/* Ciro Network - Compact Elegant Sidebar with Theme Support */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@500;600&display=swap');

:root {
    --sidebar-font-header: 'Space Grotesk', sans-serif;
    --sidebar-font-item: 'Inter', sans-serif;
    --sidebar-radius: 8px;
    --sidebar-padding: 1.2em;
    --sidebar-spacing: 0.4em;
    --header-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --header-accent: linear-gradient(90deg, #8A2BE2 0%, #00BFFF 100%);
    --sidebar-bg: #1f2937;
    --sidebar-gradient: linear-gradient(180deg, #9333ea 0%, #0ea5e9 100%);
    --sidebar-accent: #a855f7;
    --sidebar-accent2: #38bdf8;
    --sidebar-pill-bg: rgba(168, 85, 247, 0.1);
    --sidebar-pill-active: rgba(168, 85, 247, 0.15);
    --sidebar-pill-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --sidebar-header: #f9fafb;
    --sidebar-item: #e5e7eb;
    --sidebar-item-secondary: #9ca3af;
    --sidebar-border: #374151;
    --header-text: #f1f5f9;
    --header-shadow: 0 2px 20px rgba(147, 51, 234, 0.25);
}

/* Light Theme Variables */
.light {
    --sidebar-bg: #fff;
    --sidebar-gradient: linear-gradient(180deg, #8A2BE2 0%, #00BFFF 100%);
    --sidebar-accent: #8A2BE2;
    --sidebar-accent2: #00BFFF;
    --sidebar-pill-bg: rgba(138, 43, 226, 0.06);
    --sidebar-pill-active: #f8f6ff;
    --sidebar-pill-shadow: 0 1px 3px rgba(138, 43, 226, 0.1);
    --sidebar-header: #1a1a1a;
    --sidebar-item: #2c2c2d;
    --sidebar-item-secondary: #666;
    --sidebar-border: #e8e8e8;
    --header-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    --header-text: #1e293b;
    --header-shadow: 0 2px 20px rgba(138, 43, 226, 0.15);
}

/* Dark Theme Variables (Navy, Coal, Ayu) */
.navy, .coal, .ayu {
    --sidebar-bg: #1f2937;
    --sidebar-gradient: linear-gradient(180deg, #9333ea 0%, #0ea5e9 100%);
    --sidebar-accent: #a855f7;
    --sidebar-accent2: #38bdf8;
    --sidebar-pill-bg: rgba(168, 85, 247, 0.1);
    --sidebar-pill-active: rgba(168, 85, 247, 0.15);
    --sidebar-pill-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --sidebar-header: #f9fafb;
    --sidebar-item: #e5e7eb;
    --sidebar-item-secondary: #9ca3af;
    --sidebar-border: #374151;
    --header-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --header-text: #f1f5f9;
    --header-shadow: 0 2px 20px rgba(147, 51, 234, 0.25);
}

/* Rust Theme */
.rust {
    --sidebar-bg: #1a1a1a;
    --sidebar-gradient: linear-gradient(180deg, #ce8a2b 0%, #dfa76e 100%);
    --sidebar-accent: #ce8a2b;
    --sidebar-accent2: #dfa76e;
    --sidebar-pill-bg: rgba(206, 138, 43, 0.1);
    --sidebar-pill-active: rgba(206, 138, 43, 0.15);
    --sidebar-pill-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    --sidebar-header: #f5f5f5;
    --sidebar-item: #e0e0e0;
    --sidebar-item-secondary: #b0b0b0;
    --sidebar-border: #333;
    --header-gradient: linear-gradient(135deg, #1c1917 0%, #292524 50%, #44403c 100%);
    --header-text: #fef7ed;
    --header-shadow: 0 2px 20px rgba(206, 138, 43, 0.25);
}

/* Beautiful Top Header */
.menu-bar {
    background: var(--header-gradient) !important;
    border-bottom: none !important;
    box-shadow: var(--header-shadow) !important;
    backdrop-filter: blur(10px) !important;
    position: relative !important;
    z-index: 999 !important;
    height: 70px !important;
    min-height: 70px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 2rem !important;
}

/* Header accent strip */
.menu-bar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--header-accent);
    z-index: 1000;
}

/* Header sections layout */
.menu-bar .left-buttons {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

.menu-bar .right-buttons {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
}

/* Header title styling */
.menu-bar .menu-title {
    color: var(--header-text, #f1f5f9) !important;
    font-family: var(--sidebar-font-header) !important;
    font-weight: 600 !important;
    font-size: 1.2em !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
    letter-spacing: 0.02em !important;
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    margin: 0 !important;
    white-space: nowrap !important;
}

