/* Custom CSS Variables & Layout Reset */
/* :root {
    --bg-main: #020617;
    --bg-card: #0f172a;
    --bg-input: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --border-color: #334155;
    --error-red: #ef4444;
    --error-bg: #451a1a;
    --success-green: #10b981;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    overflow-x: hidden;
}

header {
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 16px 24px;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent-purple);
}

.engine-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 4px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-green);
    border-radius: 50%;
}

main {
    flex: 1;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.hero-section {
    text-align: center;
    max-width: 600px;
}

.hero-section h1 {
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 12px;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.error-card {
    width: 100%;
    max-width: 700px;
    background-color: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.error-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.error-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fca5a5;
}

.error-desc {
    font-size: 0.85rem;
    color: #fde2e2;
}

.error-trace {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 12px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.75rem;
    color: #f87171;
    overflow-x: auto;
    max-h: 100px;
    white-space: pre;
}

.workspace-card {
    width: 100%;
    max-width: 700px;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    background-color: rgba(2, 6, 23, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
}

.drop-zone:hover {
    border-color: var(--accent-purple);
    background-color: rgba(2, 6, 23, 0.6);
}

.drop-text-primary {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.drop-text-primary span {
    color: var(--accent-purple);
}

.drop-text-secondary {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.inputs-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 640px) {
    .inputs-row { grid-template-columns: 1fr; }
}

.url-box {
    display: flex;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 4px;
}

.url-box input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 12px;
    color: var(--text-main);
    font-size: 0.8rem;
}

.url-box button {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: #ffffff;
    border-radius: 6px;
    padding: 6px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

.url-box button:hover {
    background-color: var(--accent-purple);
    border-color: var(--accent-purple);
}

.hint-box {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(30, 41, 59, 0.2);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 10px;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 10px;
}

.hint-box kbd {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 4px;
    margin: 0 4px;
    font-size: 0.7rem;
    color: var(--text-main);
}

.status-badge {
    background-color: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 12px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 450px;
}

.status-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: #e9d5ff;
}

.preview-grid {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .preview-grid { grid-template-columns: 1fr; }
}

.preview-box {
    background-color: rgba(15, 23, 42, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(51, 65, 85, 0.4);
    padding-bottom: 8px;
}

.preview-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
}

.preview-title.accent {
    color: var(--accent-purple);
}

.preview-spec {
    font-family: monospace;
    font-size: 0.65rem;
    background-color: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-muted);
}

.image-viewport {
    background-color: #020617;
    border-radius: 10px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.5);
}

.image-viewport.checkered {
    background-image: linear-gradient(45deg, #1e293b 25%, transparent 25%), 
                      linear-gradient(-45deg, #1e293b 25%, transparent 25%), 
                      linear-gradient(45deg, transparent 75%, #1e293b 75%), 
                      linear-gradient(-45deg, transparent 75%, #1e293b 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-color: #0f172a;
}

.image-viewport img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 8px;
}

.opacity-dim { opacity: 0.3; }
.hidden { display: none !important; }

.download-btn {
    width: 100%;
    background: linear-gradient(to right, var(--accent-purple), var(--accent-pink));
    color: #ffffff;
    font-weight: 700;
    font-size: 0.8rem;
    border: none;
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
}

.disabled { opacity: 0.4; pointer-events: none; }

footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-main);
    padding: 16px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
} */





:root {
    --bg-main: #020617;
    --bg-card: #0f172a;
    --bg-input: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --border-color: #334155;
    --error-red: #ef4444;
    --error-bg: #451a1a;
    --success-green: #10b981;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 16px 24px;
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { font-size: 1.25rem; font-weight: 800; }
.logo span { color: var(--accent-purple); }

.engine-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 4px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-green);
    border-radius: 50%;
}

main {
    flex: 1;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.hero-section { text-align: center; max-width: 600px; }
.hero-section h1 { font-size: 2.25rem; font-weight: 900; margin-bottom: 12px; background: linear-gradient(to right, #ffffff, #cbd5e1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-section p { color: var(--text-muted); font-size: 0.95rem; }

