/**
 * =========================================================
 * Fontes Letras - Core Design Tokens
 * Version: 2.5.0
 * =========================================================
 * Main palette: Indigo, Lavender, White, Deep Navy
 * No green or teal brand colors.
 * Preserves FTL token names and framework structure.
 * Supports light, dark, and system themes.
 * =========================================================
 */

:root {
    /* BRAND */

    --ftl-brand-name: "Fontes Letras";

    --ftl-color-white: #FFFFFF;
    --ftl-color-black: #000000;
    --ftl-color-transparent: transparent;

    /* PRIMARY BRAND PALETTE */

    --ftl-color-primary: #5B4BDB;
    --ftl-color-primary-hover: #4938C5;
    --ftl-color-primary-active: #392AA8;
    --ftl-color-primary-soft: #F4F1FF;
    --ftl-color-primary-subtle: #FAF9FF;
    --ftl-color-primary-contrast: #FFFFFF;

    --ftl-color-accent: #5B4BDB;
    --ftl-color-accent-soft: #F4F1FF;

    /* SECONDARY + GRADIENTS (added in 2.5.0) */

    --ftl-color-secondary: #8B7CF6;
    --ftl-color-secondary-soft: #EEEAFF;
    --ftl-color-link: var(--ftl-color-primary);
    --ftl-color-selection: rgba(91, 75, 219, 0.18);

    --ftl-gradient-primary: linear-gradient(135deg, #5B4BDB 0%, #8B7CF6 100%);
    --ftl-gradient-soft: linear-gradient(135deg, #F4F1FF 0%, #FAF9FF 100%);
    --ftl-gradient-text: linear-gradient(135deg, #5B4BDB 0%, #8B7CF6 55%, #A99FFF 100%);

    /* TEXT */

    --ftl-color-text: #374151;
    --ftl-color-text-strong: #17152E;
    --ftl-color-text-muted: #6B7280;
    --ftl-color-text-soft: #9CA3AF;
    --ftl-color-text-inverse: #FFFFFF;

    --ftl-color-heading: #17152E;

    /* SURFACE */

    --ftl-color-background: #FFFFFF;
    --ftl-color-surface: #FFFFFF;
    --ftl-color-surface-soft: #FAF9FF;
    --ftl-color-surface-muted: #F4F1FF;
    --ftl-color-surface-elevated: #FFFFFF;

    /* BORDER */

    --ftl-color-border: #E7E5F4;
    --ftl-color-border-soft: #F1F0F8;
    --ftl-color-border-strong: #D8D3F5;
    --ftl-color-border-hover: #BDB4F0;

    /* STATUS COLORS
       Status colors are functional, not brand colors. */

    --ftl-color-success: #5B4BDB;
    --ftl-color-success-hover: #4938C5;
    --ftl-color-success-contrast: #FFFFFF;
    --ftl-color-success-soft: #F4F1FF;

    --ftl-color-warning: #A86408;
    --ftl-color-warning-hover: #8B5005;
    --ftl-color-warning-soft: #FFF6DF;

    --ftl-color-danger: #CF354B;
    --ftl-color-danger-hover: #B5293D;
    --ftl-color-danger-contrast: #FFFFFF;
    --ftl-color-danger-soft: #FFF0F2;

    --ftl-color-info: #5B4BDB;
    --ftl-color-info-soft: #F4F1FF;

    /* FORM / INTERACTION */

    --ftl-color-focus-ring: rgba(91, 75, 219, 0.30);
    --ftl-focus-ring: var(--ftl-color-focus-ring);
    --ftl-focus-border: var(--ftl-color-primary);

    /* TYPOGRAPHY */

    --ftl-font-family:
        "DM Sans",
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    --ftl-font-family-heading:
        "Outfit",
        "DM Sans",
        ui-sans-serif,
        system-ui,
        sans-serif;