/* Header buttons enhancement */
.menu-bar .icon-button {
    color: var(--header-text, #f1f5f9) !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 8px !important;
    padding: 8px 12px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    backdrop-filter: blur(8px) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    box-sizing: border-box !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1) !important;
}

.menu-bar .icon-button:hover {
    background: rgba(255, 255, 255, 0.18) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-1px) scale(1.02) !important;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.2) !important;
}

.menu-bar .icon-button:active {
    transform: translateY(0) scale(0.98) !important;
    transition: all 0.1s ease !important;
}

/* Search bar enhancement */
#searchbar {
    max-width: 320px;
    position: relative;
}

#searchbar input {
    background: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    border-radius: 14px !important;
    color: var(--header-text, #f1f5f9) !important;
    padding: 12px 20px 12px 44px !important;
    font-size: 0.95em !important;
    backdrop-filter: blur(10px) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    width: 240px !important;
    height: 44px !important;
    box-sizing: border-box !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

#searchbar input:focus {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(138, 43, 226, 0.6) !important;
    box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.15), 0 4px 16px rgba(0, 0, 0, 0.2) !important;
    outline: none !important;
    transform: scale(1.02) !important;
    width: 280px !important;
}

#searchbar input::placeholder {
    color: rgba(255, 255, 255, 0.7) !important;
    font-weight: 400 !important;
}

/* Search icon */
#searchbar::before {
    content: '🔍';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    z-index: 1;
    pointer-events: none;
    opacity: 0.8;
}

/* Enhanced Theme popup */
.theme-popup {
    background: var(--header-gradient) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 16px !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(25px) !important;
    padding: 12px !important;
    margin-top: 16px !important;
    min-width: 180px !important;
    overflow: hidden !important;
}

/* Theme popup header */
.theme-popup::before {
    content: 'Choose Theme';
    display: block;
    color: var(--header-text, #f1f5f9);
    font-size: 0.8em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
    padding: 4px 12px 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 8px;
}

.theme-popup .theme {
    color: var(--header-text, #f1f5f9) !important;
    background: transparent !important;
    border-radius: 10px !important;
    padding: 10px 16px !important;
    margin: 3px 0 !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    font-size: 0.9em !important;
    font-weight: 500 !important;
    display: flex !important;
    align-items: center !important;
    position: relative !important;
    overflow: hidden !important;
}

.theme-popup .theme::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--header-accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.theme-popup .theme:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    transform: translateX(6px) scale(1.02) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.theme-popup .theme:hover::before {
    transform: scaleY(1);
}

/* Active theme indicator */
.theme-popup .theme[aria-pressed="true"] {
    background: rgba(138, 43, 226, 0.2) !important;
    border: 1px solid rgba(138, 43, 226, 0.3) !important;
}

.theme-popup .theme[aria-pressed="true"]::before {
    transform: scaleY(1);
}

/* Enhanced Sidebar with Theme Support */
.sidebar {
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    padding: 1.8em 1.2em 2em 1.2em;
    min-width: 260px;
    width: 260px;
    max-width: 260px;
    min-height: 100vh;
    height: 100vh;
    box-shadow: 2px 0 20px 0 rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease;
    scrollbar-width: thin;
    scrollbar-color: rgba(168, 85, 247, 0.3) transparent;
}

/* Gradient accent bar */
.sidebar::before {
    content: '';
  position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--sidebar-gradient);
    z-index: 1;
}

/* Custom Scrollbar for Webkit browsers */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.4) 0%, rgba(56, 189, 248, 0.4) 100%);
    border-radius: 3px;
    transition: background 0.3s ease;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(168, 85, 247, 0.6) 0%, rgba(56, 189, 248, 0.6) 100%);
}

/* Sidebar hidden state */
.sidebar-hidden .sidebar {
    transform: translateX(-100%);
    opacity: 0;
}

.sidebar ul, .sidebar ol {
    padding-left: 0;
    margin: 0;
}

.sidebar li {
    margin-bottom: 0.3em;
    list-style: none;
}

/* Enhanced Section Headers */
.sidebar .chapter {
    font-family: var(--sidebar-font-header);
    font-size: 1.15em;
    font-weight: 600;
    color: var(--sidebar-header);
    margin-top: 2em;
    margin-bottom: 1em;
    letter-spacing: 0.02em;
    text-transform: none;
  position: relative;
    padding-bottom: 0.5em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar .chapter:first-child {
    margin-top: 0.5em;
}

