:root {
    --color-bg-deep: #0a3d32;
    --color-bg-emerald: #004d40;
    --color-gold: #d4af37;
    --color-cream: #f5e6cc;
    --color-mint: #d8f0ea;
    --color-mint-panel: rgba(216, 240, 234, 0.92);
    --color-white: #ffffff;
    --color-text: #ffffff;
    --color-text-dark: #0a3d32;
    --color-lady: #084838;
    --color-darling: #e08868;
    --color-muse: #d890a8;
    --font-display: "BHN Argue", "Times New Roman", serif;
    --font-script: "BHN Charlotte Southern", cursive;
    --font-body: "BHN Sharp Sans", "Helvetica Neue", sans-serif;
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --page-max: 1120px;
    --hero-max: 1760px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg-deep);
    background-image: url("../images/converted/background-desktop.webp");
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: scroll;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile-only clones — ẩn mặc định, chỉ hiện trên mobile */
.hero__branding-img--mobile,
.hero__necklace--mobile,
.hero__banner--mobile {
    display: none;
}

.page {
    width: clamp(60%, 60vw, calc(var(--hero-max) * 0.9));
    margin: 0 auto;
    padding: 0 0 4rem;
}

.section {
    margin-bottom: 2.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--color-cream);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 1.25rem;
}

.hero {
    position: relative;
    width: clamp(70%, 70vw, var(--hero-max));
    margin: 0 auto 2.5rem;
}

.hero__inner {
    position: relative;
    display: grid;
    gap: 1.5rem;
}

.hero__visual {
    position: relative;
    z-index: 1;
    min-width: 0;
    align-self: center;
    padding-top: 5rem;
}

.hero__banner {
    width: 100%;
    border-radius: var(--radius-lg);
    max-height: 50rem;
    width: auto;
}

.hero__necklace {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    width: auto;
    height: clamp(150px, 20vw, 250px);
    padding-left: .5rem;
    pointer-events: none;
    filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.28));
}

.hero__content {
    position: relative;
    z-index: 2;
    min-width: 0;
    align-self: start;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    text-align: left;
}

.hero__body {
    grid-column: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__branding {
    margin: clamp(1.5em, 3vw, 2.5rem) auto 1rem;
    /* max-width: 90%; */
}

.hero__branding-img {
    /* width: clamp(300px, 85%, 500px); */
    display: block;
    width: 85%;
    height: auto;
    margin: 0 auto;
}

.hero__desc {
    width: 100%;
    margin: 0 0 0.9rem;
    line-height: 1.65;
    font-size: clamp(0.82rem, 1.4vw, 0.95rem);
    opacity: 0.95;
    text-align: justify;
}

.hero__desc--last {
    margin-bottom: 1.25rem;
}

.hero__badge {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 0.5rem;
    border-radius: var(--radius-pill);
    background: #fbe9d2;
    color: #466659;
    font-family: var(--font-body);
    font-weight: bold;
    font-size: clamp(0.8rem, 1.3vw, 0.92rem);
    letter-spacing: 0.01em;
    box-shadow: 0 2px 10px rgba(180, 120, 0, 0.18);
    border: 1px solid rgba(180, 120, 0, 0.25);
}

.prizes {
    margin-top: 5rem;
}

.prizes__grid {
    display: grid;
    gap: 1rem;
}

.prizes__card {
    width: 100%;
    border-radius: var(--radius-lg);
}


.step-panel {
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    /* background-color: var(--color-mint-panel); */
    color: var(--color-text-dark);
}

.step-panel--styles {
    background-image: url("../images/converted/background-cta-group.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0 0 1rem;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: clamp(3rem, 4.5vw, 3.75rem);
    height: clamp(3rem, 4.5vw, 3.75rem);
    border-radius: 50%;
    background: #fbe9d2;
    color: #0f5667;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    flex-shrink: 0;
    line-height: 1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.step-title {
    margin: 0;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: clamp(1.1rem, 2.8vw, 1.6rem);
    color: #ffffff;
    text-transform: none;
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.slots {
    display: grid;
    gap: 1.25rem;
}

