/**
 * 차트 관련 공통 CSS 변수 및 기본 스타일
 * 세 파일에서 공통으로 사용되는 CSS 변수와 기본 스타일
 */

:root {
    /* 색상 변수 */
    --primary-color: var(--color-primary);
    --primary-light: #e8f0fb;
    --primary-dark: var(--color-primary-hover);
    --accent-color: #3a9679;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;

    /* 텍스트 색상 */
    --text-color: #333;
    --text-light: #6c757d;
    --text-muted: #9ca3af;

    /* 배경 및 테두리 */
    --border-color: #e9ecef;
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --card-background: #ffffff;
    --hover-background: #f1f3f4;

    /* 그림자 */
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* 전환 효과 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* 테두리 반경 */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-small: 8px;

    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* 그리드 시스템 */
    --grid-line-color: #e0e0e0;
}

/* 기본 리셋 */
* {
    box-sizing: border-box;
}

/* 기본 버튼 스타일 (공통) */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    min-height: 42px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #a72835);
    color: white;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--text-light), var(--text-muted));
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* === Chart Section Header & Unified Actions === */
.chart-section-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    padding: 0.75rem 1.25rem !important;
    background: linear-gradient(135deg, #f8f9fa, #eef2f7) !important;
    border-bottom: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
}

.chart-section-header-main h4 {
    margin: 0 0 0.4rem 0 !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    color: var(--primary-dark) !important;
}

.chart-section-header-info {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 0.6rem !important;
    align-items: center !important;
}

.header-meta {
    font-size: 0.8rem !important;
    color: var(--text-light) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    background: rgba(255, 255, 255, 0.6) !important;
    padding: 0.15rem 0.5rem !important;
    border-radius: 4px !important;
    border: 1px solid rgba(0, 0, 0, 0.03) !important;
    line-height: normal !important;
}

.chart-status {
    padding: 0.15rem 0.6rem !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    line-height: normal !important;
}

.chart-status.draft {
    background: #fff3cd !important;
    color: #856404 !important;
}

.chart-status.admitted {
    background: #d1ecf1 !important;
    color: #0c5460 !important;
}

.chart-status.discharged {
    background: #d4edda !important;
    color: #155724 !important;
}

.chart-section-header-actions {
    display: flex !important;
    gap: 0.4rem !important;
    align-items: center !important;
}

/* Strict Unification for Header Buttons */
.chart-section-header-actions .btn {
    padding: 0 !important;
    /* Reset padding to use height/width for alignment */
    padding-left: 0.6rem !important;
    padding-right: 0.6rem !important;
    font-size: 0.82rem !important;
    min-height: 28px !important;
    height: 28px !important;
    max-height: 28px !important;
    border-radius: 6px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
    white-space: nowrap !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    line-height: 1 !important;
    vertical-align: middle !important;
}

.btn-edit-chart {
    background: color-mix(in srgb, var(--color-primary) 10%, transparent) !important;
    color: var(--primary-color) !important;
    border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent) !important;
}

.btn-edit-chart:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

.btn-copy-chart {
    background: rgba(58, 150, 121, 0.1) !important;
    color: var(--accent-color) !important;
    border: 1px solid rgba(58, 150, 121, 0.3) !important;
}

.btn-copy-chart:hover {
    background: var(--accent-color) !important;
    color: white !important;
}

.btn-close-chart {
    background: rgba(220, 53, 69, 0.05) !important;
    border: 1px solid rgba(220, 53, 69, 0.2) !important;
    color: var(--danger-color) !important;
    width: 28px !important;
    padding: 0 !important;
}

.btn-close-chart:hover {
    background: var(--danger-color) !important;
    color: white !important;
}

.btn-outline-secondary {
    background: #f8f9fa !important;
    color: #4b5563 !important;
    border: 1px solid #d1d5db !important;
}

.btn-outline-secondary:hover {
    background: #e5e7eb !important;
}