/* =========================================
   BASE RESET & GLOBAL
   ========================================= */
* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    margin: 0; padding: 0; min-height: 100vh;
    display: flex; flex-direction: column;
}

a { text-decoration: none; color: #3498db; transition: color 0.2s; }
a:hover { color: #1d6fa5; text-decoration: none; }

/* =========================================
   AUTH SECTION
   ========================================= */
#auth-section {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: white; z-index: 10000; display: grid; place-items: center; align-content: center;
}
.auth-content-wrapper { width: 100%; max-width: 400px; padding: 20px; text-align: center; margin: 0 auto; }
.app-title { font-size: 2.5rem; font-weight: 700; color: #2c3e50; margin: 0 0 10px 0; display: flex; align-items: center; justify-content: center; gap: 15px; }
.app-title i { color: #3498db; }
.app-subtitle { font-size: 1.1rem; color: #6c757d; margin-bottom: 30px; font-weight: 400; }
.google-btn {
    background: #fff; color: #3c4043; border: none; font-size: 16px; font-weight: 500;
    padding: 14px 24px; border-radius: 50px; cursor: pointer; display: flex; align-items: center;
    justify-content: center; gap: 12px; width: 100%; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: all 0.2s ease;
}
.google-btn:hover { background: #f8f9fa; box-shadow: 0 4px 12px rgba(0,0,0,0.15); color: #1a73e8; transform: translateY(-1px); }
.auth-footer { position: absolute; bottom: 20px; left: 0; width: 100%; text-align: center; color: #adb5bd; font-size: 0.9rem; }
#auth-message { color: #e74c3c; margin-top: 20px; min-height: 20px; font-size: 0.95rem; }

/* =========================================
   APP SECTION & INPUTS
   ========================================= */
#app-section {
    width: 100%; max-width: 100%; background: white; padding: 20px; margin: 0;
    border-radius: 0; box-shadow: none; min-height: 100vh; display: flex; flex-direction: column;
}

button { padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; transition: background 0.2s; }
.primary-btn { background: #3498db; color: white; }
.primary-btn:hover { background: #2980b9; }
.secondary-btn { background: #e9ecef; color: #495057; }
.secondary-btn:hover { background: #dee2e6; }
.danger-btn { background: #ff6b6b; color: white; }
.danger-btn:hover { background: #fa5252; }
.small-btn { padding: 6px 12px; font-size: 13px; }

.edit-btn, .delete-btn { background: transparent; padding: 6px 10px; font-size: 1.1rem; cursor: pointer; }
.edit-btn { color: #adb5bd; } .edit-btn:hover { color: #3498db; background: #e6f7ff; border-radius: 4px; }
.delete-btn { color: #adb5bd; } .delete-btn:hover { color: #ff6b6b; background: #fff5f5; border-radius: 4px; }

input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid #ced4da; border-radius: 6px; margin-bottom: 10px; font-size: 14px; }
input:focus, select:focus { outline: none; border-color: #3498db; box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1); }

/* --- FIXED: Added input-wrapper for positioning --- */
.input-wrapper { position: relative; width: 100%; display: flex; flex-direction: column; margin-bottom: 10px; }
.input-wrapper input { margin-bottom: 0; }

.input-group { position: relative; width: 100%; display: flex; flex-direction: column; margin-bottom: 10px; }
.input-group label { font-size: 0.85rem; color: #6c757d; margin-bottom: 4px; font-weight: 600; }
.input-group input { margin-bottom: 0; }

.top-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid #f1f3f5; padding-bottom: 15px; margin-bottom: 20px; flex-wrap: wrap; gap: 15px; }
.nav-tabs { display: flex; gap: 20px; }
.nav-btn { background: none; border: none; font-size: 1.1rem; font-weight: 600; color: #888; padding: 8px 0; cursor: pointer; border-bottom: 3px solid transparent; transition: all 0.2s; }
.nav-btn:hover { color: #555; }
.nav-btn.active { color: #3498db; border-bottom-color: #3498db; }
.user-controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
#welcome-text { font-weight: 500; color: #495057; margin-right: 5px; }