.slot {
    position: relative;
    display: grid;
    gap: 1rem;
    justify-items: center;
}

.slot__frame {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border: 3px solid currentColor;
    border-radius: 28px;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    background: rgba(248, 249, 250, 0.95);
    box-shadow: 0 6px 18px rgba(10, 61, 50, 0.12);
    color: inherit;
}

.slot__frame[data-has-image="true"][data-can-drag="true"] {
    cursor: grab;
    touch-action: none;
}

.slot__frame[data-has-image="true"][data-can-drag="true"][data-dragging="true"] {
    cursor: grabbing;
}

.slot__title-banner {
    position: absolute;
    top: 0.65rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    /* max-width: 300px; */
    height: auto;
    z-index: 3;
    pointer-events: none;
    object-fit: contain;
    object-position: center top;
}

.slot__indicator {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 4;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    border: 2px solid currentColor;
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit;
    pointer-events: none;
}

.slot__indicator[data-state="uploaded"],
.slot__indicator[data-state="focused"] {
    background: #fff;
}

.slot__indicator[data-state="uploaded"]::after,
.slot__indicator[data-state="focused"]::after {
    content: "";
    width: 0.38rem;
    height: 0.62rem;
    border: solid currentColor;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.slot__indicator[data-state="focused"] {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.55);
}

.slot__preview {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 1;
    transform-origin: center center;
    /* Không dùng transition khi drag — sẽ được bật lại bằng JS sau khi thả */
    transition: none;
    pointer-events: none;
    will-change: transform;
}

.slot__placeholder {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(10, 61, 50, 0.35);
    font-size: 0.88rem;
    font-weight: 500;
    display: none;
}

.slot__upload-icon {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    margin: 0.5rem auto 0;
    border: 0;
    padding: 0;
    background: transparent;
    cursor: pointer;
}

.slot__upload-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.slot__zoom {
    width: 100%;
    max-width: 100%;
    display: grid;
    gap: 0.1rem;
    margin: 0.5rem auto 0;
    color: inherit;
}

.slot__zoom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
}

.slot__zoom-label {
    flex: 1;
    margin: 0;
    font-size: 0.75rem;
    font-weight: 700;
    font-style: italic;
    text-align: center;
    color: rgba(10, 61, 50, 0.7);
    white-space: nowrap;
}

.slot__zoom-row button {
    border: 0;
    padding: 0;
    background: transparent;
    color: currentColor;
    font-size: 1.15rem;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    min-width: 1.25rem;
    text-align: center;
    opacity: 0.85;
}

.slot__zoom-row [data-zoom-out] {
    text-align: left;
}

.slot__zoom-row [data-zoom-in] {
    text-align: right;
}

.slot__zoom-row button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.slot__zoom-row button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.85);
    outline-offset: 2px;
    border-radius: 999px;
}

.slot__zoom-row button:active:not(:disabled) {
    transform: scale(0.96);
}

.slot__zoom input[type="range"] {
    width: 100%;
    height: 1rem;
    margin: 0;
    appearance: none;
    background: transparent;
    cursor: pointer;
    color: inherit;
    accent-color: var(--slot-accent, currentColor);
}

.slot__zoom input[type="range"]:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.slot__zoom input[type="range"]:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.85);
    outline-offset: 2px;
    border-radius: 999px;
}

.slot__zoom input[type="range"]::-webkit-slider-runnable-track {
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(to right,
            currentColor 0%,
            currentColor var(--zoom-pct, 20%),
            rgba(10, 61, 50, 0.22) var(--zoom-pct, 20%),
            rgba(10, 61, 50, 0.22) 100%);
}

.slot__zoom input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    margin-top: 0;
    border-radius: 50%;
    background: currentColor;
    border: 2.5px solid #fff;
    box-shadow: 0 0 0 2px currentColor, 0 2px 6px rgba(0, 0, 0, 0.28);
}

