@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
:root {
    --bg: #efcedb;
    --accent: #4f2b1f;
    --surface: rgba(0, 0, 0, 0.15);
    --surface-hover: rgba(255, 255, 255, 0.12);
    --radius: 14px;
    --transition: 0.25s ease;
}

body[data-theme="cream-teal"] { --bg: #ffefb3; --accent: #013e37; }
body[data-theme="wine-pink"] { --bg: #802b35; --accent: #ffdee2; }
body[data-theme="olive-cream"] { --bg: #9ca764; --accent: #f1e8c7; }
body[data-theme="pink-brown"] { --bg: #efcedb; --accent: #4f2b1f; }
body[data-theme="blue-brown"] { --bg: #a0beda; --accent: #34211b; }
body[data-theme="yellow-plum"] { --bg: #ffec8e; --accent: #631d3f; }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    font-family: "Poppins", sans-serif;
    background-color: var(--bg);
    color: var(--accent);
    transition: background-color var(--transition), color var(--transition);
}
button {
    font-family: inherit;
    -webkit-tap-highlight-color: transparent;
}
.game-container {
    position: relative;
    width: min(900px, 100%);
    min-height: 600px;
    padding: 40px;
    background: var(--surface);
    border: 2px solid var(--accent);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.top-settings-bar {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
}
.icon-btn {
    width: 42px;
    height: 42px;
    border: 2px solid var(--accent);
    border-radius: 12px;
    background: var(--bg);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.icon-btn:hover {
    transform: translateY(-2px);
    background: var(--accent);
    color: var(--bg);
}
.screen {
    display: none;
}
.screen.active {
    display: block;
    animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}
#menu-screen {
    text-align: center;
    padding: 30px 20px;
}
.logo {
    width: 84px;
    height: 84px;
    margin: 0 auto 36px;
    border-radius: 14px;
    background: var(--bg);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-heart-text {
    font-size: 52px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    user-select: none;
}
#menu-screen h1 {
    margin-bottom: 10px;
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
}
.description {
    max-width: 450px;
    margin: 0 auto 28px;
    font-size: 14px;
    opacity: 0.9;
}
.primary-btn, .secondary-btn, .danger-btn {
    border-radius: 12px;
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.primary-btn {
    border: 2px solid var(--accent);
    background: var(--accent);
    color: var(--bg);
}
.secondary-btn {
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
}
.secondary-btn:hover {
    background: var(--surface-hover);
}
.danger-btn {
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
}
.menu-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 20px;
}
.game-header-buttons {
    display: flex;
    gap: 8px;
}
.game-header-buttons .reset-btn {
    min-width: 110px;
    padding: 8px 14px;
}
.top-controls-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}
.top-controls-container .top-settings-bar {
    position: static;
    display: flex;
    gap: 6px;
}
.game-header h1 {
    font-size: clamp(20px, 4vw, 32px);
}
.reset-btn {
    border: 2px solid var(--accent);
    border-radius: 10px;
    padding: 8px 14px;
    background: transparent;
    color: var(--accent);
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}
.reset-btn:hover {
    background: var(--accent);
    color: var(--bg);
}
.scoreboard {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}
.score-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.score-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    opacity: 0.8;
}
.score-num {
    font-size: 38px;
    font-weight: 700;
}
.score-divider {
    font-size: 24px;
    opacity: 0.5;
}
.battle {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    align-items: center;
    gap: 15px;
    max-width: 650px;
    margin: 0 auto;
}
.card {
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.05);
}
.card-title {
    align-items:center;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}
.choice-display {
    font-size: 36px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.choice-name {
    font-size: 13px;
    opacity: 0.8;
}
.vs {
    text-align: center;
    font-weight: 700;
    opacity: 0.6;
}
.result {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin-top: 25px;
    min-height: 27px;
}
#round-status {
    text-align: center;
    font-size: 13px;
    opacity: 0.8;
    margin-top: 4px;
}
.choices {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    max-width: 650px;
    margin: 20px auto 0;
}
.choice-btn {
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    padding: 18px;
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}
.choice-btn:hover {
    background: var(--accent);
    color: var(--bg);
    transform: translateY(-3px);
}
#end-screen {
    text-align: center;
