.studio-page {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 15% 12%, rgba(110, 72, 255, .13), transparent 28rem),
        radial-gradient(circle at 87% 85%, rgba(40, 108, 255, .10), transparent 32rem),
        #07070b;
}

.studio-header {
    height: 72px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    padding: 0 28px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    background: rgba(7,7,11,.82);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 30;
}

.studio-header .brand { justify-self: start; }
.studio-header-center {
    display: flex;
    align-items: center;
    gap: 9px;
    color: rgba(255,255,255,.72);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .02em;
}
.workspace-dot,
.canvas-status span,
.success-dot,
.file-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #8c72ff;
    box-shadow: 0 0 14px rgba(140,114,255,.8);
}
.studio-home-link {
    justify-self: end;
    color: rgba(255,255,255,.62);
    font-size: 13px;
    transition: color .2s ease;
}
.studio-home-link:hover { color: #fff; }

.studio-shell {
    width: min(1580px, calc(100% - 40px));
    min-height: calc(100vh - 112px);
    margin: 20px auto;
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 18px;
}

.studio-panel {
    border: 1px solid rgba(255,255,255,.085);
    background: rgba(14,14,21,.76);
    box-shadow: 0 24px 80px rgba(0,0,0,.22);
    backdrop-filter: blur(18px);
    border-radius: 22px;
}

.studio-sidebar {
    padding: 25px;
    align-self: start;
    max-height: calc(100vh - 112px);
    overflow-y: auto;
}
.studio-sidebar::-webkit-scrollbar { width: 6px; }
.studio-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 999px; }

.panel-kicker {
    display: block;
    color: #9f8cff;
    text-transform: uppercase;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
    margin-bottom: 8px;
}
.panel-heading h1 {
    margin: 0 0 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 25px;
    letter-spacing: -.035em;
}
.panel-heading p {
    color: rgba(255,255,255,.55);
    font-size: 13px;
    line-height: 1.65;
    margin: 0;
}

.control-section {
    margin-top: 25px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,.075);
}
.control-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}
.control-title-row label { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.86); }
.control-title-row > span { color: rgba(255,255,255,.35); font-size: 9px; text-transform: uppercase; letter-spacing: .11em; }

.studio-dropzone {
    min-height: 142px;
    border: 1px dashed rgba(158,137,255,.33);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    cursor: pointer;
    background: rgba(113,83,255,.045);
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.studio-dropzone:hover,
.studio-dropzone.dragover {
    border-color: rgba(164,143,255,.78);
    background: rgba(113,83,255,.10);
    transform: translateY(-1px);
}
.upload-icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    margin-bottom: 10px;
    border-radius: 10px;
    color: #fff;
    font-size: 20px;
    background: linear-gradient(145deg, #704dff, #4b7cff);
    box-shadow: 0 8px 24px rgba(95,72,255,.25);
}
.studio-dropzone strong { font-size: 12px; margin-bottom: 5px; }
.studio-dropzone small { color: rgba(255,255,255,.38); font-size: 10px; }

.selected-file-row {
    margin-top: 9px;
    min-height: 38px;
    padding: 0 10px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.025);
}
.selected-file-row > span:nth-child(2) {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 10px;
    color: rgba(255,255,255,.65);
}
.selected-file-row button {
    appearance: none;
    border: 0;
    background: transparent;
    color: rgba(255,255,255,.38);
    font-size: 18px;
    cursor: pointer;
}

.style-picker { display: grid; gap: 8px; }
.style-option {
    width: 100%;
    min-height: 58px;
    padding: 8px 10px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.075);
    display: grid;
    grid-template-columns: 42px 1fr;
    align-items: center;
    gap: 10px;
    text-align: left;
    background: rgba(255,255,255,.025);
    color: #fff;
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease;
}
.style-option input { position: absolute; opacity: 0; pointer-events: none; }
.style-option.active {
    border-color: rgba(143,119,255,.56);
    background: rgba(105,77,255,.09);
}
.style-option.locked { opacity: .46; cursor: not-allowed; }
.style-swatch {
    height: 40px;
    border-radius: 9px;
    border: 1px solid rgba(255,255,255,.1);
}
.swatch-cartoon { background: linear-gradient(135deg, #835dff 0 50%, #2f75ff 50%); }
.swatch-anime { background: linear-gradient(135deg, #ff8ec7, #7f67ff); }
.swatch-pro { background: linear-gradient(135deg, #575c69, #17191f); }
.swatch-cyber { background: linear-gradient(135deg, #00d4ff, #8b32ff 55%, #ff2d8d); }
.style-option strong { display: block; font-size: 11px; margin-bottom: 3px; }
.style-option small { display: block; color: rgba(255,255,255,.38); font-size: 9px; }