.slot__zoom input[type="range"]::-moz-range-track {
    height: 14px;
    border-radius: 999px;
    background: rgba(10, 61, 50, 0.22);
}

.slot__zoom input[type="range"]::-moz-range-progress {
    height: 14px;
    border-radius: 999px;
    background: currentColor;
}

.slot__zoom input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: currentColor;
    border: 2.5px solid #fff;
    box-shadow: 0 0 0 2px currentColor, 0 2px 6px rgba(0, 0, 0, 0.28);
}

.slot__name {
    margin: 0;
    text-align: center;
    font-weight: 600;
    color: currentColor;
}

.slot__error {
    margin: 0;
    color: #b3261e;
    font-size: 0.8rem;
    text-align: center;
}

.slot[data-accent="lady"] {
    color: var(--color-lady);
    --slot-accent: var(--color-lady);
}

.slot[data-accent="darling"] {
    color: var(--color-darling);
    --slot-accent: var(--color-darling);
}

.slot[data-accent="muse"] {
    color: var(--color-muse);
    --slot-accent: var(--color-muse);
}

.step-panel--preview {
    padding: 1.5rem 0;
    background: none;
    border-radius: 0;
    box-shadow: none;
}

.step2__layout {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem 1.5rem;
}

.step2__canvas-wrap {
    position: relative;
    flex: 6 1 0;
    min-width: 0;
    line-height: 0;
    /* Match stretched border-all-style.png corner (~40px @ 576×719 → ~7% / 5.6%) */
    border-radius: 7% / 5.6%;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
    aspect-ratio: 1496 / 1896;
}

/* Canvas must be width/height 100% — auto+inset uses intrinsic 1496×1896 and breaks preview */
.step2__canvas-wrap canvas {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 0;
}

/* Display-only dashed border on top (transparent chrome; does not cover photos) */
.step2__border {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    z-index: 1;
}

.step2__cta {
    flex: 4 1 0;
    min-width: 0;
    display: grid;
    gap: 1rem;
    align-self: flex-start;
    padding: 3rem 2.75rem;
    border-radius: 28px;
    background-image: url("../images/converted/background-cta-group.webp");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Wrapper giữ tooltip độc lập với trạng thái disabled của button bên trong */
.btn-wrap {
    position: relative;
    display: block;
    width: 100%;
}

.btn-wrap .btn {
    width: 100%;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    border: 0;
    border-radius: var(--radius-pill);
    padding: 0.85rem 1.4rem;
    font: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

.btn__icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn--light {
    background: #ffffff;
    color: #084838;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn--primary {
    background: #084838;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(8, 72, 56, 0.3);
}

.btn--gold {
    background-color: #fbe9d2;
    color: #0a493e;
    text-transform: uppercase;
}

.register__panel {
    max-width: 100%;
    margin: 0 auto;
    padding: 2.25rem 2.5rem;
    border: 2px solid #fbe9d2;
    border-radius: var(--radius-lg);
    /* background: rgba(6, 55, 45, 0.92); */
}

.register__title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.8vw, 1.75rem);
    color: #ffffff;
    text-align: center;
    text-transform: uppercase;
    margin: 0 0 1.75rem;
}

.register__fields {
  width: 80%;
  margin: 0 auto;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
}

.field input {
    width: 100%;
    border: 0;
    border-radius: 10px;
    padding: 0.9rem 1.25rem;
    font: inherit;
    font-size: 1rem;
    background: #ffffff;
    color: #333;
}

.field input::placeholder {
    color: #888;
}

.field__label {
    display: none;
}

.field__error {
    color: #ffb4b4;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.consent {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    font-size: 0.875rem;
    /* color: var(--color-cream); */
    max-width: 90%;
    margin: 1.75rem auto 0;
}

[data-error-for="consent"] {
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.consent input[type="checkbox"] {
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.consent > span > a {
    color: var(--color-gold, #c9a84c);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 0.2s ease;
}