/* =========================================
   COLLAPSIBLE & SPLIT LAYOUT
   ========================================= */
.wiki-split-container, .editor-split-wrapper {
    display: flex; flex-direction: row; flex-grow: 1;
    overflow: hidden; padding: 0; gap: 15px; transition: all 0.3s ease;
}
.wiki-split-container { padding: 15px; background: #f8f9fa; }
.wiki-section, .editor-section { display: flex; flex-direction: column; overflow: hidden; transition: all 0.3s ease; }
.notes-section { flex: 1; min-width: 300px; }
.code-section { flex: 1; min-width: 300px; }

.section-header {
    display: flex; justify-content: space-between; align-items: center;
    background: #e9ecef; padding: 8px 12px; border-radius: 6px 6px 0 0;
    border: 1px solid #ced4da; border-bottom: none; cursor: pointer; user-select: none; transition: background 0.2s;
}
.section-header:hover { background: #dee2e6; }
.section-label { margin: 0; font-size: 0.8rem; font-weight: 700; color: #6c757d; text-transform: uppercase; letter-spacing: 0.5px; cursor: pointer; }

.section-body {
    flex-grow: 1; display: flex; flex-direction: column;
    border: 1px solid #ced4da; border-top: none; border-radius: 0 0 6px 6px;
    background: white; overflow: hidden; height: 100%; min-height: 200px;
}

.collapsed {
    flex: 0 0 auto !important; width: 40px !important; min-width: 0 !important;
    writing-mode: vertical-rl; text-orientation: mixed; padding: 0; align-items: center; justify-content: center;
    background: #e9ecef; border: 1px solid #ced4da; border-radius: 6px; cursor: pointer;
}
.collapsed .section-header { background: transparent; border: none; padding: 10px 0; width: 100%; border-radius: 0; writing-mode: vertical-rl; }
.collapsed .section-body { display: none; }
.collapsed .toggle-icon { transform: rotate(-90deg); margin-top: 5px; }

.layout-stacked .wiki-split-container, .layout-stacked .editor-split-wrapper { flex-direction: column !important; height: auto !important; overflow: visible !important; }
.layout-stacked .wiki-section, .layout-stacked .editor-section { width: 100% !important; flex: none !important; margin-bottom: 20px; }
.layout-stacked .collapsed { width: 100% !important; writing-mode: horizontal-tb; height: 50px; flex-direction: row; padding: 0; }
.layout-stacked .collapsed .section-header { writing-mode: horizontal-tb; padding: 10px 15px; }
.layout-stacked .collapsed .toggle-icon { transform: rotate(0); }

/* =========================================
   RICH TEXT EDITOR & DISPLAY
   ========================================= */
.rich-editor-container { display: flex; flex-direction: column; flex-grow: 1; background: white; overflow: hidden; height: 100%; }
.editor-toolbar { display: flex; gap: 5px; padding: 8px; background: #e9ecef; border-bottom: 1px solid #ced4da; }
.editor-toolbar button { background: white; border: 1px solid #ced4da; padding: 4px 10px; font-size: 14px; border-radius: 4px; cursor: pointer; color: #495057; }
.editor-toolbar button:hover { background: #dee2e6; color: #212529; }
.editor-content { flex-grow: 1; padding: 15px; overflow-y: auto; outline: none; font-family: 'Segoe UI', sans-serif; font-size: 15px; line-height: 1.6; min-height: 150px; }
.editor-content ul, .editor-content ol { padding-left: 20px; }
.editor-content a { color: #3498db; text-decoration: underline; cursor: pointer; font-weight: 500; }
.editor-content a:hover { color: #1d6fa5; background-color: #e6f7ff; border-radius: 2px; }

.text-display-box { flex: 1; overflow-y: auto; padding: 15px; background: white; font-family: 'Segoe UI', sans-serif; font-size: 15px; line-height: 1.6; }
.text-display-box ul, .text-display-box ol { padding-left: 20px; margin: 10px 0; }
.wiki-editor-container, .monaco-container { flex-grow: 1; width: 100%; height: 100%; border: none; }

