:root {
    --bg-1: #05070d;
    --bg-2: #0d1221;
    --bg-3: #181a2f;
    --panel: rgba(16, 21, 36, 0.88);
    --panel-soft: rgba(25, 30, 50, 0.72);
    --line: rgba(255,255,255,0.09);
    --line-strong: rgba(255,255,255,0.16);
    --text: #f3f7ff;
    --muted: #a8b2cd;
    --accent: #6de0d3;
    --accent-2: #b676ff;
    --accent-3: #36a3ff;
    --danger: #ff7676;
    --shadow: 0 20px 60px rgba(0,0,0,.34);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --guide: #ff9155;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(182,118,255,.17), transparent 28%),
        radial-gradient(circle at top right, rgba(54,163,255,.16), transparent 23%),
        radial-gradient(circle at bottom left, rgba(109,224,211,.1), transparent 25%),
        linear-gradient(160deg, var(--bg-1), var(--bg-2) 48%, var(--bg-3));
    min-height: 100vh;
}
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 20%, rgba(109,224,211,.06), transparent 35%);
    filter: blur(10px);
    pointer-events: none;
    animation: breathe 7s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { opacity: .6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.04); }
}

button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1200;
    backdrop-filter: blur(16px);
    background: rgba(5, 7, 13, 0.82);
    border-bottom: 1px solid var(--line);
}

.top-brand-line,
.sticky-nav,
.app-shell,
.site-footer {
    width: min(1460px, calc(100% - 28px));
    margin: 0 auto;
}

.top-brand-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

.brand-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.brand-logo {
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: .02em;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    text-shadow: 0 0 20px rgba(109,224,211,.18);
}
.brand-main { color: #edf3ff; }
.brand-accent {
    background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: drop-shadow(0 0 12px rgba(182,118,255,.35));
}
.brand-tagline {
    margin: 0;
    color: var(--muted);
    max-width: 560px;
    font-size: 14px;
}

.language-switcher { display: flex; gap: 10px; }
.lang-btn,
.secondary-btn,
.primary-btn,
.chip-btn,
.json-upload {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    color: var(--text);
    border-radius: 999px;
    cursor: pointer;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.lang-btn:hover,
.secondary-btn:hover,
.primary-btn:hover,
.chip-btn:hover,
.json-upload:hover {
    transform: translateY(-1px);
    border-color: var(--line-strong);
}
.lang-btn {
    min-width: 54px;
    padding: 10px 14px;
    font-weight: 700;
}
.lang-btn.is-active,
.chip-btn.is-accent {
    background: linear-gradient(90deg, rgba(109,224,211,.18), rgba(182,118,255,.18));
    border-color: rgba(109,224,211,.45);
}

.sticky-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 0 16px;
}
.sticky-nav a {
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    color: var(--muted);
}
.sticky-nav a:hover {
    color: var(--text);
    border-color: rgba(109,224,211,.35);
}

.app-shell {
    padding: 34px 0 56px;
    position: relative;
}

.glass-panel {
    background: linear-gradient(180deg, rgba(18, 24, 40, .88), rgba(13, 18, 33, .78));
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero-panel {
    padding: 30px;
    margin-bottom: 20px;
}
.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: .16em;
    color: var(--accent);
    font-weight: 800;
    font-size: 13px;
}
.hero-panel h1,
.section-head h2 {
    margin: 0;
    line-height: 1.05;
}
.hero-panel h1 {
    font-size: clamp(34px, 4.1vw, 62px);
    max-width: 1100px;
}
.lead {
    margin: 14px 0 0;
    max-width: 920px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.65;
}
.small-lead { max-width: 840px; }

.workspace-grid {
    display: grid;
    grid-template-columns: 420px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}
.wizard-panel,
.preview-panel,
.info-panel { padding: 22px; }

.step-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 18px;
}
.step-tab {
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.04);
    color: var(--muted);
    font-weight: 700;
    cursor: pointer;
}
.step-tab.is-active {
    color: var(--text);
    background: linear-gradient(135deg, rgba(109,224,211,.15), rgba(182,118,255,.13));
    border-color: rgba(109,224,211,.35);
    box-shadow: 0 10px 24px rgba(109,224,211,.06);
}