.compact-controls { padding-bottom: 2px; }
.output-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.output-row > div {
    padding: 10px;
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 10px;
    background: rgba(255,255,255,.02);
}
.output-row strong, .output-row span { display: block; }
.output-row strong { font-size: 9px; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: .09em; margin-bottom: 4px; }
.output-row span { font-size: 11px; color: rgba(255,255,255,.78); }

.studio-message { min-height: 18px; margin: 12px 0 6px; color: #ff9aa9; font-size: 10px; }
.studio-generate-button {
    width: 100%;
    min-height: 48px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    font-weight: 800;
    font-size: 12px;
    background: linear-gradient(100deg, #704dff, #526dff);
    box-shadow: 0 12px 32px rgba(84,73,255,.22);
    cursor: pointer;
    transition: transform .2s ease, opacity .2s ease;
}
.studio-generate-button:not(:disabled):hover { transform: translateY(-1px); }
.studio-generate-button:disabled { opacity: .38; cursor: not-allowed; box-shadow: none; }
.button-loader {
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255,255,255,.35);
    border-top-color: white;
    border-radius: 50%;
    display: none;
    animation: spin .8s linear infinite;
}
.studio-generate-button.loading .button-label { display: none; }
.studio-generate-button.loading .button-loader { display: inline-block; }
.privacy-note { color: rgba(255,255,255,.28); font-size: 9px; line-height: 1.55; text-align: center; margin: 10px 4px 0; }

.studio-canvas {
    min-width: 0;
    min-height: calc(100vh - 112px);
    padding: 18px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
}
.canvas-toolbar {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 5px 14px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.canvas-toolbar strong { display: block; font-size: 13px; }
.canvas-toolbar .panel-kicker { margin-bottom: 4px; }
.canvas-status {
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,.47);
    font-size: 10px;
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.07);
    background: rgba(255,255,255,.025);
}
.canvas-status.processing span { background: #ffc55c; box-shadow: 0 0 14px rgba(255,197,92,.65); }
.canvas-status.complete span { background: #50e7a4; box-shadow: 0 0 14px rgba(80,231,164,.65); }

.canvas-stage {
    min-height: 530px;
    padding: 26px 4px;
    display: grid;
    place-items: center;
}
.empty-state {
    width: min(430px, 90%);
    text-align: center;
}
.empty-visual {
    width: 180px;
    height: 180px;
    margin: 0 auto 30px;
    position: relative;
    display: grid;
    place-items: center;
}
.empty-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(145,124,255,.16); }
.ring-a { inset: 0; animation: rotate 16s linear infinite; border-right-color: rgba(145,124,255,.65); }
.ring-b { inset: 25px; animation: rotate 12s linear infinite reverse; border-left-color: rgba(65,116,255,.65); }
.empty-avatar {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    display: grid;
    place-items: center;
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(145deg, rgba(117,82,255,.95), rgba(60,110,255,.82));
    box-shadow: 0 20px 60px rgba(92,69,255,.28);
}
.empty-state h2 { margin: 0 0 10px; font-family: 'Manrope', sans-serif; font-size: clamp(23px, 3vw, 34px); letter-spacing: -.04em; }
.empty-state p { margin: 0 auto; max-width: 400px; color: rgba(255,255,255,.42); font-size: 12px; line-height: 1.7; }

.comparison-view {
    width: 100%;
    height: 100%;
    min-height: 500px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.preview-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.075);
    border-radius: 16px;
    background: rgba(255,255,255,.02);
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
}
.result-card { border-color: rgba(128,103,255,.20); }
.preview-card-header {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 0 14px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 10px;
    font-weight: 700;
}
.preview-badge {
    color: #bfb1ff;
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 5px 7px;
    border: 1px solid rgba(143,119,255,.20);
    border-radius: 999px;
    background: rgba(121,92,255,.07);
}
.preview-badge.neutral { color: rgba(255,255,255,.42); border-color: rgba(255,255,255,.08); background: rgba(255,255,255,.025); }
.preview-image-wrap {
    min-height: 450px;
    position: relative;
    display: grid;
    place-items: center;
    padding: 14px;
    overflow: hidden;
    background:
        linear-gradient(45deg, rgba(255,255,255,.012) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,.012) 25%, transparent 25%);
    background-size: 22px 22px;
}
.preview-image-wrap img {
    width: 100%;
    height: 100%;
    max-height: 650px;
    object-fit: contain;
    border-radius: 10px;
}
.result-wrap { background: radial-gradient(circle at center, rgba(103,73,255,.07), rgba(255,255,255,.01) 55%); }
.generation-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    background: rgba(10,10,16,.86);
    backdrop-filter: blur(14px);
}
.generation-overlay strong { font-size: 12px; }
.generation-overlay span { color: rgba(255,255,255,.38); font-size: 9px; }
.forge-spinner {
    width: 35px;
    height: 35px;
    margin-bottom: 8px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.09);
    border-top-color: #8f77ff;
    border-right-color: #5277ff;
    animation: spin .8s linear infinite;
}

