/* common.css - 모든 페이지에 공통으로 적용될 스타일 */

/* --- 1. 기본 및 초기화 --- */
:root {
    --bg-color-light: #f0f2f5;
    --bg-color-dark: #1a1a1a;
    --card-bg-light: rgba(255, 255, 255, 0.6);
    --card-bg-dark: rgba(50, 50, 50, 0.5);
    --text-color-light: #333;
    --text-color-dark: #e0e0e0;
    --accent-color: #007bff;
    --shadow-light: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --border-color-light: rgba(0, 0, 0, 0.1);
    --border-color-dark: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.6;
}

body.dark-mode {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}

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

/* --- 2. 배경 디자인 --- */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    z-index: -1;
}

/* --- 3. 공통 레이아웃 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

header .logo {
    font-size: 1.8rem;
    font-weight: 700;
}

footer {
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
    font-size: 0.9rem;
    background: var(--card-bg-light);
    backdrop-filter: blur(5px);
    border-top: 1px solid var(--border-color-light);
}
body.dark-mode footer {
    background: var(--card-bg-dark);
    border-top: 1px solid var(--border-color-dark);
}

/* --- 4. 공통 컴포넌트 --- */
#theme-toggle {
    cursor: pointer;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--text-color-light);
    transition: color 0.3s;
}
body.dark-mode #theme-toggle {
    color: var(--text-color-dark);
}

/* 글래스모피즘 카드 기본 스타일 */
.glass-card {
    background: var(--card-bg-light);
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px 40px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

body.dark-mode .glass-card {
    background: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* common.css - 모든 페이지에 공통으로 적용될 스타일 */

/* ... (기존 common.css 내용과 동일) ... */

/* --- 5. 추가된 공용 컴포넌트: 공유 버튼 --- */
.share-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 10px 20px;
    border: 1px solid var(--accent-color);
    border-radius: 50px;
   /* background-color: transparent; */
    color: var(--accent-color);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-button i {
    font-size: 1.1em;
}

.share-button:hover {
    background-color: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
}