/* ============================================================
   Inv Modal �?" Reusable Liquid-Glass Modal System (pure CSS)
   Dipakai oleh semua modal undangan (RSVP, QR, dll).
   Struktur umum:
     .inv-modal                kapal (container) hidden
     .inv-modal__backdrop      lapisan gelap di belakang (click = close)
     .inv-modal__sheet         panel kaca berisi konten
     .inv-modal__close         tombol X
     .inv-modal__icon          ikon lingkaran atas (opsional)
     .inv-modal__title         judul
     .inv-modal__sub           sub judul
     .inv-modal__body          isi konten (form, media, dsb)
     .inv-modal__actions       baris aksi (opsional)
   Tambahkan kelas .is-open (dikelola oleh inv-modal.js) untuk menampilkan.
   ============================================================ */

/* ---------- Container ---------- */
.inv-modal {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: none;
}
.inv-modal.is-open {
    display: block;
}

/* ---------- Backdrop ---------- */
.inv-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(18, 16, 24, 0.5);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 240ms ease;
    cursor: pointer;
}
.inv-modal.is-open .inv-modal__backdrop {
    opacity: 1;
}

/* ---------- Sheet (Liquid Glass) ----------
   Warna eksplisit, tanpa color-mix agar kompatibel semua browser. */
.inv-modal__sheet {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(88vw, 24rem);
    max-height: calc(100dvh - 3rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(20, 18, 26, 0.22) transparent;
    scrollbar-gutter: stable;
    border-radius: 2.2rem;
    padding: 2.4rem 1.7rem 1.8rem;
    text-align: center;
    color: var(--inv-base, #26242b);
    border: 1px solid rgba(255, 255, 255, 0.8);
    background: radial-gradient(
        130% 70% at 50% 0%,
        rgba(255, 255, 255, 0.98),
        rgba(255, 255, 255, 0.42) 55%,
        rgba(248, 249, 252, 0.72)
    );
    -webkit-backdrop-filter: blur(28px) saturate(200%);
    backdrop-filter: blur(28px) saturate(200%);
    box-shadow:
        0 34px 80px rgba(0, 0, 0, 0.35),
        0 10px 26px rgba(0, 0, 0, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%) scale(0.94);
    opacity: 0;
    transition:
        transform 340ms cubic-bezier(0.34, 1.4, 0.34, 1),
        opacity 240ms ease;
}
.inv-modal.is-open .inv-modal__sheet {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* Scrollbar tipis & lembut agar tidak merusak tampilan kaca (WebKit/Blink). */
.inv-modal__sheet::-webkit-scrollbar {
    width: 8px;
}
.inv-modal__sheet::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 8px;
}
.inv-modal__sheet::-webkit-scrollbar-thumb {
    background: rgba(20, 18, 26, 0.22);
    border-radius: 8px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.inv-modal__sheet::-webkit-scrollbar-thumb:hover {
    background-color: rgba(20, 18, 26, 0.4);
}

/* ---------- Close ---------- */
.inv-modal__close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    width: 2.4rem;
    height: 2.4rem;
    border: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    line-height: 1;
    cursor: pointer;
    color: var(--inv-base, #26242b);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(20, 18, 26, 0.08);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition:
        transform 150ms ease,
        background 150ms ease;
}
.inv-modal__close:hover {
    transform: scale(1.08);
}
.inv-modal__close:active {
    transform: scale(0.92);
}

/* ---------- Icon ---------- */
.inv-modal__icon {
    width: 4.2rem;
    height: 4.2rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--inv-accent, #c25e3c);
    border: 1px solid rgba(194, 94, 60, 0.4);
    background: linear-gradient(
        180deg,
        rgba(194, 94, 60, 0.18),
        rgba(194, 94, 60, 0.05)
    );
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        0 12px 26px -10px rgba(194, 94, 60, 0.5);
}

/* ---------- Title & subtitle ---------- */
.inv-modal__title {
    font-family: var(--font-accent, inherit);
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.2rem;
    color: var(--inv-base, #26242b);
}
.inv-modal__sub {
    font-size: 0.82rem;
    color: var(--inv-base, #26242b);
    opacity: 0.65;
    margin: 0 0 1.3rem;
}

