* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --cp-space-bg: #2d165d;
    --cp-space-panel: #4d236d;
    --cp-space-muted: #8c76d2;
    --cp-space-card-top: 125px;
}

html,
body {
    margin: 0;
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    background: var(--cp-space-bg);
    color: #fff;
    font-family:
        'Source Han Sans SC', 'Noto Sans CJK SC', Arial, 'Helvetica Neue',
        Helvetica, sans-serif;
}

button {
    border: 0;
    padding: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.app-shell {
    width: 100%;
    max-width: 768px;
    min-height: 100vh;
    margin: 0 auto;
    background: var(--cp-space-bg);
}

.cp-space {
    position: relative;
    width: min(100vw, 768px);
    min-height: 100vh;
    margin: 0 auto;
    overflow: hidden;
    background: var(--cp-space-bg);
}

.cp-space::before,
.cp-space::after {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: '';
}

.cp-space::before {
    z-index: 0;
    background: url('./assets/space-bg.svg') center top / 100% auto repeat-y;
}

.cp-space::after {
    display: none;
}

.top-nav {
    position: relative;
    z-index: 2;
    height: 44px;
}

.back-button {
    position: absolute;
    left: 16px;
    top: 10px;
    width: 24px;
    height: 24px;
}

.back-button span {
    position: absolute;
    left: 8px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
}

.top-nav h1 {
    position: absolute;
    left: 50%;
    top: 12px;
    margin: 0;
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 0;
    text-align: center;
    transform: translateX(-50%);
}

.tab-bar {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    width: calc(100% - 32px);
    max-width: 343px;
    height: 47px;
    margin: 16px auto 0;
    padding: 0;
    border-radius: 27.5px;
    background: var(--cp-space-panel);
}

.tab-button {
    position: relative;
    height: 47px;
    color: var(--cp-space-muted);
    font-size: 18px;
    font-weight: 500;
    line-height: 18px;
    letter-spacing: 0;
    text-align: center;
}

.tab-button span {
    position: relative;
    z-index: 1;
}

.tab-button.is-active {
    color: #fff;
}

.tab-button.is-active::before {
    position: absolute;
    left: 50%;
    top: 0;
    width: min(130px, calc(100% + 16px));
    height: 47px;
    background: url('./assets/tab-active.png') center / 100% 100% no-repeat;
    content: '';
    transform: translateX(-50%);
}

.content-panel {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 18px 10px 40px;
}

.relation-list {
    display: grid;
    gap: 10px;
    justify-items: center;
    width: 100%;
}

.relation-card {
    position: relative;
    width: min(355px, calc(100vw - 20px));
    border-radius: 10px;
}

.relation-card img {
    display: block;
    width: 100%;
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}

.cancel-hotspot {
    position: absolute;
    left: 35%;
    bottom: 10%;
    width: 30%;
    height: 18%;
    border-radius: 999px;
}

.empty-state {
    width: min(355px, calc(100vw - 20px));
    margin: 0 auto;
    padding: 56px 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(77, 35, 109, 0.68);
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    line-height: 20px;
    text-align: center;
}

[dir='rtl'] .back-button span {
    transform: rotate(225deg);
}

@media (min-width: 769px) {
    .cp-space {
        width: 768px;
    }

    .content-panel {
        padding-right: 206px;
        padding-left: 206px;
    }
}