/* Canonical visual values for the shared Web / Capacitor interface.
 * Consumer styles use semantic roles; legacy aliases are wired in style.css.
 * Change these values together with docs/ui-design-system.md and the UI kit. */
:root {
    --ui-font-sans: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, 'PingFang SC', sans-serif;
    --ui-font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
    --ui-font-brand: Georgia, 'Times New Roman', serif;
    --ui-font-icons: 'Font Awesome 6 Free';
    --ui-text-scale: 1;
    --ui-type-page-title: calc(1.125rem * var(--ui-text-scale));
    --ui-type-feature-title: calc(1.25rem * var(--ui-text-scale));
    --ui-type-section-title: calc(0.9375rem * var(--ui-text-scale));
    --ui-type-body: calc(0.875rem * var(--ui-text-scale));
    --ui-type-reading: calc(1rem * var(--ui-text-scale));
    --ui-type-item: calc(0.8125rem * var(--ui-text-scale));
    --ui-type-support: calc(0.75rem * var(--ui-text-scale));
    --ui-type-input: calc(1rem * var(--ui-text-scale));
    --ui-type-display: calc(2rem * var(--ui-text-scale));
    --ui-type-symbol: calc(1.6875rem * var(--ui-text-scale));
    --ui-type-home-action: calc(0.75rem * var(--ui-text-scale));
    --ui-type-home-action-icon: calc(0.6875rem * var(--ui-text-scale));
    --ui-type-control-icon: calc(1.125rem * var(--ui-text-scale));
    --ui-line-heading: 1.4;
    --ui-line-body: 1.6;
    --ui-line-reading: 1.65;
    --ui-line-support: 1.5;
    --ui-weight-regular: 400;
    --ui-weight-medium: 500;
    --ui-weight-semibold: 600;
    --ui-weight-strong: 700;
    --ui-weight-heavy: 900;
    --ui-space-0: 0;
    --ui-space-1: 4px;
    --ui-space-2: 8px;
    --ui-space-3: 12px;
    --ui-space-4: 16px;
    --ui-space-5: 20px;
    --ui-space-6: 24px;
    --ui-space-8: 32px;
    --ui-page-gutter: var(--ui-space-4);
    --ui-section-gap: var(--ui-space-6);
    --ui-radius-small: 8px;
    --ui-radius-medium: 12px;
    --ui-radius-large: 16px;
    --ui-radius-pill: 999px;
    --ui-border-width: 1px;
    --ui-focus-width: 2px;
    --ui-focus-offset: 3px;
    --ui-control-height: 44px;
    --ui-control-height-large: 50px;
    --ui-spinner-size: 32px;
    --ui-spinner-stroke: 3px;
    --ui-home-action-width: 158px;
    --ui-home-action-gap: 10px;
    --ui-home-action-inset-start: 18px;
    --ui-home-action-inset-end: 7px;
    --ui-home-action-icon-size: 25px;
    --ui-home-action-icon-offset: 4px;
    --ui-header-height: 56px;
    --ui-bottom-nav-height: 60px;
    --ui-content-width: 480px;
    --ui-dialog-width: 520px;
    --ui-textarea-height: 132px;
    --ui-opacity-disabled: 0.55;
    --ui-motion-fast: 0.2s;
    --ui-motion-reply-breathe: 1.8s;