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.panel-section {
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
}
.compact-section { display: grid; gap: 12px; }
.panel-section h2,
.panel-section h3,
.preview-head h2,
.info-panel h2 { margin: 0; }
.panel-section label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
}
.panel-section input[type="number"],
.panel-section input[type="file"],
.panel-section input[type="color"],
.panel-section select,
.layer-card input[type="number"],
.layer-card select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255,255,255,.04);
    color: var(--text);
    padding: 11px 12px;
}
.panel-section input[type="file"] { padding: 12px; }
input[type="color"] { min-height: 46px; padding: 4px; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.inline-check {
    display: flex !important;
    align-items: center;
    gap: 10px;
}
.inline-check input { width: auto; }
.help {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}
.primary-btn,
.secondary-btn,
.json-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    font-weight: 700;
}
.primary-btn {
    border-color: rgba(109,224,211,.4);
    background: linear-gradient(90deg, rgba(109,224,211,.18), rgba(54,163,255,.18));
}
.secondary-btn,
.json-upload { background: rgba(255,255,255,.04); }
.small-btn { padding: 10px 12px; }
.json-upload input { display: none; }

.zoom-row,
.zoom-meta,
.project-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.zoom-row input { flex: 1; }
.zoom-meta { justify-content: space-between; color: var(--muted); font-weight: 700; }
.project-actions { flex-wrap: wrap; }

.preview-head { margin-bottom: 16px; }
.stage-scroll {
    position: relative;
    min-height: 560px;
    overflow: auto;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.02);
    padding: 16px;
}
.stage {
    width: 1600px;
    height: 1000px;
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    border: 2px dashed rgba(255,255,255,.16);
    transform-origin: top left;
    background:
        linear-gradient(45deg, rgba(255,255,255,.06) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,.06) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,.06) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.06) 75%);
    background-size: 28px 28px;
    background-position: 0 0, 0 14px, 14px -14px, -14px 0;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
}
.stage.has-solid-bg {
    background: rgba(255,255,255,.03);
}
.stage-bg-color {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0;
    transition: opacity .18s ease;
}
.stage-bg-color.is-visible { opacity: 1; }
.layer {
    position: absolute;
    user-select: none;
    cursor: move;
    outline: 2px solid rgba(109,224,211,.28);
    border-radius: 12px;
    z-index: 10;
}
.layer.is-locked {
    outline-color: rgba(182,118,255,.3);
}
.layer-content {
    position: absolute;
    left: 50%;
    top: 50%;
    overflow: hidden;
    transform-origin: center center;
    pointer-events: none;
}
.layer img {
    position: absolute;
    object-fit: fill;
    display: block;
    pointer-events: none;
}
.layer-badge,
.locked-badge {
    position: absolute;
    height: 28px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    pointer-events: none;
}
.layer-badge {
    left: 8px;
    top: 8px;
    min-width: 28px;
    padding: 0 8px;
    background: rgba(9, 14, 25, .88);
    border: 1px solid rgba(109,224,211,.36);
}
.locked-badge {
    right: 8px;
    top: 8px;
    padding: 0 10px;
    background: rgba(182,118,255,.18);
    border: 1px solid rgba(182,118,255,.32);
    opacity: 0;
}
.locked-badge.is-visible { opacity: 1; }
.resize-handle,
.rotate-handle {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 0 2px rgba(9,14,25,.75);
}
.resize-handle {
    right: -10px;
    bottom: -10px;
    cursor: nwse-resize;
}
.rotate-handle {
    left: 50%;
    top: -30px;
    margin-left: -10px;
    cursor: grab;
}
.layer.is-locked .resize-handle,
.layer.is-locked .rotate-handle { opacity: .45; }