.workspace-card {
    width: 100%;
    max-width: 700px;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
}

.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    background-color: rgba(2, 6, 23, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
}

.drop-zone:hover { border-color: var(--accent-purple); background-color: rgba(2, 6, 23, 0.6); }
.drop-text-primary { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.drop-text-primary span { color: var(--accent-purple); }
.drop-text-secondary { font-size: 0.75rem; color: var(--text-muted); }

.inputs-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.url-box { display: flex; background-color: var(--bg-main); border: 1px solid var(--border-color); border-radius: 10px; padding: 4px; flex: 1; }
.url-box input { width: 100%; background: transparent; border: none; outline: none; padding: 8px 12px; color: var(--text-main); font-size: 0.8rem; }
.url-box button { background-color: var(--bg-card); border: 1px solid var(--border-color); color: #ffffff; border-radius: 6px; padding: 6px 16px; font-size: 0.75rem; font-weight: 600; cursor: pointer; }
.hint-box { display: flex; align-items: center; justify-content: center; background-color: rgba(30, 41, 59, 0.2); border: 1px solid rgba(51, 65, 85, 0.5); border-radius: 10px; font-size: 0.75rem; color: var(--text-muted); padding: 10px; }
.hint-box kbd { background-color: var(--bg-card); border: 1px solid var(--border-color); padding: 2px 6px; border-radius: 4px; margin: 0 4px; font-size: 0.7rem; color: var(--text-main); }

.status-badge { background-color: rgba(168, 85, 247, 0.1); border: 1px solid rgba(168, 85, 247, 0.3); border-radius: 12px; padding: 12px 20px; display: flex; align-items: center; gap: 12px; width: 100%; max-width: 450px; }
.status-text { font-size: 0.8rem; font-weight: 600; color: #e9d5ff; }

.preview-grid { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 16px; }
.preview-box { background-color: rgba(15, 23, 42, 0.3); border: 1px solid var(--border-color); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.preview-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(51, 65, 85, 0.4); padding-bottom: 8px; }
.preview-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--text-muted); }
.preview-title.accent { color: var(--accent-purple); }
.preview-spec { font-family: monospace; font-size: 0.65rem; background-color: var(--bg-card); padding: 2px 6px; border-radius: 4px; color: var(--text-muted); }

.image-viewport { background-color: #020617; border-radius: 10px; height: 280px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid rgba(0,0,0,0.5); }
.image-viewport.checkered { background-image: linear-gradient(45deg, #1e293b 25%, transparent 25%), linear-gradient(-45deg, #1e293b 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #1e293b 75%), linear-gradient(-45deg, transparent 75%, #1e293b 75%); background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; background-color: #0f172a; }
.image-viewport img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 8px; }

.error-card { width: 100%; max-width: 700px; background-color: var(--error-bg); border: 1px solid rgba(239, 68, 68, 0.3); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.error-header { display: flex; justify-content: space-between; align-items: center; }
.error-title { font-size: 0.875rem; font-weight: 700; text-transform: uppercase; color: #fca5a5; }
.error-desc { font-size: 0.85rem; color: #fde2e2; }
.error-trace { background-color: rgba(0, 0, 0, 0.4); padding: 12px; border-radius: 8px; font-family: monospace; font-size: 0.75rem; color: #f87171; overflow-x: auto; max-h: 100px; white-space: pre; }

.download-btn { width: 100%; background: linear-gradient(to right, var(--accent-purple), var(--accent-pink)); color: #ffffff; font-weight: 700; font-size: 0.8rem; border: none; border-radius: 12px; padding: 12px; cursor: pointer; text-align: center; text-decoration: none; display: block; }
.disabled { opacity: 0.4; pointer-events: none; }
.hidden { display: none !important; }
footer { border-top: 1px solid var(--border-color); background-color: var(--bg-main); padding: 16px; text-align: center; font-size: 0.7rem; color: var(--text-muted); margin-top: auto; }