/* =========================================================================================
   STRICT RULE FOR AI/FORMATTERS: DO NOT MULTI-LINE THIS FILE. KEEP ONE LINE PER CSS RULE.
   ========================================================================================= */

:root { --primary: #6c5ce7; --primary-hover: #5b4cc4; --bg-body: #f8f9fa; --bg-surface: #ffffff; --bg-secondary: #dfe6e9; --text-main: #2d3436; --text-muted: #636e72; --border: #dfe6e9; --shadow: 0 4px 12px rgba(0,0,0,0.05); --radius: 16px; --header-height: 70px; --success: #00b894; --warning: #fdcb6e; --danger: #d63031; }

[data-bs-theme="dark"] { --bg-body: #f8f9fa !important; --bg-surface: #ffffff !important; --bg-secondary: #dfe6e9 !important; --text-main: #2d3436 !important; --text-muted: #636e72 !important; --border: #dfe6e9 !important; --shadow: 0 4px 12px rgba(0,0,0,0.05) !important; }

body { height: 100vh !important; overflow: hidden !important; display: flex !important; flex-direction: column !important; }

.top-nav { background: var(--bg-surface) !important; border-bottom: 1px solid var(--border) !important; color: var(--text-main) !important; }
.top-nav .nav-title, .top-nav i, .top-nav span { color: var(--text-main) !important; }

.main-container { height: calc(100vh - var(--header-height)) !important; display: flex !important; flex-direction: column !important; overflow: hidden !important; padding: 1.5rem 2rem !important; }
#master-quiz-form { display: flex !important; flex-direction: column !important; height: 100% !important; overflow: hidden !important; }

.layout-split { display: flex !important; flex: 1 !important; overflow: hidden !important; gap: 2rem !important; margin-bottom: 80px !important; }
.editor-sidebar { width: 350px !important; flex-shrink: 0 !important; height: 100% !important; overflow-y: auto !important; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.editor-main-content { flex: 1 !important; height: 100% !important; overflow-y: auto !important; padding-right: 10px !important; }

.sidebar-sticky-content { position: static !important; }
.sidebar-title { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-top: 0; margin-bottom: 1.25rem; text-transform: uppercase; letter-spacing: 0.5px; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.form-control-input { background: var(--bg-body); border: 1px solid var(--border); color: var(--text-main); padding: 0.65rem 0.85rem; border-radius: 8px; font-size: 0.92rem; transition: border-color 0.2s; width: 100%; }
.form-control-input:focus { border-color: var(--primary); }

.switch-item { display: flex; align-items: center; gap: 0.65rem; cursor: pointer; user-select: none; margin-bottom: 0.5rem; }
.switch-item input[type="checkbox"] { accent-color: var(--primary); width: 17px; height: 17px; }
.switch-label { font-size: 0.9rem; font-weight: 500; color: var(--text-main); }
.switch-label i, .form-label i { margin-right: 6px; opacity: 0.85; }

.conditional-box { padding-left: 1.5rem; margin-top: 0.75rem; border-left: 2px dashed var(--border); transition: all 0.2s ease-in-out; }
.conditional-box.hidden-block { display: none !important; }

.subtitle-switch { margin-bottom: 0.75rem; }
.subtitle-switch .switch-label { color: var(--text-muted); font-size: 0.85rem; }

.info-note { font-size: 0.78rem; color: #e28542; background: rgba(226, 133, 66, 0.08); padding: 8px 12px; border-radius: 6px; margin: 0.75rem 0 0 0; line-height: 1.3; border: 1px solid rgba(226, 133, 66, 0.15); }
.editor-section-card { background: var(--bg-surface); border-radius: var(--radius); border: 1px solid var(--border); padding: 2rem; box-shadow: var(--shadow); }
.section-card-title { font-size: 1.25rem; font-weight: 700; color: var(--primary); }

.questions-header-bar { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 1.25rem; }
.questions-control-buttons { display: flex; gap: 0.5rem; }
.editor-card-question { margin-bottom: 1.5rem; }

.action-sticky-footer { position: fixed !important; bottom: 0 !important; left: 0 !important; right: 0 !important; height: 70px !important; background: rgba(255, 255, 255, 0.95) !important; backdrop-filter: blur(12px); border-top: 1px solid var(--border); padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; z-index: 999 !important; border-radius: var(--radius) var(--radius) 0 0; box-shadow: 0 -4px 12px rgba(0,0,0,0.03); }

.btn-cancel { background: transparent; border: 1px solid var(--border); color: var(--text-muted); padding: 0.6rem 1.4rem; border-radius: 8px; font-weight: 600; font-size: 0.9rem; cursor: pointer; height: 42px; }
.btn-cancel:hover { background: rgba(0,0,0,0.03); color: var(--text-main); }

.modern-range-container { display: flex; align-items: center; gap: 15px; width: 100%; }
.modern-range-container input[type="range"] { flex: 1; -webkit-appearance: none; appearance: none; height: 6px; background: var(--bg-secondary); border-radius: 5px; outline: none; }
.modern-range-container input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--primary); cursor: pointer; }
.modern-range-badge { background: var(--bg-secondary); border: 1px solid var(--border); padding: 6px 10px; border-radius: 8px; font-size: 0.88rem; font-weight: 700; color: var(--text-main); min-width: 90px; text-align: center; flex-shrink: 0; }

.question-image-control { margin-top: 0.25rem; }
.question-image-dropzone { display: flex; align-items: center; justify-content: center; gap: 8px; border: 2px dashed var(--border); border-radius: 8px; padding: 1.5rem; cursor: pointer; color: var(--text-muted); font-size: 0.88rem; font-weight: 600; transition: border-color 0.2s, color 0.2s; }
.question-image-dropzone:hover { border-color: var(--primary); color: var(--primary); }
.question-image-preview-wrap { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.question-image-preview { max-height: 100px; max-width: 200px; border-radius: 8px; border: 1px solid var(--border); object-fit: contain; }