.sidebar .chapter > a {
    color: var(--sidebar-header);
    font-weight: 600;
    font-size: 1.15em;
    padding: 0.6em 1em;
    border-radius: 10px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5em;
}

.sidebar .chapter > a:hover {
    color: var(--sidebar-accent);
    background: var(--sidebar-pill-bg);
    border-color: rgba(168, 85, 247, 0.2);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.15);
}

/* Enhanced Navigation Items */
.sidebar a {
    font-family: var(--sidebar-font-item);
    color: var(--sidebar-item-secondary);
    font-size: 0.95em;
    font-weight: 400;
    border-radius: 8px;
    padding: 0.5em 1em;
    margin: 0.15em 0;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    text-decoration: none;
  line-height: 1.5;
    position: relative;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid transparent;
}

/* Subsection indentation and styling */
.sidebar ol ol a, 
.sidebar ul ul a {
    font-size: 0.9em;
    padding-left: 2em;
    color: rgba(255, 255, 255, 0.7);
    border-left: 2px solid transparent;
    margin-left: 0.5em;
    background: rgba(255, 255, 255, 0.008);
}

.sidebar ol ol ol a,
.sidebar ul ul ul a {
    font-size: 0.85em;
    padding-left: 3em;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 1em;
}

.sidebar a:hover {
    background: var(--sidebar-pill-bg);
    color: var(--sidebar-accent2);
    border-color: rgba(168, 85, 247, 0.1);
    transform: translateX(2px);
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.1);
}

.sidebar ol ol a:hover,
.sidebar ul ul a:hover {
    border-left-color: var(--sidebar-accent2);
    background: rgba(56, 189, 248, 0.08);
}

/* Enhanced Active State */
.sidebar .active > a, 
.sidebar a.active {
    background: var(--sidebar-pill-active);
    color: var(--sidebar-accent);
    font-weight: 500;
    border-color: rgba(168, 85, 247, 0.3);
    box-shadow: 0 3px 12px rgba(168, 85, 247, 0.2);
    transform: translateX(3px);
}

.sidebar ol ol .active > a,
.sidebar ul ul .active > a {
    border-left-color: var(--sidebar-accent);
    background: rgba(168, 85, 247, 0.12);
}

/* Section Dividers */
.sidebar .chapter + .chapter {
  position: relative;
}

.sidebar .chapter + .chapter::before {
  content: '';
  position: absolute;
    top: -1em;
  left: 0;
  right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0.1) 80%, transparent 100%);
}

/* Smooth focus states */
.sidebar a:focus {
    outline: none;
    border-color: var(--sidebar-accent);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.2);
}

/* Enhanced hierarchy for nested lists */
.sidebar ol, .sidebar ul {
    transition: all 0.3s ease;
}

.sidebar ol ol, .sidebar ul ul {
    margin-top: 0.3em;
    margin-bottom: 0.5em;
    padding-left: 0;
}

/* Improve collapsed/expanded states */
.sidebar .chapter.expanded + ol,
.sidebar .chapter.expanded + ul {
    max-height: none;
    opacity: 1;
}

/* Add subtle animations to list items */
.sidebar li {
    transition: all 0.2s ease;
}

.sidebar li:hover {
    transform: translateX(1px);
}

/* CONTENT POSITIONING with enhanced sidebar */
#page-wrapper,
.page-wrapper {
    margin-left: 262px !important;
    width: calc(100% - 262px) !important;
    transition: margin-left 0.3s ease, width 0.3s ease;
}

/* When sidebar is hidden */
.sidebar-hidden #page-wrapper,
.sidebar-hidden .page-wrapper {
    margin-left: 0 !important;
    width: 100% !important;
}

.page {
    margin-left: 0 !important;
    padding-left: 6em !important;
    padding-right: 4.5em !important;
    padding-top: 4em !important;
    padding-bottom: 3em !important;
    width: 100% !important;
    box-sizing: border-box !important;
    max-width: 1200px !important;
    margin-right: auto !important;
}

#content,
.content {
    margin-left: 0 !important;
    padding-left: 0 !important;
    width: 100% !important;
}

.content main,
main {
    margin-left: 0 !important;
    padding-left: 0 !important;
    width: 100% !important;
    max-width: none !important;
}

/* Fallback for any other containers */
.main-content,
.book-body,
.chapter {
    margin-left: 0 !important;
    width: 100% !important;
}

/* Mobile */
@media (max-width: 1200px) {
    .sidebar {
        min-width: 240px;
        width: 240px;
        max-width: 240px;
        padding: 1.5em 1em 1.8em 1em;
    }
    