    --ui-color-brand: #ff4f86;
    --ui-color-brand-secondary: #c16cff;
    --ui-color-brand-accent: #7b61ff;
    --ui-color-brand-hover: #ff3f78;
    --ui-color-light: #f8f9fa;
    --ui-color-ink: #2d3436;
    --ui-brand-pink-rgb: 255, 79, 134;
    --ui-brand-purple-rgb: 193, 108, 255;
    --ui-brand-accent-rgb: 123, 97, 255;
    --ui-color-action: #f04487;
    --ui-color-action-secondary: #766de3;
    --ui-color-action-secondary-text: #635ac6;
    --ui-color-link: #2563eb;
    /* Interaction colors come from the rendered Home CTA, not legacy logo colors. */
    --ui-color-action-start: #ec4f91;
    --ui-color-action-middle: #d85fbb;
    --ui-color-action-end: #8171e2;
    --ui-color-on-action: #ffffff;
    --ui-color-apple-background: #ffffff;
    --ui-color-apple-foreground: #000000;
    --ui-color-apple-border: var(--ui-color-border);
    --ui-color-action-ink: #19132f;
    --ui-color-action-icon-surface: rgba(255, 255, 255, 0.72);
    --ui-color-text-primary: #19132f;
    --ui-color-text-secondary: #756d8d;
    --ui-color-surface: rgba(255, 255, 255, 0.9);
    --ui-color-surface-soft: rgba(255, 245, 250, 0.72);
    --ui-color-surface-solid: #ffffff;
    --ui-color-surface-elevated: #ffffff;
    --ui-color-border: rgba(116, 87, 148, 0.16);
    --ui-color-background: #fffefe;
    --ui-color-background-subtle: #fff8fb;
    --ui-color-background-tint: #f8f2ff;
    --ui-color-success: #00cec9;
    --ui-color-warning: #fdcb6e;
    --ui-color-danger: #e17055;
    --ui-color-danger-text: #b42318;
    --ui-color-scrim: rgba(15, 23, 42, 0.58);
    --ui-color-loading-scrim: rgba(15, 23, 42, 0.12);
    --ui-color-focus: var(--ui-color-action-secondary);
    --ui-shadow-small: 0 1px 2px rgba(2, 6, 23, 0.06);
    --ui-shadow-medium: 0 2px 8px rgba(2, 6, 23, 0.08);
    --ui-shadow-large: 0 16px 36px rgba(59, 43, 99, 0.08);
    --ui-gradient-brand: linear-gradient(135deg, var(--ui-color-brand) 0%, var(--ui-color-brand-secondary) 100%);
    --ui-gradient-action: linear-gradient(112deg, var(--ui-color-action-start) 0%, var(--ui-color-action-middle) 72%, var(--ui-color-action-end) 100%);
    --ui-shadow-action: 0 12px 24px rgba(213, 78, 153, 0.22);
    --ui-shadow-action-text: 0 1px 2px rgba(54, 19, 70, 0.24);
    --ui-background-page: radial-gradient(circle at 80% 0%, rgba(var(--ui-brand-purple-rgb), 0.09), transparent 32%), linear-gradient(180deg, var(--ui-color-background-subtle) 0%, var(--ui-color-background) 100%);
    --ui-gradient-secondary: linear-gradient(135deg, var(--ui-color-brand-accent) 0%, var(--ui-color-brand-secondary) 100%);
    --ui-gradient-brand-soft: linear-gradient(135deg, rgba(var(--ui-brand-pink-rgb), 0.05) 0%, rgba(var(--ui-brand-purple-rgb), 0.05) 100%);
    --ui-gradient-brand-strong: linear-gradient(135deg, rgba(var(--ui-brand-pink-rgb), 0.9) 0%, rgba(var(--ui-brand-purple-rgb), 0.9) 100%);
    --ui-gradient-ink: linear-gradient(135deg, #2d3436 0%, #636e72 100%);

    --ui-color-voice-scrim: rgba(31, 23, 38, 0.20);
    --ui-gradient-voice-recording: linear-gradient(0deg, #9b6ed8 0%, rgba(223, 146, 188, 0.92) 36%, rgba(231, 165, 205, 0.45) 65%, transparent 100%);
    --ui-gradient-voice-cancel: linear-gradient(0deg, #e87784 0%, rgba(233, 126, 141, 0.92) 36%, rgba(240, 158, 169, 0.45) 65%, transparent 100%);
    --ui-color-reply-halo: rgba(var(--ui-brand-pink-rgb), 0.46);
    --ui-shadow-reply-halo: 0 0 var(--ui-space-4) rgba(var(--ui-brand-pink-rgb), 0.24);

