/* ============================================
   Jinteia Wiki - Revolutionäres Design
   Grün-Schwarz-Weiß | Keine Tabellen | Maximal Lesbar
   ============================================ */

/* === CSS Reset & Variables === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Grün-Schwarz-Weiß Farbpalette */
    --mystic-dark: #000000;
    --mystic-deep: #0a0a0a;
    --mystic-black: #1a1a1a;
    --mystic-green-dark: #0d2818;
    --mystic-green: #1a4d2e;
    --mystic-green-bright: #2d8659;
    --mystic-green-light: #4ade80;
    --mystic-green-glow: #10b981;
    --mystic-emerald: #059669;
    --mystic-lime: #84cc16;
    --mystic-white: #ffffff;
    --mystic-gray: #e5e7eb;
    --mystic-gray-dark: #9ca3af;
    
    /* Background Colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(26, 26, 26, 0.95);
    --bg-card-hover: rgba(30, 30, 30, 0.98);
    
    /* Text Colors - Maximaler Kontrast */
    --text-primary: #ffffff;
    --text-secondary: #e5e7eb;
    --text-tertiary: #d1d5db;
    --text-muted: #9ca3af;
    --text-green: #4ade80;
    --text-green-bright: #84cc16;
    
    /* Glow Colors */
    --glow-green: rgba(16, 185, 129, 0.6);
    --glow-green-bright: rgba(132, 204, 22, 0.5);
    
    /* Shadows */
    --shadow-glow: 0 0 20px var(--glow-green), 0 0 40px var(--glow-green);
    --shadow-green: 0 0 15px var(--glow-green), 0 0 30px var(--glow-green);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.9);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --navbar-height: 80px;
    --max-content-width: 1600px;
}

/* === Base Styles === */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: var(--navbar-height);
    position: relative;
    overflow-x: hidden;
    font-size: 16px;
}

/* Grüner Sternenhimmel */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(2px 2px at 20% 30%, var(--mystic-green-light), transparent),
        radial-gradient(2px 2px at 60% 70%, var(--mystic-green-light), transparent),
        radial-gradient(1px 1px at 50% 50%, var(--mystic-green-light), transparent),
        radial-gradient(1px 1px at 80% 10%, var(--mystic-green-light), transparent),
        radial-gradient(2px 2px at 90% 40%, var(--mystic-green-light), transparent);
    background-size: 200% 200%;
    animation: starfield 60s linear infinite;
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
}

@keyframes starfield {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 200%; }
}

/* Grüner Nebel */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(5, 150, 105, 0.05) 0%, transparent 50%);
    animation: mist 20s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes mist {
    0%, 100% { opacity: 0.5; transform: translate(0, 0); }
    50% { opacity: 0.7; transform: translate(30px, -30px); }
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--mystic-green);
    box-shadow: 0 4px 30px rgba(16, 185, 129, 0.2);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: 0 4px 40px rgba(16, 185, 129, 0.3);
}

.nav-container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px var(--glow-green));
}

.nav-title {
    color: var(--mystic-green-light);
    text-shadow: 0 0 10px var(--glow-green);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--mystic-green-light);
    transition: width var(--transition-base);
    box-shadow: 0 0 10px var(--glow-green);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--mystic-green-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--mystic-green-light);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    box-shadow: 0 0 5px var(--glow-green);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* === Header === */
.main-header {
    background: 
        radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    padding: var(--spacing-3xl) var(--spacing-lg) calc(var(--spacing-3xl) + 80px);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 3px solid var(--mystic-green);
}

.header-content {
    max-width: var(--max-content-width);
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.header-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-xl);
}

.title-icon {
    font-size: 5rem;
    display: block;
    filter: drop-shadow(0 0 20px var(--glow-green));
}

.header-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    line-height: 1.1;
    color: var(--text-primary);
}

.title-text {
    color: var(--mystic-green-light);
    text-shadow: 0 0 20px var(--glow-green);
}

.title-accent {
    color: var(--mystic-white);
}

.title-underline {
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--mystic-green-light), transparent);
    margin: var(--spacing-lg) auto;
    border-radius: var(--radius-full);
    box-shadow: 0 0 20px var(--glow-green);
}

.header-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.header-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.badge-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    border: 2px solid var(--mystic-green);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.2);
}

.badge-link:hover {
    transform: translateY(-3px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
    color: var(--mystic-green-light);
}

