/* ==========================================================================
   KMeet — Overlay system (toast / dialog / modal / bottom sheet).
   Bespoke, token-driven, adaptif light/dark, reduced-motion-safe.
   Tanpa Bootstrap-JS / Tailwind. z-index semantik.
   ========================================================================== */

:root {
    --k-z-toast: 1080;
    --k-z-overlay: 1090;
}

body.k-scroll-lock {
    overflow: hidden;
}

/* ---------------------------------------------------------------- TOAST -- */
.k-toast-host {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: var(--k-z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    width: min(23rem, calc(100vw - 2rem));
    pointer-events: none;
}
.k-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background: var(--k-surface-2);
    color: var(--k-ink);
    border: 1px solid var(--k-hairline);
    border-radius: var(--k-radius);
    box-shadow: var(--k-shadow-md);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    padding: 0.7rem 0.8rem;
    font-size: 0.92rem;
    line-height: 1.4;
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 240ms var(--k-ease), transform 240ms var(--k-ease);
}
.k-toast.is-in { opacity: 1; transform: none; }
.k-toast.is-out { opacity: 0; transform: translateY(-8px) scale(0.98); }
.k-toast__icon { flex: none; width: 1.2rem; height: 1.2rem; margin-top: 0.05rem; }
.k-toast__icon svg { width: 100%; height: 100%; display: block; }
.k-toast__msg { flex: 1; min-width: 0; }
.k-toast__close {
    flex: none;
    background: none;
    border: 0;
    color: var(--k-ink-faint);
    font-size: 1.15rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.1rem;
    transition: color 140ms var(--k-ease);
}
.k-toast__close:hover { color: var(--k-ink); }
.k-toast--success .k-toast__icon { color: #22c55e; }
.k-toast--error .k-toast__icon { color: #f87171; }
.k-toast--info .k-toast__icon,
.k-toast--default .k-toast__icon { color: var(--k-accent); }

@media (max-width: 560px) {
    .k-toast-host {
        top: auto;
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
        width: auto;
    }
    .k-toast { transform: translateY(8px) scale(0.98); }
    .k-toast.is-out { transform: translateY(8px) scale(0.98); }
}

/* -------------------------------------------------- OVERLAY (modal/sheet) -- */
.k-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--k-z-overlay);
    display: grid;
    place-items: center;
    padding: 1.25rem;
    background: color-mix(in oklab, #04091c 66%, transparent);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 220ms var(--k-ease);
}
.k-overlay.is-in { opacity: 1; }

.k-panel {
    position: relative;
    width: 100%;
    max-width: 28rem;
    max-height: calc(100dvh - 2.5rem);
    overflow-y: auto;
    background: var(--k-surface);
    border: 1px solid var(--k-hairline);
    border-radius: var(--k-radius-lg);
    box-shadow: var(--k-shadow-lg);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    backdrop-filter: blur(20px) saturate(1.2);
    padding: 1.5rem;
    color: var(--k-ink);
    transform: translateY(12px) scale(0.98);
    transition: transform 240ms var(--k-ease);
}
.k-overlay.is-in .k-panel { transform: none; }

.k-panel__title {
    font-family: var(--k-font-display);
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin: 0 0 0.45rem;
    color: var(--k-ink);
    text-wrap: balance;
}
.k-panel__body {
    color: var(--k-ink-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}
.k-panel__body p { margin: 0 0 0.6rem; }
.k-panel__body p:last-child { margin-bottom: 0; }
.k-panel__footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.k-panel__close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    background: none;
    border: 0;
    color: var(--k-ink-faint);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
    border-radius: var(--k-radius);
    transition: color 140ms var(--k-ease), background 140ms var(--k-ease);
}
.k-panel__close:hover { color: var(--k-ink); background: var(--k-surface-2); }

/* Buttons */
.k-btn {
    border: 0;
    border-radius: var(--k-radius);
    padding: 0.6rem 1.15rem;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: transform 140ms var(--k-ease), filter 140ms var(--k-ease), background 140ms var(--k-ease), border-color 140ms var(--k-ease);
}
.k-btn--accent { background: var(--k-accent); color: var(--k-on-accent); }
.k-btn--danger { background: #dc2626; color: #fff; }
.k-btn--ghost { background: var(--k-surface-2); color: var(--k-ink); border: 1px solid var(--k-hairline); }
.k-btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.k-btn--ghost:hover { border-color: var(--k-accent); filter: none; }
.k-btn:active { transform: scale(0.98); }
.k-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--k-glow); }

/* ----- Bottom sheet (variant) + modal→sheet di mobile -------------------- */
.k-overlay--sheet { place-items: end center; padding: 0; }
.k-overlay--sheet .k-panel {
    max-width: 34rem;
    border-radius: var(--k-radius-lg) var(--k-radius-lg) 0 0;
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
    transform: translateY(100%);
}
.k-overlay--sheet.is-in .k-panel { transform: none; }
.k-overlay--sheet .k-panel::before {
    content: "";
    display: block;
    width: 2.5rem;
    height: 0.28rem;
    border-radius: 999px;
    background: var(--k-hairline);
    margin: -0.4rem auto 1rem;
}

@media (max-width: 560px) {
    .k-overlay--modal { place-items: end center; padding: 0; }
    .k-overlay--modal .k-panel {
        max-width: none;
        border-radius: var(--k-radius-lg) var(--k-radius-lg) 0 0;
        padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
        transform: translateY(100%);
    }
    .k-overlay--modal.is-in .k-panel { transform: none; }
    .k-panel__footer .k-btn { flex: 1; text-align: center; }
}

/* ----- Skin komponen Tabler lama agar seragam (fallback) ---------------- */
.modal-content {
    background: var(--k-surface);
    border: 1px solid var(--k-hairline);
    border-radius: var(--k-radius-lg);
    color: var(--k-ink);
}
.modal-header, .modal-footer { border-color: var(--k-hairline); }
.modal-title { font-family: var(--k-font-display); color: var(--k-ink); }
.modal-backdrop.show { background: #04091c; opacity: 0.66; }

/* ----- Reduced motion --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .k-toast, .k-overlay, .k-panel, .k-btn {
        transition: none !important;
    }
    .k-toast { opacity: 1; transform: none; }
    .k-overlay.is-in .k-panel,
    .k-overlay--sheet.is-in .k-panel { transform: none; }
}