:root {
    --primary-color: #2c3e50; --accent-color: #3498db; --bg-color: #f4f6f8;
    --sidebar-bg: #ffffff; --card-bg: #ffffff; --modal-bg: #ffffff;
    --input-bg: #ffffff; --text-dark: #333333; --text-light: #7f8c8d;
    --border-color: #e0e0e0; --hover-bg: #e2e6ea; --danger-color: #e74c3c;
}

[data-theme="dark"] {
    --primary-color: #1a252f; --accent-color: #2980b9; --bg-color: #121212;
    --sidebar-bg: #1e1e1e; --card-bg: #1e1e1e; --modal-bg: #242424;
    --input-bg: #2d2d2d; --text-dark: #e0e0e0; --text-light: #a0a0a0;
    --border-color: #333333; --hover-bg: #2c2c2c;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
body { background-color: var(--bg-color); color: var(--text-dark); height: 100vh; overflow: hidden; }
.app-container { display: flex; height: 100%; }
a { color: var(--accent-color); text-decoration: none; }
a:hover { text-decoration: underline; }

.sidebar { width: 330px; background-color: var(--sidebar-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 20px; }
.sidebar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.brand-container { display: flex; align-items: center; gap: 10px; }
.app-logo { width: 32px; height: 32px; object-fit: contain; border-radius: 6px; }
.sidebar-header h2 { color: var(--text-dark); font-size: 1.4rem; }
.sidebar-content { margin-top: 15px; overflow-y: auto; flex:1; }

.folder-group { margin-bottom: 15px; }
.folder-header { display: flex; justify-content: space-between; align-items: center; background: var(--hover-bg); padding: 8px 10px; border-radius: 5px; font-weight: bold; margin-bottom: 5px;}
.folder-header span { display: flex; align-items: center; gap: 5px; }

.folder-actions { display: flex; gap: 5px; }
.small-btn { background: var(--sidebar-bg); border: 1px solid var(--border-color); color: var(--text-dark); padding: 3px 8px; border-radius: 4px; font-size: 0.75rem; cursor: pointer; font-weight: bold;}
.small-btn:hover { background: var(--bg-color); }
.small-danger { color: var(--danger-color); }
.small-danger:hover { background: var(--danger-color); color: white; border-color: var(--danger-color); }

.case-list { list-style: none; padding-left: 10px; }
.case-item { padding: 8px 10px; margin-bottom: 3px; background: var(--bg-color); border-radius: 5px; cursor: pointer; color: var(--text-dark); display: flex; justify-content: space-between; align-items: center; font-size: 0.95rem; }
.case-item:hover { background: var(--hover-bg); filter: brightness(0.95); }
.case-item.active { background: var(--accent-color); color: white; }
.case-item-title { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.btn { padding: 10px 15px; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; }
.primary-btn { background: var(--accent-color); color: white; width: 100%; }
.primary-btn:hover { opacity: 0.9; }
.secondary-btn { background: var(--primary-color); color: white; }
.danger-btn { background: var(--danger-color); color: white; width: 100%; }
.text-btn { background: none; color: var(--accent-color); padding: 5px 0; }
.theme-btn { background: transparent; color: var(--text-dark); border: 1px solid var(--border-color); width: 100%;}

.workspace { flex: 1; padding: 30px; overflow-y: auto; }
.empty-state { display: flex; justify-content: center; align-items: center; height: 100%; color: var(--text-light); }
.hidden { display: none !important; }
.case-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; border-bottom: 2px solid var(--border-color); padding-bottom: 10px; }

.blocks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.info-card { position: relative; background: var(--card-bg); border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); padding: 20px; border-top: 4px solid var(--accent-color); border: 1px solid var(--border-color); }
.info-card-header { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; padding-right: 70px; }
.info-card-img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; background: var(--primary-color); color: white; display: flex; justify-content: center; align-items: center; font-size: 1.5rem; font-weight: bold; flex-shrink: 0; }
.info-card h3 { font-size: 1.2rem; margin-bottom: 5px; color: var(--text-dark); }
.info-type { font-size: 0.8rem; color: white; background: var(--accent-color); padding: 2px 8px; border-radius: 12px; }
.info-desc { font-size: 0.9rem; color: var(--text-light); margin-bottom: 15px; font-style: italic; }
.custom-field-display { display: flex; justify-content: space-between; font-size: 0.9rem; padding: 5px 0; border-bottom: 1px dashed var(--border-color); }

.card-actions { position: absolute; top: 12px; right: 12px; display: flex; align-items: center; gap: 6px; }

.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: var(--modal-bg); color: var(--text-dark); padding: 30px; border-radius: 8px; width: 500px; max-height: 90vh; overflow-y: auto; position: relative; border: 1px solid var(--border-color); }
.close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; cursor: pointer; color: var(--text-light); }
.settings-section { margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.cloud-status { font-weight: bold; margin-bottom: 10px; color: var(--accent-color); }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: bold; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px; border: 1px solid var(--border-color); border-radius: 4px; background-color: var(--input-bg); color: var(--text-dark); }
#image-preview { width: 100px; margin-top: 10px; border-radius: 4px; }
.custom-field-input { display: flex; gap: 10px; margin-bottom: 10px; }
.custom-field-input input { flex: 1; }
.remove-field { background: var(--danger-color); color: white; border: none; padding: 0 10px; cursor: pointer; border-radius: 4px; font-weight: bold;}

.delete-item-btn { background: none; border: none; font-size: 1rem; cursor: pointer; opacity: 0.4; padding-left: 10px; font-weight: bold; color: var(--text-dark); }
.delete-item-btn:hover { opacity: 1; color: var(--danger-color); }
.delete-block-btn { background: none; border: none; font-size: 1.1rem; cursor: pointer; opacity: 0.5; font-weight: bold; color: var(--text-dark); }
.delete-block-btn:hover { opacity: 1; color: var(--danger-color); }

.shared-user-item { display: flex; justify-content: space-between; align-items: center; padding: 8px; background: var(--hover-bg); border-radius: 4px; margin-bottom: 5px; font-size: 0.9rem; }