:root {
    --primary: #306D29;
    --primary-hover: #0D530E;
    --danger: #FF5555;
    --warning: #FF937E;
    --bg-color: #FBF5DD;
    --card-bg: #ffffff;
    --text-main: #2b2d42;
    --text-muted: #8d99ae;
    --border: #E7E1B1;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Pretendard', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-y: auto;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* 달력 세로 정렬 및 잘림 방지 스타일 */
#calendar-section {
    flex: 1;
    min-height: 0;

    padding: 10px;

    background: var(--card-bg);
    border-bottom: 2px solid var(--border);

    overflow: auto;

    z-index: 10;
}

#board-section {
    flex: 1;

    padding: 15px;

    position: relative;

    overflow-y: auto;

    background: var(--bg-color);
}
.btn {
    padding: 8px 16px; 
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.btn-outline { background: transparent; border: 1px solid #ccc; color: var(--text-main); }
.btn-outline:hover { background: #eee; }
.btn-warning { background: var(--warning); color: white; }
.btn-danger { background: var(--danger); color: white; }
.full-width { width: 100%; margin-top: 10px; padding: 12px; font-size: 1rem; }

.view-panel { display: none; animation: fadeIn 0.3s ease; }
.view-panel.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px; 
}
.board-header h2 { margin: 0; font-size: 1.3rem; color: var(--text-main); }

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px; 
}

.post-card {
    background: var(--card-bg);
    padding: 14px 18px; 
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border);
}
.post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
}
.post-card h3 { margin: 0 0 6px 0; font-size: 1.1rem; color: var(--primary); }
.post-card .author { font-size: 0.8rem; color: var(--text-muted); }

.form-container {
    max-width: 800px; margin: 0 auto; background: var(--card-bg); padding: 25px; border-radius: 14px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.form-container .form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-main); }
.form-group input[type="text"], .form-group input[type="password"], .form-group textarea {
    width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem; box-sizing: border-box; font-family: inherit;
}
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(48, 109, 41, 0.12); }

.modal {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 9999;
    display: none; 
    justify-content: center; align-items: center;
    backdrop-filter: blur(2px); 
}
.modal.active { display: flex; animation: fadeIn 0.2s ease; }
.modal-content {
    background: var(--card-bg); width: 90%; max-width: 750px; max-height: 80vh;
    overflow-y: auto; border-radius: 14px; padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15); box-sizing: border-box;
}
.color-swatch {
    width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1); transition: transform 0.2s, border 0.2s;
    border: 2px solid transparent;
}
.color-swatch:hover { transform: scale(1.15); border-color: var(--text-main); }

.detail-title { margin-top: 0; font-size: 1.8rem; color: var(--text-main); }
.detail-author { color: var(--text-muted); border-bottom: 2px solid var(--border); padding-bottom: 15px; margin-bottom: 15px; font-size: 0.9rem; }
.detail-image img { max-width: 100%; border-radius: 10px; margin-bottom: 20px; box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08); }
.detail-content { font-size: 1rem; line-height: 1.7; white-space: pre-wrap; }
.empty-state { text-align: center; color: var(--text-muted); padding: 30px; font-size: 1rem; width: 100%; grid-column: 1 / -1; }

/* FullCalendar 프레임 초기화 및 압축 스타일 */
.fc { height: 100% !important; }
.fc .fc-dom-1 { font-size: 0.9rem !important; }
.fc-toolbar { margin-bottom: 8px !important; padding: 2px 0; }
.fc-toolbar-title { font-weight: 700 !important; font-size: 1.25rem !important; }
.fc-button { padding: 4px 8px !important; font-size: 0.85rem !important; }
.fc-button-primary { background-color: var(--primary) !important; border-color: var(--primary) !important; }
.fc-daygrid-day-frame { min-height: unset !important; height: 100%; } 
.fc-scroller { overflow: auto !important; } 
.fc-daygrid-day:hover { cursor: pointer; background-color: #f8f9fa; }
.fc-scrollgrid { border-radius: 6px; overflow: hidden; }

@media (max-width: 768px) {

    #calendar-section {
        min-height: 350px;
        padding: 8px;
    }

    #board-section {
        padding: 10px;
    }

    .fc-toolbar-title {
        font-size: 1rem !important;
    }
}

@media (max-width: 768px) {

    #calendar-section {
        flex: 1;
        padding: 6px;
    }

    #board-section {
        flex: 1;
        padding: 8px;
    }

    .fc-toolbar-title {
        font-size: 1rem !important;
    }

    .fc-button {
        font-size: 0.75rem !important;
        padding: 3px 6px !important;
    }
}