@charset "UTF-8";
/* UTF-8 지정 */

/* ==============================
       기본 리셋 및 변수 정의
    ============================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --header-h: 50px;
    --footer-h: 50px;
    --side-w: 190px;
    --main-bg: #d0d0d0;
    --cup-dark: #555555;
    --cup-rim: #666666;
    --btn-bg: #b8b8b8;
    --btn-shadow: #999999;
    --text-dark: #222;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: #ffffff;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    user-select: none;
}

/* ==============================
       헤더 / 푸터
    ============================== */
header,
footer {
    height: var(--header-h);
    background: #2b2b2b;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 24px;
}

header span {
    color: #ccc;
    font-size: 13px;
    letter-spacing: 1px;
    opacity: 0.7;
}

/* ==============================
       페이지 레이아웃
    ============================== */
.page-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* 데스크탑 사이드 패널 (흰 여백) */
.side-panel {
    width: var(--side-w);
    background: #fff;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .side-panel {
        display: none;
    }
}

/* 메인 컨텐츠 영역 (회색 배경) */
#mainArea {
    flex: 1;
    background: var(--main-bg);
    position: relative;
    overflow: hidden;
}

/* ==============================
       컨트롤 버튼 영역 (좌상단)
    ============================== */
.controls {
    position: absolute;
    top: 24px;
    left: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (max-width: 600px) {
    .controls {
        top: 14px;
        left: 14px;
        gap: 8px;
    }
}

/* 공통 버튼 스타일 */
.btn {
    padding: 10px 22px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    transition: transform 0.1s, filter 0.1s;
    box-shadow: 0 3px 0 var(--btn-shadow);
    position: relative;
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 var(--btn-shadow);
}

.btn:hover {
    filter: brightness(1.08);
}

/* 액체 변경 버튼: 연한 회색 */
.btn-change {
    background: #b8b8b8;
}

/* 초기화 버튼: 약간 더 어두운 회색 */
.btn-reset {
    background: #9e9e9e;
}

@media (max-width: 600px) {
    .btn {
        padding: 8px 14px;
        font-size: 12px;
    }
}

/* ==============================
       드롭다운 (액체 선택 목록)
    ============================== */
.dropdown-wrapper {
    position: relative;
}

.dropdown {
    position: absolute;
    top: 0;
    left: calc(100% + 6px);
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
    z-index: 300;
    min-width: 130px;
    animation: dropIn 0.15s ease;
}

.dropdown.hidden {
    display: none;
}

@keyframes dropIn {
    from {
        opacity: 0;
        transform: translateX(-6px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 13px 18px;
    border: none;
    border-bottom: 1px solid #eee;
    background: #fff;
    text-align: center;
    cursor: pointer;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    transition: background 0.12s;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: #f4f4f4;
}

.dropdown-item.selected {
    background: #e8f3ff;
    font-weight: 700;
    color: #2255aa;
}

/* ==============================
       컵 요소
    ============================== */
.cup-wrapper {
    position: absolute;
    /* JS로 크기/위치 동적 설정 */
}

/* 컵 바깥 모양: 사다리꼴 (위가 넓고 아래가 좁은 유리컵) */
.cup-outer {
    width: 100%;
    height: 100%;
    position: relative;
}

/* SVG 컵 + 액체 렌더링 */
.cup-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* 드래그 커서 표시 (움직이는 컵) */
.cup-wrapper.movable {
    cursor: grab;
}

.cup-wrapper.movable:active {
    cursor: grabbing;
}

/* ==============================
       따르기 스트림 캔버스
    ============================== */
#pourCanvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 100;
}

/* ==============================
       UI 안내 텍스트
    ============================== */
#guideText {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    padding: 8px 18px;
    font-size: 13px;
    color: #555;
    white-space: nowrap;
    pointer-events: none;
    transition: opacity 0.4s;
}

#pourMsg {
    position: absolute;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #337;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

#pourMsg.show {
    opacity: 1;
}

/* 액체 레벨 표시 */
.level-badge {
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 11px;
    border-radius: 10px;
    padding: 2px 8px;
    white-space: nowrap;
}