    --ftl-font-family-mono:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        "Liberation Mono",
        "Courier New",
        monospace;

    --ftl-font-size-xs: 12px;
    --ftl-font-size-sm: 14px;
    --ftl-font-size-md: 16px;
    --ftl-font-size-lg: 18px;
    --ftl-font-size-xl: 20px;
    --ftl-font-size-2xl: 24px;
    --ftl-font-size-3xl: 30px;
    --ftl-font-size-4xl: 36px;
    --ftl-font-size-5xl: 48px;
    --ftl-font-size-6xl: 60px;

    --ftl-font-weight-normal: 400;
    --ftl-font-weight-medium: 500;
    --ftl-font-weight-semibold: 600;
    --ftl-font-weight-bold: 700;
    --ftl-font-weight-extrabold: 800;

    --ftl-line-height-none: 1;
    --ftl-line-height-tight: 1.2;
    --ftl-line-height-snug: 1.35;
    --ftl-line-height-normal: 1.5;
    --ftl-line-height-relaxed: 1.7;
    --ftl-line-height-loose: 1.9;

    --ftl-heading-letter-spacing: -0.025em;

    --ftl-letter-spacing-tight: -0.04em;
    --ftl-letter-spacing-normal: 0;
    --ftl-letter-spacing-wide: 0.04em;
    --ftl-letter-spacing-wider: 0.08em;

    /* SPACING */

    --ftl-space-0: 0;
    --ftl-space-1: 4px;
    --ftl-space-2: 8px;
    --ftl-space-3: 12px;
    --ftl-space-4: 16px;
    --ftl-space-5: 20px;
    --ftl-space-6: 24px;
    --ftl-space-7: 28px;
    --ftl-space-8: 32px;
    --ftl-space-9: 36px;
    --ftl-space-10: 40px;
    --ftl-space-12: 48px;
    --ftl-space-14: 56px;
    --ftl-space-16: 64px;
    --ftl-space-20: 80px;
    --ftl-space-24: 96px;

    /* CONTAINERS */

    --ftl-container-xs: 480px;
    --ftl-container-sm: 640px;
    --ftl-container-md: 768px;
    --ftl-container-lg: 960px;
    --ftl-container-xl: 1200px;
    --ftl-container-2xl: 1400px;
    --ftl-container-page: 1200px;

    --ftl-container-max-width: var(--ftl-container-page);
    --ftl-container-padding: 16px;
    --ftl-content-width: 760px;

    /* RADIUS */

    --ftl-radius-none: 0;
    --ftl-radius-sm: 8px;
    --ftl-radius-md: 12px;
    --ftl-radius-lg: 16px;
    --ftl-radius-xl: 20px;
    --ftl-radius-2xl: 26px;
    --ftl-radius-3xl: 28px;
    --ftl-radius-full: 9999px;

    /* SHADOWS */

    --ftl-shadow-xs: 0 1px 2px rgba(23, 21, 46, 0.04);
    --ftl-shadow-sm: 0 4px 12px rgba(23, 21, 46, 0.06);
    --ftl-shadow-md: 0 10px 30px rgba(23, 21, 46, 0.08);
    --ftl-shadow-lg: 0 18px 50px rgba(23, 21, 46, 0.10);

    --ftl-shadow-primary: 0 14px 34px rgba(91, 75, 219, 0.18);

    /* TRANSITIONS */

    --ftl-transition-fast: 120ms ease;
    --ftl-transition-normal: 180ms ease;
    --ftl-transition-slow: 280ms ease;

    /* Z-INDEX */

    --ftl-z-base: 1;
    --ftl-z-dropdown: 100;
    --ftl-z-sticky: 500;
    --ftl-z-overlay: 900;
    --ftl-z-modal: 1000;
    --ftl-z-toast: 1100;

    /* LEGACY COMPATIBILITY */

    --border: var(--ftl-color-border);
    --bg: var(--ftl-color-background);
    --surface: var(--ftl-color-surface);
    --text: var(--ftl-color-text);
    --text-muted: var(--ftl-color-text-muted);