/* ---------- Body & actions ---------- */
.inv-modal__body {
    text-align: left;
}
.inv-modal__body > :last-child {
    margin-bottom: 0;
}
.inv-modal__actions {
    margin-top: 1.4rem;
    text-align: center;
}

/* ---------- Media (QR, gambar, dsb) di dalam panel ---------- */
.inv-modal__media {
    margin: 0 auto;
    width: fit-content;
    padding: 0.85rem;
    border-radius: 1.4rem;
    background: #fff;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow:
        0 16px 36px -12px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
}
.inv-modal__media .qrcode-box {
    border-radius: 0.8rem;
    display: block;
}

/* ---------- Meta (teks kecil, url, dsb) ---------- */
.inv-modal__meta {
    margin-top: 1.1rem;
    font-size: 0.72rem;
    opacity: 0.6;
    word-break: break-all;
    color: var(--inv-base, #26242b);
}

/* ---------- Field form di dalam panel ---------- */
.inv-modal__field {
    margin-bottom: 1rem;
    text-align: left;
}
.inv-modal__field > label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-bottom: 0.3rem;
    color: var(--inv-base, #26242b);
}
.inv-modal__field > label .required {
    color: #c25e3c;
}
.inv-modal__field input,
.inv-modal__field select,
.inv-modal__field textarea {
    width: 100%;
    font: inherit;
    font-size: 0.9rem;
    color: var(--inv-base, #26242b);
    padding: 0.7rem 0.9rem;
    border-radius: 1rem;
    border: 1px solid rgba(20, 18, 26, 0.1);
    background: rgba(255, 255, 255, 0.75);
    box-shadow: inset 0 1px 3px rgba(20, 18, 26, 0.06);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    transition:
        border-color 150ms ease,
        box-shadow 150ms ease,
        background 150ms ease;
}
.inv-modal__field input:focus,
.inv-modal__field select:focus,
.inv-modal__field textarea:focus {
    outline: none;
    border-color: rgba(194, 94, 60, 0.6);
    background: rgba(255, 255, 255, 0.92);
    box-shadow:
        0 0 0 3px rgba(194, 94, 60, 0.15),
        inset 0 1px 3px rgba(20, 18, 26, 0.05);
}
.inv-modal__field textarea {
    resize: vertical;
    min-height: 4.5rem;
}
.inv-modal__field .inv-modal__hint {
    font-size: 0.72rem;
    opacity: 0.6;
    margin-top: 0.25rem;
}

/* ---------- Honeypot anti-bot ---------- */
.inv-modal__honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
    pointer-events: none !important;
    padding: 0 !important;
    border: 0 !important;
}

/* ---------- Primary action di dalam panel ---------- */
.inv-modal__submit {
    width: 100%;
    padding: 0.8rem 1.2rem;
    border: 0;
    border-radius: 1.4rem;
    font: inherit;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(
        135deg,
        rgba(194, 94, 60, 0.92),
        rgba(164, 70, 40, 0.9)
    );
    box-shadow:
        0 10px 24px -8px rgba(194, 94, 60, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition:
        transform 150ms ease,
        box-shadow 150ms ease;
}
.inv-modal__submit:hover {
    transform: translateY(-1px);
    box-shadow:
        0 14px 30px -8px rgba(194, 94, 60, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.inv-modal__submit:active {
    transform: translateY(0);
}

/* ---------- Bottom-sheet mobile ---------- */
@media (max-width: 480px) {
    .inv-modal__sheet {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        border-radius: 2.1rem 2.1rem 0 0;
        max-height: 86dvh;
        scrollbar-gutter: auto;
        padding-bottom: calc(1.7rem + env(safe-area-inset-bottom, 0px));
        transform: translateY(105%);
    }
    .inv-modal.is-open .inv-modal__sheet {
        transform: translateY(0);
    }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .inv-modal__sheet,
    .inv-modal__backdrop {
        transition: none;
    }
    .inv-modal__sheet {
        transform: translate(-50%, -50%);
    }
    .inv-modal.is-open .inv-modal__sheet {
        transform: translate(-50%, -50%);
    }
    @media (max-width: 480px) {
        .inv-modal__sheet,
        .inv-modal.is-open .inv-modal__sheet {
            transform: translateY(0);
        }
    }
}

/* ---------- Body scroll lock (dikelola inv-modal.js) ---------- */
body.inv-modal-open {
    overflow: hidden;
}