linear-gradient(90deg, transparent, rgba(255, 59, 48, 0.3), transparent);
}

.btn-secondary:hover {
    color: var(--accent-red);
    text-shadow: 0 0 5px rgba(255, 59, 48, 0.5);
    box-shadow: 0 0 10px rgba(255, 59, 48, 0.3);
}

/* Content grid */
.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2em;
    margin-top: 2em;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5em;
}

/* Cards */
.post-card, .sidebar, .form-card, .qr-result, .info-card {
    background: var(--card-bg);
    padding: 1.5em;
    transition: transform 0.2s;
    border: var(--pixel-size) solid var(--accent-blue);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 122, 255, 0.2);
}

.post-title {
    font-size: 1.2em;
    margin-bottom: 0.5em;
    color: var(--accent-blue);
}

.post-meta {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-bottom: 1em;
}

.post-content {
    margin-bottom: 1em;
    line-height: 1.5;
}

/* Sidebar */
.sidebar {
    border-color: var(--accent-red);
}

.sidebar h3 {
    margin-top: 0;
    border-bottom: var(--pixel-size) solid #444;
    padding-bottom: 0.5em;
    color: var(--accent-red);
}

.user-list, .post-list {
    list-style: none;
    padding: 0;
}

.user-list li, .post-list li {
    padding: 0.5em 0;
    border-bottom: var(--pixel-size) solid #444;
}

.user-list li:last-child, .post-list li:last-child {
    border-bottom: none;
}

/* Auth styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.auth-card {
    background: var(--card-bg);
    padding: 2.5em;
    width: 100%;
    max-width: 450px;
    border: var(--pixel-size) solid var(--accent-blue);
}

.auth-header {
    text-align: center;
    margin-bottom: 2em;
}

.auth-header h1 {
    color: var(--accent-blue);
    margin-bottom: 0.5em;
}

.auth-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1.5em;
}

.form-group label {
    display: block;
    margin-bottom: 0.5em;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 0.8em;
    border: var(--pixel-size) solid #444;
    background: var(--darker-bg);
    color: var(--text-primary);
    font-size: 1em;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 5px rgba(0, 122, 255, 0.5);
}

.auth-btn {
    width: 100%;
    padding: 0.8em;
    background: transparent;
    color: var(--text-primary);
    border: var(--pixel-size) solid var(--accent-blue);
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.3), transparent);
    transition: left 0.3s;
}

.auth-btn:hover::before {
    left: 0;
}

.auth-btn:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 5px rgba(0, 122, 255, 0.5);
    box-shadow: 0 0 10px rgba(0, 122, 255, 0.3);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5em;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
    color: var(--accent-red);
}

/* QR decoration */
.qr-decoration {
    text-align: center;
    margin-top: 2em;
    opacity: 0.7;
}

.qr-code {
    display: inline-block;
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--accent-red), var(--accent-blue));
    position: relative;
    margin: 0 auto;
    image-rendering: pixelated;
}

.qr-code::before, .qr-code::after {
    content: '';
    position: absolute;
    background: var(--dark-bg);
}

.qr-code::before {
    width: 50px;
    height: var(--pixel-size);
    top: 15px;
    left: 15px;
}

.qr-code::after {
    width: var(--pixel-size);
    height: 50px;
    top: 15px;
    left: 15px;
}

/* Public QR Page Styles */
.page-header {
    text-align: center;
    margin-bottom: 2em;
    padding: 1.5em;
    background: var(--card-bg);
    border: var(--pixel-size) solid var(--accent-red);
}

.page-header h1 {
    color: var(--accent-red);
    margin-bottom: 0.5em;
}

.qr-generator {
    display: grid;
    gap: 2em;
}

.qr-result {
    border-color: var(--accent-blue);
}

.qr-image-container {
    text-align: center;
    margin: 1.5em 0;
}

.qr-image-container img {
    max-width: 250px;
    border: var(--pixel-size) solid #444;
}

