/* Mold Studio — Apple-inspired Liquid Glass layer (loads after theme.css) */

:root {
    --glass-blur: 44px;
    --glass-blur-sm: 28px;
    --glass-saturate: 185%;
    --radius-glass: 22px;
    --radius-glass-sm: 16px;
    --radius-glass-pill: 999px;
}

[data-theme="light"] {
    --glass-bg: rgba(255, 255, 255, 0.52);
    --glass-bg-strong: rgba(255, 255, 255, 0.68);
    --glass-bg-subtle: rgba(255, 255, 255, 0.34);
    --glass-border: rgba(255, 255, 255, 0.72);
    --glass-border-outer: rgba(0, 0, 0, 0.07);
    --glass-specular: inset 0 1px 0 rgba(255, 255, 255, 0.92), inset 0 -1px 0 rgba(255, 255, 255, 0.25);
    --glass-shadow:
        0 0 0 0.5px rgba(0, 0, 0, 0.04),
        0 4px 16px rgba(0, 0, 0, 0.05),
        0 18px 48px rgba(0, 0, 0, 0.07);
    --glass-shadow-lg:
        0 0 0 0.5px rgba(0, 0, 0, 0.05),
        0 8px 28px rgba(0, 0, 0, 0.08),
        0 32px 64px rgba(0, 0, 0, 0.1);
    --ambient-a: rgba(160, 160, 170, 0.35);
    --ambient-b: rgba(200, 200, 210, 0.28);
    --ambient-c: rgba(140, 140, 150, 0.22);
}

[data-theme="dark"] {
    --glass-bg: rgba(36, 36, 40, 0.55);
    --glass-bg-strong: rgba(44, 44, 48, 0.72);
    --glass-bg-subtle: rgba(28, 28, 32, 0.42);
    --glass-border: rgba(255, 255, 255, 0.14);
    --glass-border-outer: rgba(255, 255, 255, 0.06);
    --glass-specular: inset 0 1px 0 rgba(255, 255, 255, 0.16), inset 0 -1px 0 rgba(0, 0, 0, 0.2);
    --glass-shadow:
        0 0 0 0.5px rgba(255, 255, 255, 0.05),
        0 4px 20px rgba(0, 0, 0, 0.35),
        0 16px 40px rgba(0, 0, 0, 0.45);
    --glass-shadow-lg:
        0 0 0 0.5px rgba(255, 255, 255, 0.06),
        0 8px 32px rgba(0, 0, 0, 0.45),
        0 28px 56px rgba(0, 0, 0, 0.55);
    --ambient-a: rgba(80, 80, 90, 0.45);
    --ambient-b: rgba(60, 60, 68, 0.38);
    --ambient-c: rgba(100, 100, 110, 0.28);
}

/* Remap theme surfaces → glass */
:root {
    --bg-panel: var(--glass-bg-strong);
    --bg-card: var(--glass-bg);
    --bg-card-hover: color-mix(in srgb, var(--glass-bg-strong) 88%, var(--text-primary) 12%);
    --bg-muted: var(--glass-bg-subtle);
    --border-color: var(--glass-border-outer);
    --border-hover: color-mix(in srgb, var(--glass-border-outer) 50%, var(--text-primary) 50%);
    --viewer-chrome: var(--glass-bg-strong);
    --input-bg: color-mix(in srgb, var(--glass-bg) 75%, transparent);
    --viewer-bg: transparent;
    --paper: var(--glass-bg-strong);
    --paper-2: var(--glass-bg-subtle);
    --bg: var(--glass-bg-subtle);
    --surface: var(--glass-bg-strong);
    --shadow: rgba(0, 0, 0, 0.12);
}

/* Ambient mesh behind UI */
body {
    background-color: var(--bg-primary) !important;
    background-image:
        radial-gradient(ellipse 90% 70% at 8% 12%, var(--ambient-a) 0%, transparent 55%),
        radial-gradient(ellipse 75% 60% at 92% 18%, var(--ambient-b) 0%, transparent 52%),
        radial-gradient(ellipse 65% 55% at 50% 95%, var(--ambient-c) 0%, transparent 50%),
        radial-gradient(ellipse 100% 100% at 50% 50%, var(--bg-gradient-end) 0%, var(--bg-primary) 100%) !important;
    background-attachment: fixed;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
    background-image:
        linear-gradient(color-mix(in srgb, var(--text-primary) 3%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--text-primary) 3%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 85% 75% at 50% 35%, #000 15%, transparent 72%);
}

.app-wrap,
.main-container,
.page-content,
.dashboard.show,
.gate,
.sheet {
    position: relative;
    z-index: 1;
}

/* Glass surface mixin via class + common components */
.glass,
.left-panel-surface,
.card,
.upload-zone,
.sample-demo,
.viewer-download-cta,
.viewer-tips-header,
.tip-card,
.feature-popup-card,
.brevo-popup-panel,
.no-download-feedback-panel,
.backend-error-wrap,
.step-card,
.feature-card,
.audience-card,
.faq-item,
.site-header,
.coming-soon-card,
.gate,
.analytics .card,
.conversion-card,
.reasons-card,
.table-wrap,
.titleblock,
.ops,
.op,
.file-drop,
.spinner span {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border-outer) !important;
    box-shadow: var(--glass-specular), var(--glass-shadow) !important;
}

