/* © 2025 Spwig. All rights reserved. */

/** Frontend Base Styles - Resets, Accessibility, Toasts */

/* ============================================================
   Basic Reset (prevents layout shift)
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

/* Prevent layout shift for images */
img, video, iframe {
    max-width: 100%;
    height: auto;
}

/* ============================================================
   Accessibility
   ============================================================ */

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--theme-space-4);
    padding: var(--theme-space-2) var(--theme-space-4);
    background-color: var(--theme-color-primary);
    color: var(--theme-color-text-inverse);
    border-radius: var(--theme-radius-md);
    text-decoration: none;
    font-weight: var(--theme-font-weight-medium);
    z-index: var(--theme-z-tooltip);
    transition: top var(--theme-transition-duration-fast) var(--theme-transition-easing-default);
}

.skip-link:focus {
    top: var(--theme-space-4);
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: var(--theme-space-2);
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Utility: hidden */
.hidden {
    display: none;
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast {
    position: fixed;
    top: var(--theme-space-4);
    right: var(--theme-space-4);
    padding: var(--theme-space-4);
    border-radius: var(--theme-radius-lg);
    box-shadow: var(--theme-shadow-lg);
    z-index: var(--theme-z-tooltip);
    color: var(--theme-color-text-inverse);
    font-weight: var(--theme-font-weight-medium);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity var(--theme-transition-duration-base) var(--theme-transition-easing-default),
                transform var(--theme-transition-duration-base) var(--theme-transition-easing-default);
}

.toast--visible {
    opacity: 1;
    transform: translateX(0);
}

.toast--success {
    background-color: var(--theme-color-success);
}

.toast--error {
    background-color: var(--theme-color-error);
}

.toast--warning {
    background-color: var(--theme-color-warning);
    color: var(--theme-color-text);
}

.toast--info {
    background-color: var(--theme-color-info);
}