/* Terminal Trouble - Hacker Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0d0d0d;
    --fg: #0f0;
    --fg-dim: #0a0;
    --accent: #0ff;
    --error: #f00;
    --success: #0f0;
    --warning: #ff0;
}

body {
    background: var(--bg);
    color: var(--fg);
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    border-bottom: 2px solid var(--fg);
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo {
    color: var(--fg);
    font-size: 12px;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--fg);
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--fg);
    text-decoration: none;
    transition: text-shadow 0.3s;
}

nav a:hover {
    text-shadow: 0 0 10px var(--fg);
}

/* Main content */
main {
    min-height: 60vh;
    margin-bottom: 60px;
}

h1, h2, h3, h4 {
    color: var(--accent);
    margin-bottom: 20px;
    text-shadow: 0 0 5px var(--accent);
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.2em; }

a {
    color: var(--accent);
    text-decoration: underline;
}

a:hover {
    text-shadow: 0 0 5px var(--accent);
}

/* Forms */
input, select, textarea {
    background: var(--bg);
    border: 2px solid var(--fg);
    color: var(--fg);
    padding: 10px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    width: 100%;
    margin-bottom: 15px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 10px var(--fg);
}

button, .btn-primary {
    background: var(--bg);
    border: 2px solid var(--fg);
    color: var(--fg);
    padding: 10px 20px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn-primary:hover {
    background: var(--fg);
    color: var(--bg);
    box-shadow: 0 0 15px var(--fg);
}

/* Writeup Cards */
.writeups {
    display: grid;
    gap: 30px;
}

.writeup-card {
    border: 2px solid var(--fg-dim);
    padding: 20px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.writeup-card:hover {
    border-color: var(--fg);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
}

.writeup-card h3 {
    margin-bottom: 10px;
}

.meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14px;
}

.meta span {
    padding: 3px 8px;
    border: 1px solid var(--fg-dim);
}

.difficulty.easy { color: var(--success); }
.difficulty.medium { color: var(--warning); }
.difficulty.hard { color: #ff8800; }
.difficulty.insane { color: var(--error); }

.tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.tag {
    color: var(--fg-dim);
    font-size: 14px;
}

.date {
    color: var(--fg-dim);
    font-size: 14px;
}

/* Writeup Detail */
.writeup-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--fg-dim);
}

.machine-info {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.info-row {
    display: flex;
    gap: 15px;
}

.info-row .label {
    color: var(--fg-dim);
    min-width: 120px;
}

.info-row .value.active {
    color: var(--error);
    font-weight: bold;
}

.writeup-content {
    line-height: 1.8;
}

.writeup-content h2,
.writeup-content h3 {
    margin-top: 40px;
    margin-bottom: 20px;
}

.writeup-content p {
    margin-bottom: 20px;
}

.writeup-content pre {
    background: #000;
    border: 2px solid var(--fg-dim);
    padding: 20px;
    overflow-x: auto;
    margin-bottom: 20px;
}

.writeup-content code {
    background: #000;
    padding: 2px 6px;
    border: 1px solid var(--fg-dim);
}

.writeup-content pre code {
    background: transparent;
    border: none;
    padding: 0;
}

.writeup-content img {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--fg-dim);
    margin: 20px 0;
}

.writeup-content ul,
.writeup-content ol {
    margin-left: 40px;
    margin-bottom: 20px;
}

.writeup-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.writeup-content table th,
.writeup-content table td {
    border: 1px solid var(--fg-dim);
    padding: 10px;
    text-align: left;
}

.writeup-content table th {
    background: #000;
    color: var(--accent);
}

/* Locked Page */
.locked-message {
    text-align: center;
    padding: 60px 20px;
}

.locked-message h2 {
    margin-bottom: 20px;
}

.locked-message form {
    max-width: 500px;
    margin: 40px auto;
}

/* Filters */
.filters {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--fg-dim);
}

.filters form {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters select {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

