/* ============================================
   Andika — Offline Markdown Editor
   Student-centered documentation tool
   Unicode character set, dark mode support
   ============================================ */

/* ----- TYPOGRAPHY ----- */
@import url('https://fonts.googleapis.com/css2?family=Andika:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Fira+Mono&display=swap');

/* ----- COLOR SCHEME (Light Mode - Default) ----- */
:root {
    --granite: #4c5b5cff;
    --vibrant-coral: #ff715bff;
    --golden-pollen: #f9cb40ff;
    --bg-light: #fdfdfd;
    --bg-sidebar: #f8f9fa;
    --bg-editor: #fafafa;
    --bg-preview: #ffffff;
    --text-primary: #333333;
    --text-secondary: #5e5e5e;
    --border-color: #dddddd;
    --hover-bg: #fff3e0;
    --code-bg: #f6f8fa;
    --shadow-color: rgba(0,0,0,0.05);
    --header-text: white;
    --modal-bg: white;
}

/* ----- DARK MODE (Applied via class) ----- */
body.dark-mode {
    --granite: #2c3a3b;
    --vibrant-coral: #ff8a75;
    --golden-pollen: #f9d342;
    --bg-light: #1e1e1e;
    --bg-sidebar: #252526;
    --bg-editor: #1e1e1e;
    --bg-preview: #252526;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #444444;
    --hover-bg: #3a2c25;
    --code-bg: #2d2d2d;
    --shadow-color: rgba(0,0,0,0.3);
    --header-text: #e0e0e0;
    --modal-bg: #2d2d2d;
}

/* ----- BASE STYLES ----- */
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    color: var(--text-primary);
    line-height: 1.5;
    background-color: var(--bg-light);
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

/* ----- HEADER ----- */
header {
    background-color: var(--granite);
    color: var(--header-text);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 4px solid var(--vibrant-coral);
    transition: background-color 0.2s;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

header h1 {
    font-family: 'Andika', sans-serif;
    margin: 0;
    font-size: 26px;
    letter-spacing: 0.5px;
    color: white;
}

.header-tagline {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    font-style: italic;
}

/* ----- FILE MANAGEMENT TOOLBAR ----- */
.file-management {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.file-management input {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.3);
    background: white;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    width: 180px;
    color: #333;
}

.file-management button {
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.2s;
    background-color: var(--golden-pollen);
    color: var(--granite);
}

.file-management button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.help-btn {
    background-color: transparent !important;
    color: white !important;
    border: 1px solid white !important;
}

.help-btn:hover {
    background-color: rgba(255,255,255,0.1) !important;
}

.dark-mode-btn {
    background-color: transparent !important;
    color: white !important;
    border: 1px solid white !important;
    font-size: 18px !important;
    padding: 8px 12px !important;
}

.export-group {
    display: flex;
    gap: 4px;
}

.export-btn {
    background-color: rgba(255,255,255,0.2) !important;
    color: white !important;
    border: 1px solid rgba(255,255,255,0.3) !important;
}

.export-btn:hover {
    background-color: rgba(255,255,255,0.3) !important;
}

/* ----- THREE-COLUMN LAYOUT ----- */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ----- SIDEBAR ----- */
.sidebar {
    width: 320px;
    background-color: var(--bg-sidebar);
    padding: 15px;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: background-color 0.2s, border-color 0.2s;
}

.sidebar h3 {
    font-family: 'Andika', sans-serif;
    color: var(--granite);
    border-bottom: 2px solid var(--vibrant-coral);
    padding-bottom: 8px;
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 18px;
}

body.dark-mode .sidebar h3 {
    color: #fefefe;  /* Pure white for maximum readability */
    border-bottom-color: var(--vibrant-coral); /* Keep coral border */
}

.template-category {
    font-family: 'Andika', sans-serif;
    font-weight: 600;
    color: var(--granite);
    margin-top: 20px;
    margin-bottom: 8px;
    display: block;
    border-bottom: 1px solid var(--vibrant-coral);
    padding-bottom: 3px;
    font-size: 18px;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

/* DARK MODE - Template category headings */
body.dark-mode .template-category {
    color: #fefefe;  
    border-bottom-color: var(--vibrant-coral);
}

/* ----- TEMPLATE BROWSER ----- */
.template-search {
    margin-bottom: 15px;
}

.search-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    background: white;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-preview);
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--vibrant-coral);
    box-shadow: 0 0 0 2px rgba(255, 113, 91, 0.1);
}

.accordion-item {
    margin-bottom: 8px;
    border-radius: 8px;
    background: var(--bg-preview);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s, background-color 0.2s;
}

.accordion-header {
    padding: 12px 15px;
    background: var(--bg-preview);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
    border-bottom: 1px solid transparent;
    color: var(--text-primary);
}

.accordion-header:hover {
    background: var(--hover-bg);
}

.accordion-header.active {
    background: var(--granite);
    color: white;
    border-bottom-color: var(--vibrant-coral);
}

body.dark-mode .accordion-header.active {
    background: var(--vibrant-coral); /* Coral makes active category pop */
    color: var(--granite); /* Dark text on coral */
}

.accordion-header .count {
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: #495057;
}

.accordion-header.active .count {
    background: rgba(255,255,255,0.2);
    color: white;
}

.accordion-content {
    padding: 10px;
    background: var(--bg-preview);
}

.template-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.template-list li {
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-left: 3px solid transparent;
    color: var(--text-primary);
}

.template-list li:hover {
    background-color: var(--hover-bg);
    border-left-color: var(--vibrant-coral);
    transform: translateX(2px);
}