    --ftl-primary-color: var(--ftl-color-primary);
    --ftl-primary-hover: var(--ftl-color-primary-hover);
    --ftl-button-primary-text: var(--ftl-color-primary-contrast);

    --ftl-surface: var(--ftl-color-surface);
    --ftl-surface-hover: var(--ftl-color-surface-hover);

    --ftl-text-primary: var(--ftl-color-text);
    --ftl-text-secondary: var(--ftl-color-text-muted);
    --ftl-color-text-secondary: var(--ftl-color-text-muted);

    --ftl-border-color: var(--ftl-color-border);
    --ftl-border-hover: var(--ftl-color-border-strong);
    --ftl-border-width: 1px;
    --ftl-border-width-strong: 2px;

    --ftl-focus-color: var(--ftl-color-primary);

    --ftl-danger-color: var(--ftl-color-danger);
    --ftl-danger-hover: var(--ftl-color-danger-hover);
    --ftl-danger-text: var(--ftl-color-danger-contrast);

    --ftl-success-color: var(--ftl-color-success);

    --ftl-color-surface-hover: var(--ftl-color-surface-soft);
}

/* =========================================================
   DARK THEME
   ========================================================= */

[data-theme="dark"] {
    /* BRAND */

    --ftl-color-primary: #A99FFF;
    --ftl-color-primary-hover: #C2BBFF;
    --ftl-color-primary-active: #8D80F5;

    --ftl-color-primary-soft: #302A50;
    --ftl-color-primary-subtle: #25213E;
    --ftl-color-primary-contrast: #17152E;

    --ftl-color-accent: #C2BBFF;
    --ftl-color-accent-soft: #302A50;

    --ftl-color-secondary: #C2BBFF;
    --ftl-color-secondary-soft: #353052;
    --ftl-color-selection: rgba(169, 159, 255, 0.30);
    --ftl-gradient-primary: linear-gradient(135deg, #8D80F5 0%, #C2BBFF 100%);
    --ftl-gradient-soft: linear-gradient(135deg, #292545 0%, #211E3B 100%);
    --ftl-gradient-text: linear-gradient(135deg, #A99FFF 0%, #C2BBFF 55%, #E4E0FF 100%);

    /* TEXT */

    --ftl-color-text: #E9E7F5;
    --ftl-color-text-strong: #FFFFFF;
    --ftl-color-text-muted: #B8B5CC;
    --ftl-color-text-soft: #9691B0;
    --ftl-color-text-inverse: #17152E;

    --ftl-color-heading: #FFFFFF;

    /* SURFACE */

    --ftl-color-background: #17152E;
    --ftl-color-surface: #211E3B;
    --ftl-color-surface-soft: #292545;
    --ftl-color-surface-muted: #353052;
    --ftl-color-surface-elevated: #302B4D;

    /* BORDER */

    --ftl-color-border: #403B60;
    --ftl-color-border-soft: #302B4D;
    --ftl-color-border-strong: #5C557E;
    --ftl-color-border-hover: #8177B3;

    /* STATUS */

    --ftl-color-success: #A99FFF;
    --ftl-color-success-hover: #C2BBFF;
    --ftl-color-success-contrast: #17152E;
    --ftl-color-success-soft: #302A50;

    --ftl-color-warning: #F2BD65;
    --ftl-color-warning-hover: #FFD18A;
    --ftl-color-warning-soft: #352A19;

    --ftl-color-danger: #FF7D91;
    --ftl-color-danger-hover: #FF9BAA;
    --ftl-color-danger-contrast: #2B0A12;
    --ftl-color-danger-soft: #381B27;

    --ftl-color-info: #A99FFF;
    --ftl-color-info-soft: #302A50;