.guide {
    position: absolute;
    z-index: 9999;
    display: none;
    pointer-events: none;
    background: var(--guide);
    box-shadow: 0 0 0 1px rgba(255,255,255,.9);
}
.guide.is-visible { display: block; }
.guide-v { top: 0; width: 2px; height: 100%; }
.guide-h { left: 0; width: 100%; height: 2px; }

.layer-card {
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 15px;
    margin-bottom: 14px;
    background: rgba(255,255,255,.03);
}
.layer-card.is-locked {
    border-color: rgba(182,118,255,.26);
    box-shadow: inset 0 0 0 1px rgba(182,118,255,.06);
}
.layer-card-header,
.layer-actions {
    display: flex;
    gap: 10px;
    justify-content: space-between;
    align-items: flex-start;
}
.layer-card strong { display: block; word-break: break-word; }
.layer-meta { color: var(--muted); font-size: 12px; margin-top: 4px; }
.layer-actions { flex-wrap: wrap; }
.layer-actions-top,
.layer-actions-secondary { margin: 10px 0; }
.compact-actions { justify-content: flex-end; }
.chip-btn {
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.2;
}
.layer-card label {
    display: grid;
    grid-template-columns: 88px 1fr 50px;
    align-items: center;
    gap: 10px;
    margin: 8px 0;
    color: var(--muted);
    font-size: 14px;
}
.field-grid,
.crop-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 10px 0;
}
.field-grid label,
.crop-grid label {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    align-items: start;
}
.crop-title {
    margin-top: 12px;
    font-size: 12px;
    color: var(--muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}

#result {
    margin-top: 10px;
    color: var(--muted);
}
#result a {
    color: var(--accent);
    font-weight: 700;
}
.error { color: var(--danger); }
.is-hidden { display: none !important; }

.info-panel { margin-top: 20px; }
.section-head { margin-bottom: 18px; }
.info-grid,
.pricing-grid,
.contact-grid {
    display: grid;
    gap: 16px;
}
.info-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.pricing-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.contact-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.info-card,
.faq-card,
.pricing-card,
.contact-card {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255,255,255,.03);
}
.info-card p,
.faq-card p,
.contact-card p,
.pricing-card li {
    color: var(--muted);
    line-height: 1.65;
}
.faq-list {
    display: grid;
    gap: 14px;
}
.faq-card h3,
.info-card h3,
.pricing-card h3,
.contact-card h3 { margin-top: 0; }
.pricing-card.featured {
    border-color: rgba(109,224,211,.42);
    box-shadow: 0 12px 30px rgba(109,224,211,.08);
}
.price-badge {
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(109,224,211,.14);
    border: 1px solid rgba(109,224,211,.26);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}
.price-value {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}
.pricing-card ul {
    padding-left: 18px;
    margin: 0;
}
.site-footer {
    padding: 0 0 30px;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 1100px) {
    .workspace-grid { grid-template-columns: 1fr; }
    .stage-scroll { min-height: 460px; }
}

