/* YouTube Studio Pro Premium Theme (Light & Dark Support) */
:root {
    /* 라이트 모드 (기본) - 화사한 글래스모피즘 & 플랫 믹스 */
    --bg-dark: #f8fafc; /* 앱 배경 */
    --bg-panel: #ffffff; /* 카드 배경 */
    --bg-panel-hover: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent: #3ea6ff; /* 프라이머리 액센트 */
    --accent-hover: #0284c7;
    --border: #e2e8f0;
    --danger: #ef4444;
    
    --font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
}

[data-theme="dark"] {
    /* 다크 모드 (유튜브 스튜디오 스타일) */
    --bg-dark: #0f0f0f;
    --bg-panel: #212121;
    --bg-panel-hover: #3d3d3d;
    --text-primary: #f1f1f1;
    --text-secondary: #aaaaaa;
    --accent: #3ea6ff;
    --accent-hover: #65b8ff;
    --border: #3d3d3d;
    --danger: #ff4e45;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
/* body 강제 스타일 제거: main.css의 글로벌 스타일을 상속받음 */

/* Sidebar */
.pro-sidebar {
    width: 250px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.pro-sidebar-header {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.pro-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}
.pro-nav-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s;
}
.pro-nav-item:hover, .pro-nav-item.active {
    background-color: var(--bg-panel-hover);
}
.pro-nav-item.active {
    border-left: 4px solid var(--accent);
}

/* Main Content */
.pro-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.pro-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pro-content {
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Cards & Forms (Glassmorphism / Premium Look) */
.pro-card {
    background-color: var(--bg-panel);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.pro-card-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 500;
}
.pro-input-group {
    margin-bottom: 20px;
}
.pro-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.pro-input, .pro-select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.pro-input:focus, .pro-select:focus {
    border-color: var(--accent);
}
.pro-btn {
    background-color: var(--accent);
    color: var(--bg-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}
.pro-btn:hover {
    background-color: var(--accent-hover);
}

/* Custom Modal */
.pro-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.pro-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.pro-modal {
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 400px;
    max-width: 90%;
    padding: 24px;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.pro-modal-overlay.active .pro-modal {
    transform: translateY(0);
}
.pro-modal-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: bold;
}
.pro-modal-body {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}
.pro-modal-footer {
    display: flex;
    justify-content: flex-end;
}
.pro-modal-close-btn {
    background-color: transparent;
    color: var(--accent);
    border: none;
    padding: 8px 16px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
}
.pro-modal-close-btn:hover {
    background-color: rgba(62, 166, 255, 0.1);
    border-radius: 4px;
}

/* Result Table / Chart area */
.pro-result-box {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid var(--border);
}
.pro-result-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.pro-result-row:last-child {
    border-bottom: none;
}
.pro-result-label { color: var(--text-secondary); }
.pro-result-value { font-weight: bold; color: var(--accent); }

/* 프리미엄 대시보드 레이아웃 & 인사이트 패널 공통 스타일 */
.pro-dashboard-layout { display: flex; flex-direction: column; gap: 20px; }
@media(min-width: 900px) {
    .pro-dashboard-layout { display: grid; grid-template-columns: 2fr 1fr; align-items: start; }
}
.pro-insight-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.pro-insight-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.pro-insight-title.color-loan { color: #8b5cf6; }
.pro-insight-title.color-area { color: #10b981; }
.pro-insight-title.color-salary { color: #3b82f6; }
.pro-insight-title.color-bmi { color: #ec4899; }

.pro-insight-item { margin-bottom: 15px; }
.pro-insight-item h5 { font-size: 0.95rem; color: var(--text-primary); margin: 0 0 5px 0; }
.pro-insight-item p { font-size: 0.85rem; color: var(--text-secondary); margin: 0; line-height: 1.5; }