/**
 * Nour Al-Bayan Interactive Platform - Base & Font Setup
 * Offline-first local font declarations, resets, and root layout.
 */

/* 1. Local Font Declarations */
@font-face {
    font-family: 'Amiri';
    font-style: normal;
    font-weight: 400;
    src: local('Amiri'), local('Amiri Regular'), local('Amiri-Regular'),
         url('../vendor/fonts/amiri-regular.woff2') format('woff2');
    font-display: swap;
    unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF, U+10E60-10E7E;
}
@font-face {
    font-family: 'Amiri';
    font-style: normal;
    font-weight: 700;
    src: local('Amiri Bold'), local('Amiri-Bold'),
         url('../vendor/fonts/amiri-bold.woff2') format('woff2');
    font-display: swap;
    unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF, U+10E60-10E7E;
}
@font-face {
    font-family: 'Fredoka';
    font-style: normal;
    font-weight: 400;
    src: local('Fredoka'), local('Fredoka Regular'),
         url('../vendor/fonts/fredoka-regular.woff2') format('woff2');
    font-display: swap;
}
@font-face {
    font-family: 'Fredoka';
    font-style: normal;
    font-weight: 600;
    src: local('Fredoka SemiBold'),
         url('../vendor/fonts/fredoka-semibold.woff2') format('woff2');
    font-display: swap;
}
@font-face {
    font-family: 'Fredoka';
    font-style: normal;
    font-weight: 700;
    src: local('Fredoka Bold'),
         url('../vendor/fonts/fredoka-bold.woff2') format('woff2');
    font-display: swap;
}
@font-face {
    font-family: 'Fredoka';
    font-style: normal;
    font-weight: 900;
    src: local('Fredoka Black'),
         url('../vendor/fonts/fredoka-black.woff2') format('woff2');
    font-display: swap;
}

/* 2. Base Reset and Body */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Arabic typography constraint */
:lang(ar),
[dir="rtl"] {
    letter-spacing: normal !important;
}

html, body {
    height: 100%;
    height: 100dvh;
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    display: flex;
    flex-direction: column;
    align-items: center;
    user-select: none;
    background-color: var(--color-bg-green, #f0fdf4);
    background-image: radial-gradient(#dcfce7 1px, transparent 1px), radial-gradient(#f0fdf4 1px, #f0fdf4 1px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

header, main, footer {
    width: 100%;
    box-sizing: border-box;
}

header, footer {
    flex-shrink: 0;
}