/**
 * Uniform side-drawer pattern (glass shell + frosted sticky header + card content).
 *
 * Structure:
 *   .app-drawer-backdrop
 *   aside.app-drawer
 *     .app-drawer-sticky-header
 *       .app-drawer-header > .drawer-title + .app-drawer-close
 *       (optional toolbar rows, e.g. sort controls)
 *     .app-drawer-body > cards / lists
 *
 * Toggle open: .app-drawer.drawer-open { right: 0; }
 */

:root {
    --drawer-glass-bg: rgba(244, 246, 245, 0.16);
    --drawer-glass-blur: 24px;
    --drawer-glass-border: rgba(255, 255, 255, 0.2);
    --drawer-header-glass-bg: rgba(255, 255, 255, 0.62);
    --drawer-header-glass-blur: 12px;
    --drawer-width: 32%;
    --drawer-min-width: 400px;
    --drawer-max-width: 520px;
    --drawer-z-backdrop: 900;
    --drawer-z-panel: 1000;
}

.app-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--drawer-z-backdrop);
}

.app-drawer-backdrop[hidden] {
    display: none !important;
}

.app-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: var(--drawer-width);
    min-width: var(--drawer-min-width);
    max-width: var(--drawer-max-width);
    height: 100vh;
    background: var(--drawer-glass-bg);
    backdrop-filter: blur(var(--drawer-glass-blur));
    -webkit-backdrop-filter: blur(var(--drawer-glass-blur));
    border-left: 1px solid var(--drawer-glass-border);
    z-index: var(--drawer-z-panel);
    overflow-y: auto;
    transition: right 0.3s ease;
    padding: 0;
    box-shadow: -4px 0 15px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
}

.app-drawer.drawer-open {
    right: 0;
}

.app-drawer-sticky-header {
    position: sticky;
    top: 0;
    z-index: 2;
    padding: 24px 24px 16px;
    background: var(--drawer-header-glass-bg);
    backdrop-filter: blur(var(--drawer-header-glass-blur));
    -webkit-backdrop-filter: blur(var(--drawer-header-glass-blur));
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.app-drawer-body {
    padding: 16px 24px 24px;
}

.app-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.app-drawer-header .drawer-title {
    margin-bottom: 0;
    color: var(--text-primary, #36443C);
}

.app-drawer-close {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(203, 213, 225, 0.9);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.88);
    color: #36443C;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.app-drawer-close:hover {
    background: #fff;
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.app-drawer-close:focus-visible {
    outline: 2px solid var(--primary-accent, #DD502C);
    outline-offset: 2px;
}

.app-drawer-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-drawer-section-heading {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
    margin: 24px 0 0;
}