/* ══════════════════════════════════════════════
   rhx-drawer — Slide-out drawer panel
   ══════════════════════════════════════════════ */

.rhx-drawer {
    position: fixed;
    inset: 0;
    z-index: var(--rhx-z-drawer, 1000);
    pointer-events: none;
    visibility: hidden;
}

.rhx-drawer--contained {
    position: absolute;
}

/* ── Overlay ── */
.rhx-drawer__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.2s ease;
}

/* ── Panel ── */
.rhx-drawer__panel {
    position: absolute;
    display: flex;
    flex-direction: column;
    background: var(--rhx-color-surface);
    box-shadow: var(--rhx-shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
    transition: transform 0.25s ease;
    overflow: hidden;
}

/* ── Placement: End (default, right side) ── */
.rhx-drawer--end > .rhx-drawer__panel {
    top: 0;
    right: 0;
    bottom: 0;
    width: min(90vw, 24rem);
    transform: translateX(100%);
}

/* ── Placement: Start (left side) ── */
.rhx-drawer--start > .rhx-drawer__panel {
    top: 0;
    left: 0;
    bottom: 0;
    width: min(90vw, 24rem);
    transform: translateX(-100%);
}

/* ── Placement: Top ── */
.rhx-drawer--top > .rhx-drawer__panel {
    top: 0;
    left: 0;
    right: 0;
    height: min(90vh, 20rem);
    transform: translateY(-100%);
}

/* ── Placement: Bottom ── */
.rhx-drawer--bottom > .rhx-drawer__panel {
    bottom: 0;
    left: 0;
    right: 0;
    height: min(90vh, 20rem);
    transform: translateY(100%);
}

/* ── Open state ── */
.rhx-drawer--open {
    pointer-events: auto;
    visibility: visible;
}

.rhx-drawer--open > .rhx-drawer__overlay {
    opacity: 1;
}

.rhx-drawer--open > .rhx-drawer__panel {
    transform: translate(0, 0);
}

/* ── Header ── */
.rhx-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--rhx-space-lg);
    border-bottom: var(--rhx-border-width) solid var(--rhx-color-border-muted, var(--rhx-color-border));
    flex-shrink: 0;
}

.rhx-drawer__title {
    margin: 0;
    font-size: var(--rhx-font-size-lg);
    font-weight: var(--rhx-font-weight-semibold, var(--rhx-font-weight-bold));
    color: var(--rhx-color-text);
}

/* ── Close button ── */
.rhx-drawer__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: none;
    border-radius: var(--rhx-radius-sm);
    cursor: pointer;
    color: var(--rhx-color-text-muted);
    font-size: 1.25rem;
    line-height: 1;
    flex-shrink: 0;
}

.rhx-drawer__close:hover {
    background: var(--rhx-color-neutral-100);
    color: var(--rhx-color-text);
}

.rhx-drawer__close:focus-visible {
    outline: 2px solid var(--rhx-color-brand-500);
    outline-offset: -2px;
}

/* ── Body ── */
.rhx-drawer__body {
    padding: var(--rhx-space-lg);
    overflow-y: auto;
    flex: 1;
}

/* ── Footer ── */
.rhx-drawer__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--rhx-space-sm);
    padding: var(--rhx-space-md) var(--rhx-space-lg);
    border-top: var(--rhx-border-width) solid var(--rhx-color-border-muted, var(--rhx-color-border));
    flex-shrink: 0;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .rhx-drawer__panel,
    .rhx-drawer__overlay {
        transition: none;
    }
}