/* CyberPaste - Dark Cyberpunk Theme */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --text-primary: #e0e0e0;
    --text-secondary: #888;
    --accent-cyan: #22d3ee;
    --accent-blue: #0ea5e9;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --border-color: #2a2a3a;
    --glow-cyan: 0 0 20px rgba(34, 211, 238, 0.3);
    --glow-blue: 0 0 20px rgba(14, 165, 233, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-cyan);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: background 0.3s;
}

.mobile-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-cyan);
}

/* Main Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 1.5rem 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Paste Form */
.paste-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.form-header {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 150px;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group select,
.form-group input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(34, 211, 238, 0.2);
}

.editor-container {
    padding: 0;
}

#content {
    width: 100%;
    min-height: 400px;
    background: var(--bg-primary);
    border: none;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 1.5rem;
    resize: vertical;
}

#content:focus {
    outline: none;
}

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

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.options {
    display: flex;
    gap: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.checkbox-label:hover {
    color: var(--text-primary);
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s;
}

.checkbox-label input:checked + .checkmark {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--bg-primary);
    font-size: 12px;
    font-weight: bold;
}

.password-group input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    width: 200px;
}

.password-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

#submitBtn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border: none;
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

#submitBtn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

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

/* Result Section */
.result-section {
    margin-top: 2rem;
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-cyan);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--glow-cyan);
}

.result-card h3 {
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.result-url {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.result-url input {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: monospace;
}

.copy-btn {
    background: var(--accent-cyan);
    border: none;
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.3s;
}

.copy-btn:hover {
    opacity: 0.9;
}

.result-info {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.3s, color 0.3s;
}

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

/* Features Section */
.features {
    margin-top: 4rem;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* View Page */
.view-container {
    max-width: 1000px;
}

.password-section,
.error-section,
.loading-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}

.password-card,
.error-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    max-width: 400px;
}

.lock-icon,
.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.password-card h2,
.error-card h2 {
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.password-card p,
.error-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.password-card form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.password-card input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 1rem;
    text-align: center;
}

.password-card button {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    border: none;
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

.error-msg {
    color: var(--accent-pink);
    margin-top: 1rem;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: var(--bg-primary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
}

/* Paste View */
.paste-view {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.paste-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.paste-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.paste-id code {
    background: var(--bg-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    color: var(--accent-cyan);
}

.paste-lang {
    background: var(--accent-purple);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.paste-views {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.paste-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.paste-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: border-color 0.3s, color 0.3s;
}

.action-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.code-container {
    display: flex;
    overflow-x: auto;
}

.line-numbers {
    background: var(--bg-tertiary);
    padding: 1rem 0.75rem;
    text-align: right;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    user-select: none;
    border-right: 1px solid var(--border-color);
    min-width: 50px;
}

.code-container pre {
    flex: 1;
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
    background: var(--bg-primary);
}

.code-container code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
}

.burn-warning {
    background: rgba(236, 72, 153, 0.1);
    border-top: 1px solid var(--accent-pink);
    color: var(--accent-pink);
    padding: 1rem;
    text-align: center;
    font-weight: 500;
}

/* Loading */
.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-section {
    flex-direction: column;
    gap: 1rem;
}

.loading-section p {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .form-header {
        flex-direction: column;
    }

    .form-group {
        width: 100%;
    }

    .form-footer {
        flex-direction: column;
    }

    .options {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }

    .password-group input {
        width: 100%;
    }

    #submitBtn {
        width: 100%;
        justify-content: center;
    }

    .paste-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .paste-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .paste-actions {
        flex-wrap: wrap;
    }
}