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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f0f0f;
    color: #e0e0e0;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 2rem 1rem;
    border-bottom: 1px solid #2a2a2a;
}

header h1 { font-size: 2rem; color: #fff; }
.subtitle { color: #888; margin-top: 0.3rem; }

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem;
}

.step {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    margin: 1rem 0;
    overflow: hidden;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1rem;
    background: #222;
    border-bottom: 1px solid #2a2a2a;
}

.step-num {
    background: #3b82f6;
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.step-header h2 { font-size: 1rem; flex: 1; }

.step-status {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: #333;
    color: #aaa;
}

.step-status.ok { background: #166534; color: #86efac; }
.step-status.error { background: #991b1b; color: #fca5a5; }
.step-status.pending { background: #854d0e; color: #fde047; }

.step-body {
    padding: 1rem;
}

button {
    background: #3b82f6;
    color: #fff;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

button:hover { background: #2563eb; }
button:disabled { background: #444; color: #888; cursor: not-allowed; }
button:active { transform: scale(0.97); }

.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }

.btn-small {
    padding: 0.3rem 0.8rem;
    font-size: 0.75rem;
    background: #444;
}

.btn-download {
    display: inline-block;
    background: #16a34a;
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 0.8rem;
}
.btn-download:hover { background: #15803d; }

.filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filters label { color: #aaa; font-size: 0.9rem; }
.filters input {
    background: #333;
    border: 1px solid #555;
    color: #fff;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    width: 70px;
    font-size: 0.9rem;
}

.gpu-table {
    max-height: 300px;
    overflow-y: auto;
}

.gpu-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr auto;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid #2a2a2a;
    align-items: center;
    font-size: 0.85rem;
}

.gpu-row:hover { background: #252525; }

.gpu-row.header {
    background: #222;
    font-weight: bold;
    color: #aaa;
    position: sticky;
    top: 0;
}

.gpu-row .gpu-name { color: #60a5fa; font-weight: 500; }
.gpu-row .gpu-price { color: #fbbf24; }
.gpu-row .gpu-reliability { color: #34d399; }

.gpu-row button {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

.upload-area {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.upload-box {
    flex: 1;
    min-width: 200px;
    background: #222;
    border: 1px dashed #555;
    border-radius: 6px;
    padding: 1rem;
    text-align: center;
}

.upload-box label {
    display: block;
    margin-bottom: 0.5rem;
    color: #aaa;
    font-size: 0.85rem;
}

.upload-box input[type="file"] {
    font-size: 0.85rem;
    color: #ccc;
}

.file-info {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.75rem;
    color: #888;
}

.logs-section {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    margin: 1rem 0;
}

.logs-section .step-header { background: #1e1e1e; }

.logs-box {
    height: 300px;
    overflow-y: auto;
    padding: 0.8rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    background: #111;
    color: #a0a0a0;
}

.logs-box::-webkit-scrollbar { width: 6px; }
.logs-box::-webkit-scrollbar-track { background: #111; }
.logs-box::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }

.log-line { white-space: pre-wrap; word-break: break-all; }
.log-line.error { color: #f87171; }
.log-line.success { color: #4ade80; }

#model-info, #rent-info, #setup-info {
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
    color: #aaa;
}

#result-area {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #2a2a2a;
}

/* Mask editor */
.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0;
    flex-wrap: wrap;
}

.editor-label {
    font-size: 0.85rem;
    color: #aaa;
}

.editor-toolbar label {
    font-size: 0.8rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.editor-toolbar input[type="range"] {
    width: 80px;
    accent-color: #3b82f6;
}

.canvas-container {
    position: relative;
    display: inline-block;
    border: 1px solid #444;
    border-radius: 6px;
    overflow: hidden;
    cursor: crosshair;
    max-width: 100%;
}

.canvas-container canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

#mask-canvas {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    opacity: 0.5;
}

.frame-nav {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0;
}

.frame-nav button {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
}

.frame-nav span {
    font-size: 0.8rem;
    color: #aaa;
    min-width: 120px;
    text-align: center;
}

.frame-nav input[type="range"] {
    flex: 1;
    accent-color: #3b82f6;
}

#mask-upload-box {
    border-style: solid;
    border-color: #333;
}