/* =========================================
   INLINE STATUS & ERRORS
   ========================================= */
.error-text { color: #e74c3c; font-size: 0.85rem; margin-top: -5px; margin-bottom: 10px; font-weight: 500; display: block; animation: fadeIn 0.2s ease-in-out; }
.input-error { border-color: #e74c3c !important; background-color: #fff5f5; }
.save-status { font-size: 0.9rem; font-weight: 600; margin-right: 10px; opacity: 0; transition: opacity 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* =========================================
   TRACKER & WIKI SIDEBAR
   ========================================= */
.tracker-controls { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 15px; flex-wrap: wrap; }
.left-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; flex: 1; }
#sortPanel { background: #f8f9fa; padding: 6px 10px; border-radius: 6px; border: 1px solid #e9ecef; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.search-wrapper { position: relative; display: flex; align-items: center; }
.search-wrapper input { padding: 6px 10px 6px 30px; margin-bottom: 0; border: 1px solid #ced4da; border-radius: 4px; font-size: 14px; width: 180px; }
.search-wrapper .search-icon { position: absolute; left: 10px; color: #adb5bd; font-size: 13px; }

.sort-select { 
    margin-bottom: 0; width: auto; min-width: 140px; cursor: pointer; 
    border-color: #ced4da; padding: 6px 25px 6px 10px; font-size: 14px;
}

.table-responsive { width: 100%; overflow-x: auto; border: 1px solid #e9ecef; border-radius: 8px; }
table { width: 100%; border-collapse: collapse; min-width: 800px; }
th, td { padding: 14px; text-align: left; vertical-align: middle; border-bottom: 1px solid #e9ecef; color: #495057; }
th { background: #f8f9fa; font-weight: 600; color: #343a40; white-space: nowrap; border-bottom: 2px solid #e9ecef; }
td { background: white; }
.star-cell button { background: none; font-size: 1.1rem; padding: 0; }
.star-cell button.starred { color: #fcc419; }
.star-cell button:not(.starred) { color: #dee2e6; }
.action-cell { white-space: nowrap; text-align: center; min-width: 120px; }

#wiki-view { display: flex; flex-grow: 1; height: 78vh; border: 1px solid #e9ecef; border-radius: 8px; overflow: hidden; background: white; }
.wiki-sidebar { width: 280px; background: #f8f9fa; border-right: 1px solid #e9ecef; display: flex; flex-direction: column; flex-shrink: 0; }
.wiki-main { flex-grow: 1; display: flex; flex-direction: column; background: #fff; min-width: 0; }
.wiki-search-box { padding: 15px; border-bottom: 1px solid #e9ecef; background: #fff; }
.wiki-list-container { flex-grow: 1; overflow-y: auto; }

/* --- WIKI HEADER & ITEMS --- */
.wiki-topic-header {
    background: #e9ecef; color: #495057; font-size: 0.75rem; font-weight: 700;
    padding: 10px 15px; letter-spacing: 0.5px; text-transform: uppercase;
    display: flex; align-items: center; 
    cursor: grab; border-bottom: 1px solid #dee2e6;
    transition: all 0.2s;
}
.wiki-topic-header:hover { background: #dee2e6; }
.wiki-topic-header:active { cursor: grabbing; }

.header-toggle-icon {
    margin-right: 8px; width: 15px; text-align: center; display: inline-block;
    transition: transform 0.2s ease; cursor: pointer;
}

.dragging { opacity: 0.5; background: #e6f7ff !important; border: 1px dashed #3498db; }
.drag-over { border-top: 3px solid #3498db !important; }
.wiki-subtopic-container { display: none; background: #fdfdfd; }

.wiki-item {
    padding: 10px 15px; border-bottom: 1px solid #f1f3f5; cursor: grab;
    border-left: 3px solid transparent; transition: all 0.1s;
    display: flex; align-items: center; padding-left: 25px; 
}
.wiki-item:hover { background: white; border-left-color: #dee2e6; }
.wiki-item:active { cursor: grabbing; }
.wiki-item.active { background: #e6f7ff; border-left-color: #3498db; color: #0d6efd; font-weight: 500; }
.wiki-item-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex-grow: 1; }

.wiki-header { padding: 15px 20px; border-bottom: 1px solid #e9ecef; background: white; }
.wiki-meta-row { display: flex; gap: 20px; align-items: flex-end; flex-wrap: wrap; }

/* --- FIXED: Z-Index 10000 ensures it is above modal (which is 3000) --- */
.suggestions-dropdown {
    position: absolute; top: 100%; left: 0; right: 0; background: white; border: 1px solid #dee2e6;
    z-index: 10000; max-height: 200px; overflow-y: auto; display: none; box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.suggestion-item { padding: 10px 15px; cursor: pointer; border-bottom: 1px solid #f8f9fa; color: #333; }
.suggestion-item:hover, .suggestion-item.active-suggestion { background: #e6f7ff; color: #0056b3; }

