@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    color-scheme: light;

    /* Brand & Status Colors */
    --accent-color: #3491fe;
    --accent-rgb: 52, 145, 254;
    --danger-color: #fd5153;
    --danger-rgb: 253, 81, 83;
    --success-color: #01ba78;
    --success-rgb: 1, 186, 120;
    --warning-color: #fe7923;
    --warning-rgb: 254, 121, 35;
    --yellow-color: #fdb112;
    --purple-color: #9168de;
    --button-blue: #017fff;

    /* Layout Colors — Light */
    --bg-color: #F4F5F8;
    --bg-color-2: #EDEEF2;
    --card-bg: #FFFFFF;
    --card-bg-2: #F0F1F5;
    --text-primary: #0D0D1A;
    --text-secondary: #737387;
    --border-color: rgba(0, 0, 0, 0.07);
    --border-subtle: rgba(0, 0, 0, 0.05);
    --nav-bg: rgba(244, 245, 248, 0.88);
    --nav-border: rgba(0, 0, 0, 0.08);

    /* Component Specific Colors */
    --calendar-bg-default: #E8E9EF;
    --calendar-bg-weekend: #DADBE3;
    --calendar-bg-active: var(--success-color);
    --calendar-border-active: var(--success-color);
    --calendar-text-active: #FFFFFF;

    /* Nutrient Colors */
    --color-calories: var(--accent-color);
    --color-protein: var(--success-color);
    --color-fat: var(--warning-color);
    --color-carbs: var(--purple-color);

    /* Typography Scale - Base is 16px */
    --font-size-xs: 0.625rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 1rem;
    --font-size-md: 1.0625rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2.125rem;

    /* Spacing Scale - FIXED PX to prevent breaking on font-size change */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 20px;
    --space-xl: 30px;

    /* Radius */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows — Light */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.09), 0 2px 6px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.08);

    /* Other Tokens */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --logo-image: url('assets/brand/logo.svg');

    --user-font-size: 16px;
}

:root[data-theme="dark"] {
    color-scheme: dark;

    /* Layout Colors — Dark (Wellspoken-inspired navy) */
    --bg-color: #13131C;
    --bg-color-2: #1A1A26;
    --card-bg: #1E1E2C;
    --card-bg-2: #252538;
    --text-primary: #F0F0FF;
    --text-secondary: #8E8EA8;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --nav-bg: rgba(19, 19, 28, 0.92);
    --nav-border: rgba(255, 255, 255, 0.07);

    /* Calendar — Dark */
    --calendar-bg-default: #252538;
    --calendar-bg-weekend: #2D2D44;

    /* Shadows — Dark (subtle glow-ish) */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: var(--user-font-size);
    height: 100%;
    min-height: 100%;
    min-height: -webkit-fill-available;
}

body {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
}