    padding: 40px 20px;
}
.final-score {
    font-size: 36px;
    font-weight: 700;
    margin: 20px 0 30px;
}
.end-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}
.modal {
    position: fixed;
    inset: 0;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.65);
    z-index: 100;
}
.modal.active {
    display: flex;
}
.modal-content {
    position: relative;
    width: min(480px, 100%);
    padding: 32px;
    background: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 20px;
    color: var(--accent);
}
.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 26px;
    cursor: pointer;
    line-height: 1;
}
.auth-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}
.auth-inputs input {
    width: 100%;
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-family: inherit;
    outline: none;
}
.auth-inputs input::placeholder {
    color: var(--accent);
    opacity: 0.6;
}
.gender-selection {
    display: flex;
    gap: 12px;
    margin: 8px 0;
}
.gender-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.gender-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 8px;
    border: 2px solid var(--accent);
    border-radius: var(--radius);
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.gender-btn:hover {
    background: var(--surface-hover);
}
.gender-btn:has(input[type="radio"]:checked) {
    background: var(--accent);
    color: var(--bg);
}
.gender-btn:has(input[type="radio"]:checked) .gender-icon {
    stroke: var(--bg);
}
.gender-icon {
    transition: stroke var(--transition);
}
.auth-buttons {
    display: flex;
    gap: 10px;
}
.auth-buttons button {
    flex: 1;
}
.error-text {
    font-size: 12px;
    color: #ff5555;
    margin-top: 4px;
}
.ui-icon-small {
    width: 18px;
    height: 18px;
    object-fit: contain;
    vertical-align: middle;
}
.join-date-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 6px;
    font-size: 13px;
}
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.setting-title {
    font-weight: 600;
    font-size: 14px;
}
.theme-preset-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.theme-preset-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 2px solid var(--accent);
    background: linear-gradient(135deg, var(--c1) 50%, var(--c2) 50%);
    cursor: pointer;
    transition: var(--transition);
}
.theme-preset-btn:hover {
    transform: scale(1.1);
}
.setting-language {
    display: flex;
    gap: 6px;
}
.setting-lang-btn {
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: transparent;
    color: var(--accent);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}
.setting-lang-btn.active {
    background: var(--accent);
    color: var(--bg);
}
.sound-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid var(--accent);
    border-radius: 8px;
    background: transparent;
    color: var(--accent);
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
}
.close-settings-btn {
    width: 100%;
    margin-top: 20px;
}
.statistics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 15px 0;
}
.stat-card {
    padding: 12px;
    border: 1px solid var(--accent);
    border-radius: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
}
.win-rate {
    text-align: center;
    margin-bottom: 15px;
    font-weight: 600;
    font-size: 14px;
}
.choice-statistics {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
    margin-bottom: 15px;
}
.choice-statistics h3 {
    font-size: 12px;
    text-align: center;
    margin-bottom: 8px;
    opacity: 0.8;
}
.choice-stat {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    padding: 3px 0;
}
.profile-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.main-title-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 16px;
    color: var(--accent);
}
.main-title-svg .title-icon {
    width: clamp(32px, 5vw, 48px);
    height: clamp(32px, 5vw, 48px);
}
.main-title-svg span {
    font-size: clamp(24px, 4vw, 36px);
    opacity: 0.7;
}
.icon-only-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
}
.ui-icon-svg {
    vertical-align: middle;
    stroke: var(--accent);
}
.report-textarea {
    width: 100%;
    background: transparent;
    border: 1.5px solid var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    padding: 12px 16px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}
.report-textarea::placeholder {
    color: var(--accent);
    opacity: 0.6;
}
.privacy-text {
    font-size: 13px;
    line-height: 1.5;
    margin: 15px 0;
    max-height: 250px;
    overflow-y: auto;
    text-align: left;
}
.privacy-text a {
    color: var(--accent);
    text-decoration: underline;
    font-weight: bold;
}
.privacy-text a:hover {
    opacity: 0.8;
}
.creator-tab-container {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 99;
}
.creator-tab-btn {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 8px;
    background-color: var(--surface);