.left-panel-surface {
    border-radius: 0 var(--radius-glass) var(--radius-glass) 0 !important;
    border-left: none !important;
}

.card,
.upload-zone,
.sample-demo,
.feature-popup-card,
.brevo-popup-panel,
.no-download-feedback-panel,
.step-card,
.feature-card,
.audience-card,
.faq-item,
.gate,
.analytics .card,
.conversion-card,
.reasons-card,
.coming-soon-card {
    border-radius: var(--radius-glass) !important;
}

#viewer {
    /* No backdrop-filter here — blur over WebGL tanks FPS / orbit feel */
    background: var(--glass-bg-subtle) !important;
    border: 1px solid var(--glass-border-outer) !important;
    box-shadow: var(--glass-specular), var(--glass-shadow-lg) !important;
    border-radius: var(--radius-glass) !important;
}

.viewer-area {
    background: transparent !important;
}

.viewer-mold-shape-control,
.viewer-explode-control,
.viewer-generate-cta,
.viewer-feedback-chip {
    border-radius: var(--radius-glass-pill) !important;
    background: var(--glass-bg-strong) !important;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
}

.viewer-orient-ball-shell,
.viewer-orient-ball-actions button {
    background: var(--glass-bg-strong) !important;
    border: 1px solid var(--glass-border-outer) !important;
    box-shadow: var(--glass-shadow) !important;
}

.viewer-download-cta {
    border-radius: 14px !important;
    background: var(--glass-bg-strong) !important;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    padding: 12px 14px !important;
    overflow: visible;
}

.viewer-download-cta-label,
.viewer-silicone-info {
    color: var(--text-primary) !important;
}

.viewer-silicone-info {
    color: var(--text-secondary) !important;
    opacity: 1 !important;
}

/* Inputs & controls */
.setting-field input,
.setting-field select,
.upload-zone .btn,
.btn-primary,
.btn-secondary,
.viewer-generate-btn,
.viewer-download-btn,
.theme-toggle,
.sample-demo-cta,
.header-cta,
.gate input,
.gate button,
.header-row button,
input[type="number"],
.btn,
.btn-run {
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.setting-field input,
.setting-field select,
.gate input,
input[type="number"] {
    background: var(--glass-bg-strong) !important;
    border: 1px solid var(--glass-border-outer) !important;
    border-radius: var(--radius-glass-sm) !important;
    box-shadow: var(--glass-specular) !important;
}

.theme-toggle,
.sample-demo-cta,
.btn-secondary,
.app-topnav-home {
    background: var(--glass-bg) !important;
    border: 1px solid var(--glass-border-outer) !important;
    border-radius: var(--radius-glass-sm) !important;
    box-shadow: var(--glass-specular) !important;
}

.btn-primary,
.upload-zone .btn,
.viewer-generate-btn,
.viewer-download-btn,
.header-cta,
.gate button {
    border-radius: var(--radius-glass-sm) !important;
    box-shadow: var(--glass-specular), 0 6px 20px color-mix(in srgb, var(--accent) 25%, transparent) !important;
}

.viewer-mold-shape-btn.active {
    box-shadow: var(--glass-specular), 0 4px 16px color-mix(in srgb, var(--accent) 30%, transparent) !important;
}

/* Landing header — floating glass bar */
.site-header {
    margin-top: 12px;
    margin-bottom: 8px;
    padding: 14px 22px !important;
    border-radius: var(--radius-glass-pill) !important;
    max-width: min(1100px, calc(100% - 32px));
}

/* Lab — glass panels, keep sharp inner ops */
.titleblock {
    border-bottom: 1px solid var(--glass-border-outer) !important;
    border-radius: 0 !important;
    box-shadow: var(--glass-shadow) !important;
}

.ops {
    border-right: 1px solid var(--glass-border-outer) !important;
}

.op {
    border-bottom: 1px solid color-mix(in srgb, var(--glass-border-outer) 60%, transparent) !important;
    background: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none;
}

.file-drop {
    border-radius: var(--radius-glass-sm) !important;
    border-style: dashed !important;
}

.stage {
    background: transparent !important;
}

/* Popups overlay */
.brevo-popup,
.no-download-feedback {
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
}

/* Landing orbs — softer under glass layers */
.bg-animation {
    opacity: 0.5;
}

.message {
    background: var(--glass-bg-strong) !important;
    backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-border-outer) !important;
    box-shadow: var(--glass-specular), var(--glass-shadow-lg) !important;
}

/* Tables inside glass */
.table-wrap th {
    background: var(--glass-bg-subtle) !important;
}

.reason-row {
    background: var(--glass-bg-subtle) !important;
    border: 1px solid color-mix(in srgb, var(--glass-border-outer) 50%, transparent);
}

@media (max-width: 1024px) {
    .left-panel-surface {
        border-radius: 0 0 var(--radius-glass) var(--radius-glass) !important;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .card,
    .upload-zone,
    .step-card,
    .feature-card,
    .viewer-mold-shape-control {
        transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
    }
    .card:hover,
    .step-card:hover,
    .feature-card:hover {
        box-shadow: var(--glass-specular), var(--glass-shadow-lg) !important;
    }
}