/* style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #f5f5f5;
    --secondary-color: #ffffff;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;

    /* Radius */
    --radius-sm: 0.625rem;
    --radius-md: 0.75rem;
    --radius-lg: 0.875rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;

    /* Typography */
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.25rem;
    --text-title-tight: 0.95rem;

    /* Component Sizes */
    --size-avatar: 6rem;
    --size-share-button: 2.5rem;
    --size-profile-link: 2.25rem;
    --size-card-media: 3.5rem;
    --size-share-item: 3.5rem;
    --size-share-icon: 3rem;
    --size-arrow-button: 2.25rem;
    --size-arrow-icon: 1rem;
    --modal-width: 32.5rem;
    --modal-qr-size: 15rem;
    --card-image-offset: 1rem;
    --size-spacer-card: 0.75rem;

    /* Shadows */
    --shadow-card: 0 0.625rem 1.5rem rgba(0, 0, 0, 0.16);
    --shadow-soft: 0 0.625rem 1.5rem rgba(0, 0, 0, 0.12);
}

/* 全域字體與文字顏色 */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Helvetica, Arial, sans-serif;
    color: #222;
    background-color: var(--secondary-color);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 區塊背景色，暫時用來區分 */
header {
    /* background-color: var(--primary-color); */
    min-width: 3.75rem;
    padding: var(--space-5) 0;
}

.header-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.share-button {
    width: var(--size-share-button);
    height: var(--size-share-button);
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 999px;
    background-color: #f5f5f5;
    cursor: pointer;
}

.share-button img {
    width: 1.4375rem;
    height: 1.625rem;
}

.share-button:hover {
    background-color: #ebebeb;
}

.share-button:focus-visible,
.modal-close:focus-visible,
.share-carousel-item:focus-visible,
.share-carousel-button:focus-visible,
.profile-links a:focus-visible,
.cards-container a:focus-visible {
    outline: 2px solid #222;
    outline-offset: 0.125rem;
}

a {
    text-decoration: none;
    color: inherit;
}

main {
    background-color: transparent;
    flex-grow: 1;
    padding: var(--space-5) 0;
}

.main-container {
    display: grid;
    gap: var(--space-8);
}

.profile-section {
    display: grid;
    justify-items: center;
    gap: var(--space-3);
    text-align: center;
}

.profile-avatar {
    width: var(--size-avatar);
    height: var(--size-avatar);
    border-radius: 999px;
    object-fit: cover;
    background-color: #f5f5f5;
}

.profile-name {
    font-size: var(--text-lg);
    font-weight: 700;
    line-height: 1.2;
}

.profile-role {
    color: #555;
}

.profile-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.profile-links a {
    display: grid;
    place-items: center;
}

.profile-links img {
    width: 1.625rem;
    height: 1.625rem;
}

.profile-description {
    max-width: 32ch;
    color: #555;
    white-space: pre-line;
}

.cards-container {
    min-width: 0;
}

.cards-list {
    display: grid;
    gap: var(--space-4);
    list-style: none;
}

.card-item {
    min-width: 0;
}

.card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: #ffffff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.card-link,
.card-image {
    text-decoration: none;
    color: inherit;
}

.card-media {
    width: var(--size-card-media);
    height: var(--size-card-media);
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: var(--radius-lg);
    background-color: #f5f5f5;
    overflow: hidden;
}

.card-media-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
}

.card-content span {
    color: #555;
}

.card-item-title {
    padding: 0;
}

.card-item-title-left {
    text-align: left;
}

.card-item-title-center {
    text-align: center;
}

.card-block-title {
    font-size: var(--text-base);
    font-weight: 700;
    line-height: 1.4;
}

.card-title {
    justify-content: center;
}

.card-text {
    display: grid;
    gap: var(--space-2);
}

.card-block-description {
    color: #555;
    white-space: pre-line;
}

.card-item-spacer {
    height: var(--size-spacer-card);
}

.card-image {
    position: relative;
    min-height: 0;
    padding: 0;
    display: block;
    overflow: hidden;
    background-color: #ffffff;
}

.card-image-media {
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
    object-fit: contain;
}

.card-image-label {
    position: absolute;
    left: var(--card-image-offset);
    max-width: calc(100% - (var(--card-image-offset) * 2));
    padding: 0.1875rem 0.5625rem;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.92);
    color: #222;
    box-shadow: var(--shadow-soft);
    letter-spacing: -0.01em;
    line-height: 1.25;
}

.card-image-label-top {
    top: var(--card-image-offset);
    font-weight: 700;
    font-size: var(--text-title-tight);
}

.card-image-label-bottom {
    bottom: var(--card-image-offset);
    white-space: pre-line;
    color: #555;
    font-size: var(--text-sm);
}

.modal[hidden] {
    display: none;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: var(--space-5);
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.45);
}

.modal-panel {
    position: relative;
    width: min(100%, var(--modal-width));
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    background-color: #ffffff;
    box-shadow: var(--shadow-card);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: 999px;
    background-color: #f5f5f5;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
}

.modal-content {
    display: grid;
    justify-items: center;
    gap: var(--space-5);
    text-align: center;
}

.modal-content > * {
    min-width: 0;
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 700;
}

.modal-qr {
    width: min(100%, var(--modal-qr-size));
    min-height: var(--modal-qr-size);
    display: grid;
    place-items: center;
    padding: var(--space-3);
    border-radius: var(--radius-xl);
    background-color: #f5f5f5;
    color: #555;
}

.modal-qr canvas,
.modal-qr img {
    width: 100%;
    height: auto;
    display: block;
}

.modal-link {
    max-width: 32ch;
    color: #555;
    word-break: break-all;
}

.share-carousel {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    margin: calc(var(--space-3) * -1) 0 0;
}

.share-carousel-track {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.share-carousel-track::-webkit-scrollbar {
    display: none;
}

.share-carousel-item {
    flex: 0 0 auto;
    width: var(--size-share-item);
    display: grid;
    justify-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.share-carousel-icon {
    width: var(--size-share-icon);
    height: var(--size-share-icon);
    display: grid;
    place-items: center;
    border-radius: 999px;
    background-color: #f5f5f5;
}

.share-carousel-icon img,
.share-carousel-icon svg {
    width: var(--size-share-icon);
    height: var(--size-share-icon);
    display: block;
}

.share-carousel-label {
    font-size: var(--text-sm);
    line-height: 1.3;
    color: #555;
    width: max-content;
    max-width: 5.25rem;
    text-align: center;
    white-space: normal;
}

.share-carousel-button {
    position: absolute;
    top: 2.25rem;
    transform: translateY(-50%);
    width: var(--size-arrow-button);
    height: var(--size-arrow-button);
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.share-carousel-button img {
    width: var(--size-arrow-icon);
    height: var(--size-arrow-icon);
    display: block;
}

.share-carousel-button-prev {
    left: 0;
}

.share-carousel-button-next {
    right: 0;
}

@media (hover: hover) and (pointer: fine) {
    .share-carousel:hover .share-carousel-button:not([hidden]),
    .share-carousel:focus-within .share-carousel-button:not([hidden]) {
        opacity: 1;
        pointer-events: auto;
    }
}

@media (hover: none), (pointer: coarse) {
    .share-carousel-button {
        display: none;
    }
}

footer {
    /* background-color: var(--primary-color); */
    min-width: 3.75rem;
    padding: var(--space-5) 0;
}

.wrapper {
    max-width: 32.5rem; /* 最大寬度 */
    margin: 0 auto;   /* 水平置中 */
    padding: 0 var(--space-5);  /* 左右內距，避免貼邊 */
}