    /* FORM / INTERACTION */

    --ftl-color-focus-ring: rgba(169, 159, 255, 0.38);
    --ftl-focus-ring: var(--ftl-color-focus-ring);
    --ftl-focus-border: var(--ftl-color-primary);

    /* SHADOWS */

    --ftl-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.25);
    --ftl-shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.28);
    --ftl-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.32);
    --ftl-shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.38);

    --ftl-shadow-primary: 0 14px 34px rgba(169, 159, 255, 0.22);

    /* LEGACY */

    --border: var(--ftl-color-border);
    --bg: var(--ftl-color-background);
    --surface: var(--ftl-color-surface);
    --text: var(--ftl-color-text);
    --text-muted: var(--ftl-color-text-muted);
}

/* =========================================================
   SYSTEM DARK MODE
   Used when the visitor prefers dark mode and has not
   explicitly selected the light theme.
   ========================================================= */

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --ftl-color-primary: #A99FFF;
        --ftl-color-primary-hover: #C2BBFF;
        --ftl-color-primary-active: #8D80F5;

        --ftl-color-primary-soft: #302A50;
        --ftl-color-primary-subtle: #25213E;
        --ftl-color-primary-contrast: #17152E;

        --ftl-color-accent: #C2BBFF;
        --ftl-color-accent-soft: #302A50;

        --ftl-color-secondary: #C2BBFF;
        --ftl-color-secondary-soft: #353052;
        --ftl-color-selection: rgba(169, 159, 255, 0.30);
        --ftl-gradient-primary: linear-gradient(135deg, #8D80F5 0%, #C2BBFF 100%);
        --ftl-gradient-soft: linear-gradient(135deg, #292545 0%, #211E3B 100%);
        --ftl-gradient-text: linear-gradient(135deg, #A99FFF 0%, #C2BBFF 55%, #E4E0FF 100%);

        --ftl-color-text: #E9E7F5;
        --ftl-color-text-strong: #FFFFFF;
        --ftl-color-text-muted: #B8B5CC;
        --ftl-color-text-soft: #9691B0;
        --ftl-color-text-inverse: #17152E;

        --ftl-color-heading: #FFFFFF;

        --ftl-color-background: #17152E;
        --ftl-color-surface: #211E3B;
        --ftl-color-surface-soft: #292545;
        --ftl-color-surface-muted: #353052;
        --ftl-color-surface-elevated: #302B4D;

        --ftl-color-border: #403B60;
        --ftl-color-border-soft: #302B4D;
        --ftl-color-border-strong: #5C557E;
        --ftl-color-border-hover: #8177B3;

        --ftl-color-success: #A99FFF;
        --ftl-color-success-hover: #C2BBFF;
        --ftl-color-success-contrast: #17152E;
        --ftl-color-success-soft: #302A50;

        --ftl-color-warning: #F2BD65;
        --ftl-color-warning-hover: #FFD18A;
        --ftl-color-warning-soft: #352A19;

        --ftl-color-danger: #FF7D91;
        --ftl-color-danger-hover: #FF9BAA;
        --ftl-color-danger-contrast: #2B0A12;
        --ftl-color-danger-soft: #381B27;

        --ftl-color-info: #A99FFF;
        --ftl-color-info-soft: #302A50;

        --ftl-color-focus-ring: rgba(169, 159, 255, 0.38);
        --ftl-focus-ring: var(--ftl-color-focus-ring);
        --ftl-focus-border: var(--ftl-color-primary);

        --ftl-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.25);
        --ftl-shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.28);
        --ftl-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.32);
        --ftl-shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.38);

        --ftl-shadow-primary: 0 14px 34px rgba(169, 159, 255, 0.22);

        --border: var(--ftl-color-border);
        --bg: var(--ftl-color-background);
        --surface: var(--ftl-color-surface);
        --text: var(--ftl-color-text);
        --text-muted: var(--ftl-color-text-muted);
    }
}