.search input {
    max-width: 500px;
}

/* Admin */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--fg);
}

.admin-nav {
    display: flex;
    gap: 20px;
}

.admin-login {
    max-width: 500px;
    margin: 60px auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--fg-dim);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.checkboxes {
    display: flex;
    gap: 20px;
}

.checkboxes label {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Editor */
.editor-metadata {
    margin-bottom: 30px;
    padding: 20px;
    border: 2px solid var(--fg-dim);
    background: #0a0a0a;
}

.editor-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.editor-left textarea {
    min-height: 600px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.editor-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.preview-section {
    flex: 1;
}

.preview-section h3,
.gallery-section h3 {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.preview {
    border: 2px solid var(--fg-dim);
    padding: 20px;
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
    background: #0a0a0a;
}

.preview .placeholder {
    color: var(--fg-dim);
    font-style: italic;
}

.gallery-section {
    border: 2px solid var(--fg-dim);
    padding: 15px;
    background: #0a0a0a;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.image-gallery .placeholder {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--fg-dim);
    font-style: italic;
    padding: 20px;
}

.gallery-item {
    border: 2px solid var(--fg-dim);
    padding: 8px;
    background: #000;
    transition: border-color 0.3s;
}

.gallery-item:hover {
    border-color: var(--fg);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border: 1px solid var(--fg-dim);
    cursor: pointer;
}

.gallery-meta {
    margin: 8px 0;
    font-size: 0.75em;
}

.gallery-meta .filename {
    color: var(--fg);
    word-break: break-all;
    margin-bottom: 3px;
}

.gallery-meta .dimensions {
    color: var(--fg-dim);
}

.gallery-actions {
    display: flex;
    gap: 5px;
    justify-content: space-between;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--fg-dim);
    color: var(--fg);
    padding: 5px 8px;
    font-size: 16px;
    cursor: pointer;
    flex: 1;
    transition: all 0.3s;
}

.btn-icon:hover {
    border-color: var(--fg);
    background: var(--fg);
    color: var(--bg);
    box-shadow: 0 0 8px rgba(0, 255, 0, 0.3);
}

.btn-icon.btn-cover.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 10px var(--accent);
}

.btn-save {
    width: 100%;
    padding: 15px;
    font-size: 18px;
}

/* Table */
.writeup-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.writeup-table th,
.writeup-table td {
    border: 1px solid var(--fg-dim);
    padding: 10px;
    text-align: left;
}

.writeup-table th {
    background: #000;
    color: var(--accent);
}

.writeup-table .actions {
    display: flex;
    gap: 10px;
}

.writeup-table .actions a,
.writeup-table .actions button {
    padding: 5px 10px;
    font-size: 14px;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat {
    border: 2px solid var(--fg-dim);
    padding: 20px;
    text-align: center;
}

.stat .label {
    color: var(--fg-dim);
    display: block;
    margin-bottom: 10px;
}

.stat .value {
    font-size: 2em;
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent);
}

/* Messages */
.error {
    background: #220000;
    border: 2px solid var(--error);
    color: var(--error);
    padding: 15px;
    margin-bottom: 20px;
}

.success {
    background: #002200;
    border: 2px solid var(--success);
    color: var(--success);
    padding: 15px;
    margin-bottom: 20px;
}

.no-results {
    color: var(--fg-dim);
    font-style: italic;
    text-align: center;
    padding: 40px;
}

/* Footer */
footer {
    border-top: 2px solid var(--fg);
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
}

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
    margin-left: 5px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* TOTP Setup */
.totp-setup {
    max-width: 600px;
    margin: 0 auto;
}

.qr-code {
    text-align: center;
    margin: 30px 0;
    padding: 30px;
    border: 2px solid var(--fg-dim);
}

.totp-secret {
    display: block;
    background: #000;
    border: 2px solid var(--fg);
    padding: 15px;
    text-align: center;
    font-size: 18px;
    letter-spacing: 2px;
    margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .editor-split {
        grid-template-columns: 1fr;
    }
    