.consent > span > a:hover {
    opacity: 0.75;
}

.register__panel .btn--gold {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(100%, 17rem);
    padding: 1rem .75rem .75rem;
    font-size: 1.25rem;
    font-weight: 500;
    margin: 1.75rem auto 0;
    letter-spacing: 2px;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.25rem;
    transform: translateX(-50%);
    z-index: 50;
    max-width: min(92vw, 420px);
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    background: #12362e;
    border: 1px solid var(--color-cream);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* =========================================================
   SUCCESS POPUP
   ========================================================= */
.popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 61, 50, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 1.25rem;
}

.popup-overlay[hidden] {
    display: none;
}

.popup {
    width: min(92vw, 420px);
    background: linear-gradient(145deg, #0d4a3a, #083228);
    border: 1.5px solid var(--color-cream);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem 1.75rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    animation: popup-in 0.25s ease;
}

@keyframes popup-in {
    from { opacity: 0; transform: scale(0.92) translateY(12px); }
    to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.popup__message {
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-cream);
    text-align: center;
}

.popup__link {
    color: var(--color-gold);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.popup__link:hover {
    opacity: 0.85;
}

.popup__close {
    width: min(100%, 14rem);
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    letter-spacing: 1px;
}

/* ── Tooltip system ────────────────────────────────────────────── */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(20, 20, 20, 0.92);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 400;
    line-height: 1.45;
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 9999;
    width: max-content;
    max-width: 220px;
    white-space: normal;
    text-align: center;
}

[data-tooltip]::before {
    content: "";
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    border: 5px solid transparent;
    border-top-color: rgba(20, 20, 20, 0.92);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 9999;
}

[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

[data-tooltip]:hover::before,
[data-tooltip]:focus-visible::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Tooltip for upload trigger — mở xuống dưới */
.slot__upload-icon[data-tooltip]::after {
    bottom: auto;
    top: calc(100% + 10px);
    transform: translateX(-50%) translateY(-4px);
}
.slot__upload-icon[data-tooltip]::before {
    bottom: auto;
    top: calc(100% + 4px);
    transform: translateX(-50%) translateY(-4px);
    border-top-color: transparent;
    border-bottom-color: rgba(20, 20, 20, 0.92);
}
.slot__upload-icon[data-tooltip]:hover::after,
.slot__upload-icon[data-tooltip]:focus-visible::after {
    transform: translateX(-50%) translateY(0);
}
.slot__upload-icon[data-tooltip]:hover::before,
.slot__upload-icon[data-tooltip]:focus-visible::before {
    transform: translateX(-50%) translateY(0);
}

/* Zoom controls: tooltip mở lên */
[data-zoom-in][data-tooltip]::after,
[data-zoom-out][data-tooltip]::after {
    max-width: 130px;
}

/* ── Hashtag instruction bar ─────────────────────────────────── */
.hashtag-bar {
    font-size: .8rem;
    color: rgba(10, 61, 50, 0.7);
    line-height: 1.8;
    padding: 0.4rem 0 0;
    text-align: center;
    margin: 0;
}

.hashtag-bar__suffix {
    display: inline;
}

.hashtag-chip {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    gap: 0.25rem;
    background: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.18rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: #1a5c4a;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
    user-select: none;
    position: relative;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.hashtag-chip:hover {
    background: #f0faf7;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.18);
}

.hashtag-chip:active {
    transform: scale(0.96);
}

.hashtag-chip__icon {
    width: 11px;
    height: 11px;
    opacity: 0.7;
    flex-shrink: 0;
}

.hashtag-chip--copied::after {
    content: "Đã copy!";
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #22c55e;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.22rem 0.5rem;
    border-radius: 6px;
    pointer-events: none;
    white-space: nowrap;
    animation: fadeUpOut 1.4s ease forwards;
}

@keyframes fadeUpOut {
    0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
    70%  { opacity: 1; transform: translateX(-50%) translateY(-6px); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* ── Hide reCAPTCHA badge ────────────────────────────────────────────────── */
.grecaptcha-badge {
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}