/* 
    # Copyright (c) 2026 Deni Hamdani
    # SPDX-License-Identifier: MIT

    ============================================
    Reset, Typography, Base Elements
    ============================================ 
*/

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: var(--fs-body-md);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background-color: var(--bg-base);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-weight: var(--fw-semibold);
    line-height: var(--lh-tight);
    color: var(--text-primary);
}

h1 {
    font-size: var(--fs-heading-xl);
}

h2 {
    font-size: var(--fs-heading-md);
}

h3 {
    font-size: var(--fs-heading-sm);
}

h4 {
    font-size: var(--fs-body-sm);
    color: var(--text-secondary);
}

a {
    color: var(--text-link);
    text-decoration: none;
}

code,
pre,
kbd {
    font-family: var(--font-mono);
}

kbd {
    display: inline-block;
    padding: 1px 5px;
    font-size: var(--fs-badge);
    font-weight: var(--fw-semibold);
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid #444;
    border-bottom-width: 2px;
    border-radius: 3px;
    min-width: 20px;
    text-align: center;
}

::selection {
    background: var(--blue-300);
    color: var(--text-primary);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--r-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-disabled);
}

:focus-visible {
    outline: 2px solid var(--yellow-500);
    outline-offset: 2px;
}

.hidden {
    display: none !important;
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── OVERSCROLL CONTAINMENT ── */
.item-list,
.merge-items-wrapper,
.preview-content,
.modal-body,
.shortcuts-body {
    overscroll-behavior: contain;
}