.qr-actions {
    text-align: center;
}

.qr-actions p {
    margin-bottom: 1em;
    word-break: break-all;
}

.info-card {
    border-color: var(--accent-red);
}

.info-card h3 {
    color: var(--accent-red);
    margin-bottom: 1em;
}

.info-card ul {
    margin: 1em 0;
    padding-left: 1.5em;
}

.info-card li {
    margin-bottom: 0.5em;
}

.auth-promo {
    background: rgba(0, 122, 255, 0.1);
    padding: 1em;
    margin-top: 1.5em;
    text-align: center;
    border: var(--pixel-size) solid var(--accent-blue);
}

/* Form enhancements */
.form-group small {
    display: block;
    margin-top: 0.3em;
    color: var(--text-secondary);
    font-size: 0.8em;
}

input:invalid {
    border-color: var(--accent-red);
}

input:valid {
    border-color: #6bff6b;
}
/* Flash messages styling */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    max-width: 300px;
}

.alert {
    position: relative;
    padding: 15px 35px 15px 15px;
    margin-bottom: 10px;
    border: var(--pixel-size) solid;
}

.alert-close {
    position: absolute;
    top: 5px;
    right: 10px;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
}

.user-welcome {
    color: var(--text-color);
    margin: 0 15px;
    font-weight: 500;
}

/* Footer improvements */
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent-blue);
}
/* Scan page styles */
.scan-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 1rem;
}

.scan-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
}

.scan-header {
    text-align: center;
    margin-bottom: 2rem;
}

.scan-form {
    margin-bottom: 2rem;
}

.scan-result {
    background: var(--success-bg);
    border-color: var(--success-color);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.result-content {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.result-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.scan-tips {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

.scan-tips ul {
    margin: 0.5rem 0 0 1.5rem;
}

/* Create post styles */
.create-post-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
}

.create-post-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
}

.create-post-header {
    text-align: center;
    margin-bottom: 2rem;
}

.create-post-form {
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn-large {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

.post-preview {
    margin-top: 2rem;
}

.preview-content {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

/* Form improvements */
.form-control-file {
    padding: 0.5rem;
    border: var(--pixel-size) solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-color);
}

.form-check-input {
    margin-left: 0.5rem;
}
.post-media {
    margin: 1.5rem 0;
    text-align: center;
}

.post-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.post-video {
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
}

.post-audio {
    width: 100%;
    margin: 1rem 0;
}

.post-link {
    display: block;
    color: var(--accent-blue);
    text-decoration: none;
    word-break: break-all;
    margin-bottom: 1rem;
}

.post-link:hover {
    text-decoration: underline;
}

.image-caption, .video-description, .audio-description, .link-description {
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}
/* Responsive design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1em;
    }
    
    .nav-links {
        margin-top: 1em;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        padding: 1.5em;
    }
    
    .hero h1 {
        font-size: 2em;
    }
}

/* Mobile-first responsive styles */
@media screen and (max-width: 768px) {
    /* Base font size reduction for mobile */
    html {
        font-size: 14px;
    }
    
    /* Hero section adjustments */
    .hero {
        padding: 1.5rem;
        text-align: center;
        margin: 1rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.2rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        padding: 0.8rem;
        font-size: 1rem;
    }
    
    /* Content grid adjustments */
    .content-grid {
        display: flex;
        flex-direction: column;
        padding: 0 1rem;
        gap: 1.5rem;
    }
    
    /* Post grid adjustments */
    .post-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .post-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .post-title {
        font-size: 1.2rem;
    }
    
    .post-meta {
        font-size: 0.85rem;
    }
    
    /* Sidebar adjustments */
    .sidebar {
        order: -1; /* Move sidebar above main content on mobile */
        margin-bottom: 1.5rem;
    }
    
    .sidebar h3 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
        border-bottom: 1px solid #ddd;
        padding-bottom: 0.5rem;
    }
    
    .user-list {
        padding-left: 1rem;
    }
    
    .user-list li {
        margin-bottom: 0.5rem;
        word-break: break-word;
    }
}

/* Additional adjustments for very small screens */
@media screen and (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .content-grid {
        padding: 0 0.5rem;
    }
    
    .post-card {
        padding: 0.8rem;
    }
}

/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Improve touch targets for mobile */
a, button {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}