.pagination { display: flex; justify-content: center; gap: 15px; margin-top: 25px; flex-wrap: wrap; align-items: center; }

/* MODAL STYLING */
.note-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; justify-content: center; align-items: center; z-index: 3000; padding: 15px; backdrop-filter: blur(2px); }
.note-modal-content { background: white; padding: 25px; width: 95%; max-width: 1400px; height: 90vh; border-radius: 12px; display: flex; flex-direction: column; box-shadow: 0 15px 40px rgba(0,0,0,0.2); }
.modal-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }

/* =========================================
   DARK MODE
   ========================================= */
body.dark { background: #121212; color: #e0e0e0; }
body.dark #auth-section { background: #121212; }
body.dark #app-section { background: #1e1e1e; box-shadow: none; }
body.dark .app-title, body.dark #welcome-text, body.dark a { color: #e0e0e0; }
body.dark a { color: #64b5f6; }
body.dark .google-btn { background: #2d2d2d; color: #e0e0e0; box-shadow: 0 2px 8px rgba(0,0,0,0.5); }
body.dark .google-btn:hover { background: #333; }

body.dark .top-header, body.dark th, body.dark .wiki-header, body.dark .wiki-search-box, body.dark #wiki-view, body.dark .wiki-main, body.dark .table-responsive, body.dark .monaco-container, body.dark .wiki-editor-container, body.dark #sortPanel { background: #1e1e1e; border-color: #333; color: #e0e0e0; }

body.dark td, body.dark .wiki-sidebar { background: #1e1e1e; border-color: #333; color: #ccc; }
body.dark input, body.dark select, body.dark textarea { background: #252526; border-color: #444; color: #fff; }
body.dark .secondary-btn { background: #333; color: #ccc; }
body.dark .wiki-topic-header { background: #252526; color: #888; border-color: #333; }
body.dark .wiki-topic-header:hover { background: #2d2d2d; }
body.dark .wiki-item { border-color: #2d2d2d; }
body.dark .wiki-item:hover { background: #2d2d2d; }
body.dark .wiki-item.active { background: #263238; border-left-color: #3498db; color: #3498db; }
body.dark .note-modal-content { background: #1e1e1e; border: 1px solid #333; }
body.dark .wiki-split-container { background: #1e1e1e; }
body.dark .text-display-box { background: #252526; border-color: #444; color: #e0e0e0; }
body.dark .suggestions-dropdown { background: #252526; border-color: #333; }
body.dark .suggestion-item { color: #eee; border-bottom-color: #333; }
body.dark .suggestion-item:hover, body.dark .suggestion-item.active-suggestion { background: #3498db; color: white; }
body.dark .input-error { background-color: #3a2323; }
body.dark .wiki-subtopic-container { background: #1c1c1c; }

body.dark .section-header { background: #252526; border-color: #444; }
body.dark .section-header:hover { background: #333; }
body.dark .section-body { border-color: #444; background: #1e1e1e; }
body.dark .collapsed { background: #2d2d2d; border-color: #444; }
body.dark .rich-editor-container { border-color: #444; background: #252526; }
body.dark .editor-toolbar { background: #333; border-bottom-color: #444; }
body.dark .editor-toolbar button { background: #2d2d2d; border-color: #444; color: #ccc; }
body.dark .editor-toolbar button:hover { background: #444; color: white; }
body.dark .editor-content { color: #e0e0e0; background: #252526; }
body.dark .editor-content a { color: #64b5f6; }
body.dark .editor-content a:hover { background-color: #3a2323; }

/* =========================================
   MOBILE
   ========================================= */
@media (max-width: 768px) {
    #app-section { padding: 10px; }
    .top-header, .tracker-controls, .wiki-meta-row { flex-direction: column; align-items: stretch; }
    .user-controls { justify-content: space-between; margin-top: 10px; }
    #wiki-view { flex-direction: column; height: auto; }
    .wiki-sidebar { width: 100%; height: 200px; border-right: none; border-bottom: 1px solid #333; }
    .wiki-main { height: 600px; }
    .wiki-split-container, .editor-split-wrapper { flex-direction: column; }
    .notes-section, .code-section { min-width: 100%; height: 50%; }
    .note-modal-content { height: 95vh; max-width: 95vw; }
}