@media (max-width: 760px) {
    .top-brand-line,
    .brand-wrap,
    .sticky-nav,
    .zoom-row,
    .zoom-meta,
    .project-actions,
    .layer-card-header,
    .layer-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .step-tabs { grid-template-columns: 1fr; }
    .field-grid,
    .crop-grid { grid-template-columns: 1fr; }
    .layer-card label { grid-template-columns: 1fr; }
    .hero-panel,
    .wizard-panel,
    .preview-panel,
    .info-panel { padding: 16px; }
    .app-shell,
    .top-brand-line,
    .sticky-nav,
    .site-footer { width: min(100%, calc(100% - 18px)); }
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,.05);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}
.user-chip strong { color: var(--text); }
.user-chip.is-guest { border-color: rgba(255,255,255,.08); }
.flash-message {
    margin: 0 0 20px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(109,224,211,.24);
    background: rgba(109,224,211,.08);
    color: var(--text);
}
.preview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 16px;
    align-items: start;
}
.glass-subpanel {
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 16px;
}
.layer-sidebar {
    max-height: 760px;
    overflow: hidden;
    position: sticky;
    top: 10px;
}
.layer-sidebar-head { margin-bottom: 12px; }
.layer-sidebar-head h3 { margin: 0 0 8px; }
.layer-sidebar-list {
    display: grid;
    gap: 10px;
    max-height: 660px;
    overflow: auto;
    padding-right: 4px;
}
.thumb-card {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    color: var(--text);
    text-align: left;
    cursor: pointer;
}
.thumb-card.is-active {
    border-color: rgba(109,224,211,.42);
    box-shadow: 0 0 0 1px rgba(109,224,211,.18), 0 12px 24px rgba(109,224,211,.08);
}
.thumb-card.is-locked {
    border-color: rgba(182,118,255,.25);
}
.thumb-preview {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    overflow: hidden;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
}
.thumb-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.thumb-content {
    display: grid;
    gap: 6px;
    min-width: 0;
}
.thumb-content strong,
.saved-project-main strong {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.thumb-content span,
.saved-project-main span,
.empty-sidebar,
.saved-project-empty {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}
.empty-sidebar,
.saved-project-empty {
    padding: 14px;
    border-radius: 16px;
    background: rgba(255,255,255,.03);
    border: 1px dashed var(--line);
}
.layer.is-selected {
    outline: 3px solid rgba(109,224,211,.58);
    box-shadow: 0 0 0 4px rgba(109,224,211,.12);
}
.layer-card.is-selected {
    border-color: rgba(109,224,211,.38);
    box-shadow: 0 0 0 1px rgba(109,224,211,.14);
}
.account-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.auth-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.auth-form {
    display: grid;
    gap: 10px;
    padding: 16px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
}
.auth-form h4 { margin: 0; }
.saved-projects-list {
    display: grid;
    gap: 12px;
}
.saved-project-card {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
}
.saved-project-main {
    display: grid;
    gap: 4px;
    min-width: 0;
}
.saved-project-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

@media (max-width: 1280px) {
    .preview-grid { grid-template-columns: 1fr; }
    .layer-sidebar { position: static; max-height: none; }
    .layer-sidebar-list { max-height: none; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}

@media (max-width: 760px) {
    .auth-grid { grid-template-columns: 1fr; }
    .saved-project-card,
    .header-tools,
    .account-row {
        flex-direction: column;
        align-items: stretch;
    }
    .thumb-card { grid-template-columns: 64px minmax(0, 1fr); }
    .thumb-preview { width: 64px; height: 64px; }
}

.single-column {
    grid-template-columns: 1fr;
}
.warning-panel {
    border-color: rgba(255, 196, 84, .25);
    background: linear-gradient(180deg, rgba(255, 196, 84, .08), rgba(255,255,255,.03));
}
.inline-form { display: inline-flex; }
.admin-panel {
    border-color: rgba(54,163,255,.18);
}
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}
.stat-card {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.03);
    display: grid;
    gap: 8px;
}
.stat-card span {
    color: var(--muted);
    font-size: 13px;
}
.stat-card strong {
    font-size: 28px;
}
.admin-table-wrap {
    overflow: auto;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.02);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 860px;
}
.admin-table th,
.admin-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    text-align: left;
    vertical-align: top;
}
.admin-table th {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.admin-actions-cell {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.status-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.05);
    font-size: 12px;
    font-weight: 700;
}
.status-chip.is-verified {
    border-color: rgba(109,224,211,.28);
    color: var(--accent);
}
.status-chip.is-pending {
    border-color: rgba(255,196,84,.28);
    color: #ffd47e;
}
.role-chip.is-role-admin {
    border-color: rgba(182,118,255,.28);
    color: #d9b5ff;
}

.profile-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.profile-form-grid label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-size: 14px;
}
.profile-wide { grid-column: 1 / -1; }
.saved-project-thumb {
    width: 86px;
    height: 56px;
    border-radius: 14px;
    overflow: hidden;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.04);
}
.saved-project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.saved-project-thumb.is-empty::after {
    content: 'HDR';
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
}
@media (max-width: 760px) {
    .profile-form-grid { grid-template-columns: 1fr; }
}