    .filters form {
        flex-direction: column;
    }
    
    .filters select {
        width: 100%;
    }
    
    .meta {
        flex-wrap: wrap;
    }
    
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .writeup-table .actions {
        flex-direction: column;
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .card-cover {
        aspect-ratio: 4 / 3;
    }
}

/* Syntax Highlighting (Chroma) */
.chroma {
    background: #000 !important;
}

.chroma .err { color: #f00; }
.chroma .k { color: #0ff; }
.chroma .n { color: #0f0; }
.chroma .o { color: #fff; }
.chroma .p { color: #fff; }
.chroma .s { color: #ff0; }
.chroma .s1 { color: #ff0; }
.chroma .s2 { color: #ff0; }
.chroma .ss { color: #ff0; }
.chroma .c { color: #666; font-style: italic; }
.chroma .c1 { color: #666; font-style: italic; }
.chroma .cm { color: #666; font-style: italic; }
.chroma .nf { color: #0ff; }
.chroma .nc { color: #0ff; }
.chroma .nt { color: #0ff; }
.chroma .na { color: #0f0; }
.chroma .nb { color: #0f0; }
.chroma .bp { color: #0f0; }

/* Drag & Drop Upload */
.dropzone {
    border: 2px dashed #004400;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #0a0a0a;
    color: #008800;
}
.dropzone:hover, .dropzone.drag-over {
    border-color: #0f0;
    background: #0d1a0d;
    color: #0f0;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
}
.uploaded-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}
.upload-thumb {
    background: #111;
    border: 1px solid #004400;
    border-radius: 4px;
    padding: 5px;
    max-width: 200px;
}
.upload-thumb img {
    max-width: 100%;
    border-radius: 2px;
}
.upload-thumb code {
    display: block;
    font-size: 0.7em;
    margin-top: 4px;
    word-break: break-all;
    color: #0f0;
}

/* Writeup Cards with Cover - Fixed 16:9 Aspect Ratio */
.writeup-card {
    border: 2px solid var(--fg-dim);
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.writeup-card:hover {
    border-color: var(--fg);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #000;
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.writeup-card:hover .card-cover img {
    opacity: 1;
    transform: scale(1.02);
}

.lock-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid var(--error);
    padding: 8px 12px;
    font-size: 1.4em;
    text-shadow: 0 0 10px var(--error);
}

.card-body {
    padding: 20px;
}

.card-body h3 {
    margin: 0 0 12px 0;
    color: var(--accent);
}

/* Writeup Detail Cover - Hero Banner */
.writeup-cover {
    position: relative;
    width: 100%;
    max-height: 350px;
    overflow: hidden;
    margin: -20px -20px 40px -20px;
    border-bottom: 2px solid var(--fg);
}

.writeup-cover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, transparent, #0d0d0d);
    pointer-events: none;
}

.writeup-cover img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    display: block;
}

/* Locked Page Cover */
.locked-message {
    position: relative;
    text-align: center;
    padding: 60px 20px;
}

.locked-cover {
    position: relative;
    width: 100%;
    max-height: 400px;
    overflow: hidden;
    margin: -20px -20px 40px -20px;
}

.locked-cover::after {
    content: '🔒';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px;
    text-shadow: 0 0 30px var(--error), 0 0 60px var(--error);
    z-index: 2;
}

.locked-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.locked-cover img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    filter: blur(3px);
}

/* Copy Button on Code Blocks */
.copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: #1a1a1a;
    color: #008800;
    border: 1px solid #004400;
    border-radius: 4px;
    padding: 3px 10px;
    font-family: 'Courier New', monospace;
    font-size: 0.75em;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
}
pre:hover .copy-btn {
    opacity: 1;
}
.copy-btn:hover {
    background: #004400;
    color: #0f0;
    border-color: #0f0;
    box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}
.copy-btn.copied {
    color: #0f0;
    border-color: #0f0;
}