    /* Compatibility roles preserve unmigrated pages without redefining a palette. */
    --ui-color-legacy-text: #19133f;
    --ui-color-legacy-secondary: #6f6590;
    --ui-color-legacy-light: #938aa7;
    --ui-color-legacy-border: rgba(184, 121, 223, 0.14);
    --ui-color-legacy-border-soft: rgba(72, 51, 112, 0.12);
    --ui-color-legacy-card: rgba(255, 255, 255, 0.92);
    --ui-color-legacy-card-elevated: #fbf8ff;
    --ui-shadow-legacy-soft: 0 16px 38px rgba(49, 36, 87, 0.08);
}

body.dark-mode {
    --ui-color-brand: #ff4f86;
    --ui-color-brand-secondary: #cf66ff;
    --ui-color-brand-accent: #9a78ff;
    --ui-color-brand-hover: #ff6a9a;
    --ui-color-action: #ff4f8a;
    --ui-color-action-secondary: #8b5cf6;
    --ui-color-action-start: #dc568f;
    --ui-color-action-middle: #aa59d8;
    --ui-color-action-end: #716fe3;
    --ui-color-action-ink: #090a0f;
    --ui-color-action-secondary-text: #b8a8ff;
    --ui-color-link: #93c5fd;
    --ui-color-danger-text: #ffb4a6;
    --ui-color-text-primary: #faf7ff;
    --ui-color-apple-background: #000000;
    --ui-color-apple-foreground: #ffffff;
    --ui-color-apple-border: #8e918f;
    --ui-color-text-secondary: rgba(250, 247, 255, 0.68);
    --ui-color-surface: rgba(20, 20, 31, 0.94);
    --ui-color-surface-soft: rgba(28, 23, 40, 0.82);
    --ui-color-surface-solid: #241f29;
    --ui-color-surface-elevated: #2b2531;
    --ui-color-border: rgba(255, 255, 255, 0.15);
    --ui-color-background: #090a0f;
    --ui-color-background-subtle: #0f1018;
    --ui-color-background-tint: #171722;
    --ui-color-scrim: rgba(0, 0, 0, 0.65);
    --ui-color-loading-scrim: rgba(0, 0, 0, 0.24);
    --ui-color-legacy-text: #f8f4fb;
    --ui-color-legacy-secondary: #d3cadc;
    --ui-color-legacy-light: #aaa0b8;
    --ui-color-legacy-border: rgba(255, 255, 255, 0.08);
    --ui-color-legacy-border-soft: rgba(255, 255, 255, 0.13);
    --ui-color-legacy-card: rgba(18, 19, 28, 0.94);
    --ui-color-legacy-card-elevated: #1c1c28;
    --ui-shadow-legacy-soft: 0 18px 44px rgba(0, 0, 0, 0.32);
    --ui-shadow-small: 0 2px 4px rgba(0, 0, 0, 0.2);
    --ui-shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.25);
    --ui-shadow-large: 0 18px 40px rgba(0, 0, 0, 0.28);
    --ui-gradient-brand: linear-gradient(135deg, #ff4f86 0%, #c16cff 100%);
    --ui-gradient-action: linear-gradient(112deg, var(--ui-color-action-start) 0%, var(--ui-color-action-middle) 56%, var(--ui-color-action-end) 100%);
    --ui-shadow-action: 0 12px 26px rgba(137, 92, 220, 0.28);
    --ui-background-page: radial-gradient(circle at 80% 0%, rgba(var(--ui-brand-purple-rgb), 0.12), transparent 34%), linear-gradient(180deg, var(--ui-color-background-subtle) 0%, var(--ui-color-background) 100%);
    --ui-gradient-secondary: linear-gradient(135deg, #8b6dff 0%, #cf66ff 100%);
}

html[data-ui-text-scale="large"] {
    --ui-text-scale: 1.25;
}