    .sidebar .chapter {
        font-size: 1.1em;
        margin-top: 1.5em;
    }
    
    .sidebar .chapter > a {
        font-size: 1.1em;
        padding: 0.5em 0.8em;
    }
    
    .sidebar a {
        font-size: 0.9em;
        padding: 0.4em 0.8em;
    }
    
    #page-wrapper,
    .page-wrapper {
        margin-left: 242px !important;
        width: calc(100% - 242px) !important;
    }
    
    .page {
        padding-left: 4em !important;
        padding-right: 3em !important;
        padding-top: 3.5em !important;
        max-width: 1000px !important;
    }
}

@media (max-width: 900px) {
    .sidebar {
        min-width: 220px;
        width: 220px;
        max-width: 220px;
        padding: 1.2em 0.8em 1.5em 0.8em;
    }
    
    .sidebar .chapter {
        font-size: 1em;
        margin-top: 1.2em;
        margin-bottom: 0.8em;
    }
    
    .sidebar .chapter > a {
        font-size: 1em;
        padding: 0.4em 0.7em;
    }
    
    .sidebar a {
        font-size: 0.85em;
        padding: 0.3em 0.7em;
    }
    
    .sidebar ol ol a, 
    .sidebar ul ul a {
        font-size: 0.8em;
        padding-left: 1.5em;
    }
    
    #page-wrapper,
    .page-wrapper {
        margin-left: 222px !important;
        width: calc(100% - 222px) !important;
    }
    
    .page {
        padding-left: 3.5em !important;
        padding-right: 2.5em !important;
        padding-top: 3em !important;
        padding-bottom: 2.5em !important;
        max-width: none !important;
    }
    
    /* Mobile header adjustments */
    .menu-bar {
        height: 60px !important;
        min-height: 60px !important;
        padding: 0 1rem !important;
    }
    
    .menu-bar .menu-title {
        font-size: 1em !important;
    }
    
    .menu-bar .icon-button {
        padding: 6px 8px !important;
        width: 36px !important;
        height: 36px !important;
        border-radius: 6px !important;
    }
    
    .menu-bar .left-buttons {
        gap: 8px !important;
    }
    
    .menu-bar .right-buttons {
        gap: 8px !important;
    }
    
    #searchbar input {
        width: 180px !important;
        padding: 10px 16px 10px 36px !important;
        height: 40px !important;
    }
    
    #searchbar input:focus {
        width: 200px !important;
    }
    
    #searchbar::before {
        left: 12px;
        font-size: 14px;
    }
}

/* Enhanced content typography and spacing */
.content h1, .content h2, .content h3, .content h4, .content h5, .content h6 {
    margin-top: 3em;
    margin-bottom: 1.8em;
    line-height: 1.3;
}

.content h1:first-child, .content h2:first-child, .content h3:first-child {
    margin-top: 1.5em;
    padding-top: 1em;
}

.content h1 {
    font-size: 2.4em;
    margin-top: 2em;
    margin-bottom: 2em;
    padding-top: 1.5em;
    padding-bottom: 0.5em;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.content h2 {
    font-size: 1.9em;
    margin-top: 3.5em;
    margin-bottom: 1.8em;
    padding-top: 1em;
    padding-bottom: 0.8em;
    font-weight: 600;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.content h3 {
    font-size: 1.5em;
    margin-top: 3em;
    margin-bottom: 1.5em;
    padding-top: 0.5em;
    padding-bottom: 0.3em;
    font-weight: 600;
}

.content p {
    margin-bottom: 2em;
    margin-top: 1em;
    line-height: 1.8;
    font-size: 1.1em;
    max-width: 80ch;
}

.content ul, .content ol {
    margin-top: 1.5em;
    margin-bottom: 2em;
    padding-left: 2em;
    max-width: 75ch;
}

.content li {
    margin-bottom: 1em;
    line-height: 1.7;
    font-size: 1.05em;
}

.content li p {
    margin-bottom: 1em;
    margin-top: 0.5em;
}

/* Better content sections spacing */
.content hr {
    margin: 3em 0;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    width: 80%;
}

/* Enhanced blockquotes */
.content blockquote {
    margin: 2em 0;
    padding: 1.5em 2em;
    border-left: 4px solid var(--sidebar-accent, #8A2BE2);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-style: italic;
    max-width: 75ch;
}

/* Better code blocks */
.content pre {
    margin: 2em 0;
    padding: 1.5em;
    border-radius: 8px;
    overflow-x: auto;
    max-width: 85ch;
}

.content code {
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

/* Sidebar toggle button enhancement */
#sidebar-toggle {
    transition: all 0.2s ease;
}

#sidebar-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}