    border: 2px solid var(--accent);
    border-radius: 20px;
    color: var(--accent);
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: var(--transition);
    overflow: hidden;
}
.creator-tab-btn .hover-text {
    max-width: 0;
    opacity: 0;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.creator-tab-btn:hover {
    padding: 8px 14px;
    gap: 8px;
    background-color: var(--accent);
    color: var(--bg);
}
.creator-tab-btn:hover .hover-text {
    max-width: 200px;
    opacity: 1;
}
.creator-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}
.github-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 16px;
    color: inherit;
    text-decoration: none;
    padding: 10px 18px;
    border: 1.5px solid var(--accent);
    border-radius: 8px;
    transition: var(--transition);
}
.github-link:hover {
    background-color: var(--surface-hover);
}
.copyright-text {
    font-size: 14px;
    opacity: 0.8;
}
@media (max-width: 600px) {
    .game-container { padding: 20px; }
    .game-header {
        padding-right: 0;
        margin-top: 40px;
        flex-direction: column;
        gap: 10px;
    }
    .battle {
        grid-template-columns: 1fr;
    }
    .vs {
        margin: -5px 0;
    }
}
@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    .game-container {
        width: 100%;
        min-height: calc(100vh - 20px);
        padding: 20px 14px;
        border-radius: 18px;
    }
    .top-settings-bar {
        top: 12px;
        right: 12px;
        gap: 6px;
        align-items: center;
    }
    .icon-btn {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }
    #menu-screen {
        padding: 55px 5px 20px;
    }
    .logo {
        width: 72px;
        height: 72px;
        margin-bottom: 24px;
    }
    .logo-heart-text {
        font-size: 44px;
    }
    #menu-screen h1 {
        font-size: 30px;
    }
    .description {
        font-size: 13px;
        margin-bottom: 22px;
    }
    .menu-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .primary-btn, .secondary-btn, .danger-btn {
        width: 100%;
        padding: 13px 20px;
    }
    .game-header {
        margin-top: 45px;
        margin-bottom: 15px;
        align-items: center;
    }
    .game-header h1 {
        font-size: 24px;
    }
    .game-header-buttons {
        width: 100%;
        flex-direction: column;
        gap: 8px;
    }
    .game-header-buttons .reset-btn {
        width: 100%;
        min-width: 0;
    }
    .top-controls-container {
        width: 100%;
        align-items: stretch;
    }
    .top-controls-container .top-settings-bar {
        justify-content: center;
    }
    .scoreboard {
        gap: 25px;
        margin-bottom: 22px;
    }
    .score-num {
        font-size: 32px;
    }
    .battle {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .card {
        min-height: 135px;
        padding: 15px;
    }
    .choice-display {
        font-size: 32px;
        height: 42px;
    }
    .vs {
        margin: 0;
    }
    .result {
        margin-top: 18px;
        font-size: 16px;
    }
    .choices {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 16px;
    }
    .choice-btn {
        padding: 14px;
    }
    #end-screen {
        padding: 50px 5px 20px;
    }
    .final-score {
        font-size: 32px;
        margin: 18px 0 25px;
    }
    .end-buttons {
        flex-direction: column;
        gap: 10px;
    }
    .end-buttons button {
        width: 100%;
    }
    .modal {
        padding: 10px;
    }
    .modal-content {
        width: 100%;
        max-height: calc(100vh - 20px);
        overflow-y: auto;
        padding: 25px 18px;
        border-radius: 16px;
    }
    .modal-close {
        top: 14px;
        right: 14px;
    }
    .gender-selection {
        gap: 8px;
    }
    .gender-btn {
        padding: 10px 6px;
        font-size: 12px;
    }
    .auth-buttons {
        flex-direction: column;
        gap: 8px;
    }
    .setting-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .theme-preset-options {
        justify-content: flex-start;
    }
    .setting-language {
        width: 100%;
    }
    .setting-lang-btn {
        flex: 1;
    }
    .sound-toggle {
        width: 100%;
        justify-content: center;
    }
    .statistics-grid {
        grid-template-columns: 1fr 1fr;
    }
    .main-title-svg {
        gap: 10px;
        margin-bottom: 12px;
    }
    .main-title-svg span {
        font-size: 22px;
    }
    .icon-only-btn {
        width: 100%;
    }
    .creator-tab-container {
        bottom: 10px;
        right: 10px;
    }
    .creator-tab-btn {
        padding: 7px;
    }
    .creator-tab-btn:hover {
        padding: 7px 10px;
    }
    .creator-info {
        margin: 18px 0;
    }
    .github-link {
        width: 100%;
        justify-content: center;
        font-size: 14px;
    }
}