:root {
    --bg-main: #0c0c0e;
    --text-primary: #e4e4e7;
    --text-muted: #71717a;
    --border-color: #27272a;
    --accent-amber: #f59e0b;
    --accent-dim: rgba(245, 158, 11, 0.12);
    --danger-color: #f87171;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
}
.terminal-container {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.header-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}
.privacy-note {
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.4;
    margin-top: 4px;
}
.nav-links {
    display: flex;
    gap: 12px;
}
.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    cursor: pointer;
    font-weight: 500;
    transition: color 0.2s ease;
}
.nav-item.active, .nav-item:hover {
    color: var(--text-primary);
}
.description {
    color: var(--text-muted);
    font-size: 13px;
}
.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}
.section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.section.hidden {
    display: none;
}
.upload-box {
    border: 1px dashed var(--border-color);
    padding: 48px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
.upload-box:hover {
    border-color: var(--accent-amber);
    background-color: var(--accent-dim);
}
.hidden-input {
    display: none;
}
.upload-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.link-action {
    color: var(--accent-amber);
    font-weight: 500;
}
.upload-sub {
    color: var(--text-muted);
    font-size: 12px;
}
.preview-panel, .result-panel {
    position: relative;
    border: 1px solid var(--border-color);
    background-color: #040405;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.preview-panel img, .result-panel img {
    max-width: 100%;
    max-height: 350px;
    object-fit: contain;
    display: block;
}
.result-image-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}
.status-tag {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background-color: #0c0c0e;
    color: var(--text-muted);
    font-size: 11px;
    padding: 2px 6px;
    border: 1px solid var(--border-color);
}
.control-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.section-label {
    color: var(--text-muted);
    font-size: 13px;
    text-transform: lowercase;
}
.platform-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 6px;
}
.platform-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    height: 38px;
    cursor: pointer;
    text-align: center;
    transition: color 0.15s ease;
}
.platform-btn:hover {
    color: var(--text-primary);
}
.platform-btn.active {
    color: var(--accent-amber);
    font-weight: 700;
}
.digit-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}
.digit-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    height: 38px;
    cursor: pointer;
    transition: color 0.15s ease;
}
.digit-btn:hover {
    color: var(--text-primary);
}
.digit-btn.selected {
    color: var(--accent-amber);
    font-weight: 700;
}
button {
    font-family: 'JetBrains Mono', monospace;
}
.process-btn, .action-btn-primary, .action-btn-secondary, .action-btn-danger {
    background: transparent;
    border: none;
    font-size: 14px;
    cursor: pointer;
    padding: 8px 12px;
    transition: color 0.2s ease, opacity 0.2s ease;
}
.process-btn {
    color: var(--accent-amber);
    font-weight: 500;
    text-align: left;
    padding-left: 0;
}
.process-btn:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}
.action-btn-primary {
    color: var(--accent-amber);
    font-weight: 500;
    text-align: center;
}
.action-btn-secondary {
    color: var(--text-muted);
    text-align: center;
}
.action-btn-secondary:hover {
    color: var(--text-primary);
}
.action-btn-danger {
    color: var(--danger-color);
    font-size: 12px;
    align-self: flex-end;
    padding: 2px 8px;
}
.actions-panel {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
}
.loader {
    color: var(--accent-amber);
    margin-left: 6px;
}
.loader.hidden {
    display: none;
}
.footer {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 11px;
}
.status-text {
    color: var(--accent-amber);
}