.result-actions {
    min-height: 74px;
    padding: 14px 5px 0;
    border-top: 1px solid rgba(255,255,255,.07);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.result-meta { display: flex; align-items: center; gap: 10px; }
.success-dot { background: #50e7a4; box-shadow: 0 0 14px rgba(80,231,164,.65); }
.result-meta strong, .result-meta small { display: block; }
.result-meta strong { font-size: 10px; margin-bottom: 3px; }
.result-meta small { color: rgba(255,255,255,.35); font-size: 8px; }
.result-buttons { display: flex; gap: 8px; }
.secondary-action, .primary-action {
    min-height: 38px;
    padding: 0 14px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}
.secondary-action { color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.10); background: rgba(255,255,255,.025); }
.primary-action { color: #fff; border: 1px solid rgba(142,120,255,.26); background: linear-gradient(100deg, #704dff, #526dff); }

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

@media (max-width: 980px) {
    .studio-header { grid-template-columns: 1fr auto; padding: 0 18px; }
    .studio-header-center { display: none; }
    .studio-shell { width: min(100% - 24px, 900px); grid-template-columns: 1fr; }
    .studio-sidebar { max-height: none; }
    .studio-canvas { min-height: 720px; }
}

@media (max-width: 680px) {
    .studio-header { height: 64px; }
    .studio-header .brand-name { display: none; }
    .studio-home-link { font-size: 11px; }
    .studio-shell { width: min(100% - 16px, 600px); margin: 8px auto 16px; gap: 8px; }
    .studio-panel { border-radius: 16px; }
    .studio-sidebar { padding: 18px; }
    .comparison-view { grid-template-columns: 1fr; min-height: auto; }
    .preview-image-wrap { min-height: 340px; }
    .studio-canvas { padding: 12px; min-height: auto; }
    .canvas-stage { min-height: 440px; padding: 18px 0; }
    .result-actions { align-items: stretch; flex-direction: column; }
    .result-buttons { width: 100%; }
    .result-buttons > * { flex: 1; }
}

/* Step 4 — multi-style engine controls */
.style-grid {
    grid-template-columns: 1fr 1fr;
}
.style-grid .style-option {
    min-height: 76px;
    grid-template-columns: 38px minmax(0, 1fr);
    padding: 9px;
}
.style-grid .style-swatch { height: 46px; }
.swatch-sketch { background: linear-gradient(135deg, #f1f1ef, #777b83); }
.swatch-comic { background: linear-gradient(135deg, #ffdc5d 0 42%, #e74c65 42% 68%, #172138 68%); }
.swatch-portrait { background: linear-gradient(135deg, #b77d70, #e7b9a9 45%, #66537d); }
.swatch-gray { background: linear-gradient(135deg, #eeeeee, #8a8a8a 48%, #1d1d1f); }
.swatch-edge { background: linear-gradient(135deg, #15ddc2, #4f74ff 48%, #fb4ea3); }

.range-control {
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 12px;
    padding: 14px 12px 10px;
    background: rgba(255,255,255,.02);
}
.range-control input[type="range"] {
    width: 100%;
    accent-color: #7c64ff;
    cursor: pointer;
}
.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
    color: rgba(255,255,255,.34);
    font-size: 9px;
}

@media (max-width: 1250px) {
    .style-grid { grid-template-columns: 1fr; }
}

/* Step 7 — authenticated workspace navigation */
.studio-account-nav { display:flex; align-items:center; justify-content:flex-end; gap:10px; }
.studio-account-nav form { margin:0; }
.studio-signout { border:0; background:none; color:rgba(255,255,255,.42); font:inherit; font-size:10px; cursor:pointer; padding:8px; }
.studio-account-button { min-height:34px; padding:0 12px; border-radius:9px; display:inline-flex; align-items:center; color:#fff; font-size:10px; font-weight:700; background:rgba(111,82,255,.16); border:1px solid rgba(126,101,255,.22); }
.privacy-note a { color:#9d8aff; text-decoration:underline; text-underline-offset:2px; }
@media(max-width:680px){.studio-account-button{display:none}.studio-signout{padding-right:0}}

.mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.mode-toggle label{border:1px solid rgba(255,255,255,.12);padding:10px 12px;border-radius:12px;cursor:pointer}.prompt-field{display:block;margin:8px 0}.control-section textarea{width:100%;box-sizing:border-box;min-height:82px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:inherit;padding:12px;resize:vertical}