/* ----- CHEATSHEET ACCORDION (NEW) ----- */
.cheatsheet-accordion {
    margin-top: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-preview);
}

.cheatsheet-item {
    border-bottom: 1px solid var(--border-color);
}

.cheatsheet-item:last-child {
    border-bottom: none;
}

.cheatsheet-header {
    padding: 12px 15px;
    background: var(--bg-sidebar);
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--granite);
    transition: background 0.2s, color 0.2s;
}

body.dark-mode .cheatsheet-header {
    /* color: var(--bg-preview); */  /* Uses white/off-white from preview background */
    color: #fefefe !important; 
    background: var(--granite); /* Darker background for contrast */
}

.cheatsheet-header.active {
    background: var(--granite);
    color: white;
}

body.dark-mode .cheatsheet-header.active {
    background: var(--vibrant-coral); /* Coral stands out nicely in dark mode */
    color: var(--granite); /* Dark text on coral for contrast */
}

.cheatsheet-header:hover {
    background: var(--hover-bg);
}

body.dark-mode .cheatsheet-header:hover {
    background: #3a4a4b; /* Lighter than granite for hover state */
    color: white;
}

.cheatsheet-header:hover {
    background: var(--hover-bg);
}

.cheatsheet-header::before {
    content: '▸';
    font-size: 14px;
    transition: transform 0.2s;
}

.cheatsheet-header.active::before {
    content: '▾';
}

.cheatsheet-content {
    display: none;
    padding: 12px;
    background: var(--bg-preview);
    border-top: 1px solid var(--border-color);
    font-size: 12px;
}

.cheatsheet-content div {
    margin-bottom: 6px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.cheatsheet-content code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Mono', monospace;
    font-size: 11px;
    color: #d14;
}

body.dark-mode .cheatsheet-content code {
    color: #ffa7a7;
    background: #3c3c3c;
}

.table-wizard-btn {
    background-color: var(--golden-pollen);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    color: var(--granite);
    width: 100%;
    transition: all 0.2s;
}

.table-wizard-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.cheatsheet-footer {
    margin-top: 12px;
    padding: 10px;
    font-size: 11px;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

/* ----- EDITOR PANE ----- */
.editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border-color);
    background: var(--bg-editor);
}

/* ----- PREVIEW PANE ----- */
.preview-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-preview);
}

/* ----- PANE HEADERS ----- */
.pane-header {
    padding: 10px 15px;
    background: var(--bg-preview);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--granite);
    font-weight: 500;
}

.pane-title {
    font-family: 'Andika', sans-serif;
    font-size: 14px;
    letter-spacing: 0.5px;
}

/* DARK MODE - Pane headers */
body.dark-mode .pane-header {
    color: #ffffff;
    background: #1e1e1e;
    border-bottom-color: var(--border-color);
}

body.dark-mode .pane-title {
    color: #ffffff;  /* White for EDITOR and PREVIEW text */
}

.word-count, .preview-meta {
    background: var(--code-bg);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ----- CODEMIRROR ----- */
.CodeMirror {
    height: 100% !important;
    font-family: 'Fira Mono', monospace !important;
    font-size: 13px;
    line-height: 1.6;
}

/* ----- PREVIEW CONTENT ----- */
#preview {
    padding: 20px;
    overflow-y: auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
}

#preview h1, #preview h2 { 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 0.3em; 
}

#preview h1 { font-size: 2em; }
#preview h2 { font-size: 1.5em; }
#preview h3 { font-size: 1.25em; }

#preview code {
    background-color: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Fira Mono', monospace;
    font-size: 85%;
    color: var(--text-primary);
}

#preview pre {
    background-color: var(--code-bg);
    padding: 16px;
    overflow: auto;
    border-radius: 6px;
    line-height: 1.45;
}

#preview pre code {
    background: none;
    padding: 0;
}

#preview blockquote {
    border-left: 4px solid var(--vibrant-coral);
    padding: 0 1em;
    color: var(--text-secondary);
    margin: 0;
}

#preview table {
    border-collapse: collapse;
    width: 100%;
}

#preview th,
#preview td {
    border: 1px solid var(--border-color);
    padding: 6px 13px;
}

#preview th {
    background-color: var(--code-bg);
}

/* ----- MODAL ----- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
    backdrop-filter: blur(3px);
}

.modal-content {
    background-color: var(--modal-bg);
    color: var(--text-primary);
    margin: 5% auto;
    padding: 30px;
    border-radius: 12px;
    width: 70%;
    max-width: 800px;
    position: relative;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.modal-content h2 {
    font-family: 'Andika', sans-serif;
    color: var(--granite);
    margin-top: 0;
    border-bottom: 2px solid var(--vibrant-coral);
    padding-bottom: 10px;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.modal-content h3 {
    color: var(--granite);
    font-size: 16px;
    margin-bottom: 5px;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--vibrant-coral);
}

/* ----- PRINT STYLES ----- */
@media print {
    body, body.dark-mode {
        background: white;
        color: black;
    }
    
    .sidebar, .editor-pane, .file-management, 
    .dark-mode-btn, .help-btn, .export-group, 
    .pane-header, .modal {
        display: none !important;
    }
    
    .main-container, .preview-pane {
        display: block;
        width: 100%;
        padding: 0;
        margin: 0;
    }
    
    #preview {
        color: black;
    }
    
    #preview pre, #preview code {
        background: #f5f5f5 !important;
        color: black !important;
        border: 1px solid #ddd;
    }
}