.badge-icon {
    font-size: 1.25rem;
}

.header-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    color: var(--bg-primary);
    z-index: 1;
}

.header-wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* === Main Content === */
.main-content {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg) var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

.content-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

/* Klassen-Navigation */
.class-navigation {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 20px var(--glow-green);
}

.nav-title {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 600;
    color: var(--mystic-green-light);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.class-nav-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.class-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-base);
    font-weight: 600;
    font-size: 0.95rem;
}

.class-nav-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--mystic-green-light);
    transform: translateY(-3px);
    box-shadow: 0 0 15px var(--glow-green);
}

.class-nav-btn .class-icon {
    font-size: 1.5rem;
}

.content-section {
    scroll-margin-top: calc(var(--navbar-height) + var(--spacing-lg));
}

.section-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--mystic-green);
}

.section-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 10px var(--glow-green));
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--mystic-green-light);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 15px var(--glow-green);
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.6;
}

.subsection-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--mystic-green-bright);
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(16, 185, 129, 0.3);
    scroll-margin-top: calc(var(--navbar-height) + var(--spacing-lg));
}

.subsubsection-title {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 600;
    color: var(--mystic-green-light);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    padding-left: var(--spacing-md);
}

.build-title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    padding-left: var(--spacing-lg);
    opacity: 0.9;
}

/* === Innovative Karten-Layouts === */

/* Leveling Karten */
.leveling-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.level-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.level-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--mystic-green-light);
    box-shadow: 0 0 15px var(--glow-green);
}

.level-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.level-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.level-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.level-badge {
    display: inline-block;
    background: var(--mystic-green);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', monospace;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.level-card-content {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.level-card-content strong {
    color: var(--mystic-green-light);
    font-weight: 600;
}

.level-card-content em {
    color: var(--mystic-green-bright);
    font-style: italic;
}

/* Bonus Karten Grid */
.bonus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.bonus-item-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.bonus-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.bonus-item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bonus-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.bonus-badge {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--mystic-green);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.bonus-badge.must-have {
    background: rgba(16, 185, 129, 0.3);
    border-color: var(--mystic-green-light);
    box-shadow: 0 0 15px var(--glow-green);
}

.bonus-badge.optional {
    background: rgba(132, 204, 22, 0.2);
    border-color: var(--mystic-green-bright);
}

.bonus-badge.caster {
    background: rgba(5, 150, 105, 0.2);
    border-color: var(--mystic-emerald);
}

.bonus-badge.boss-bonus {
    background: rgba(16, 185, 129, 0.25);
    border-color: var(--mystic-green-light);
}

/* Upgrade Timeline */
.upgrade-timeline {
    position: relative;
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-xl) 0;
}

.upgrade-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--mystic-green);
    box-shadow: 0 0 10px var(--glow-green);
}

.upgrade-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-xl);
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-left: 0;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.upgrade-item::before {
    content: '';
    position: absolute;
    left: 20px;
    top: var(--spacing-lg);
    width: 20px;
    height: 20px;
    background: var(--mystic-green-light);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--glow-green);
    border: 3px solid var(--bg-primary);
}

.upgrade-item:hover {
    transform: translateX(10px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.priority-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--mystic-green);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    margin-right: var(--spacing-md);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    border: 2px solid var(--mystic-green-light);
}

.priority-badge.priority-1 {
    background: var(--mystic-green);
    box-shadow: 0 0 20px var(--glow-green);
}

.priority-badge.priority-2 {
    background: var(--mystic-green-bright);
    box-shadow: 0 0 20px rgba(132, 204, 22, 0.5);
}

.priority-badge.priority-3 {
    background: var(--mystic-emerald);
    box-shadow: 0 0 20px rgba(5, 150, 105, 0.5);
}

.upgrade-item-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.upgrade-item-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upgrade-item-note {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

/* Stone Cards */
.stone-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stone-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.stone-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.stone-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.stone-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stone-card.special {
    border-color: var(--mystic-green-light);
    background: rgba(16, 185, 129, 0.1);
}

.stone-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.stone-stat {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stone-stat strong {
    color: var(--mystic-green-light);
    display: block;
    margin-bottom: 0.25rem;
}

/* Map Cards */
.map-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.map-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.map-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.map-emoji {
    font-size: 2.5rem;
}

.map-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.map-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.map-tag {
    background: rgba(16, 185, 129, 0.2);
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--mystic-green);
    color: var(--text-primary);
}

.loot-item {
    background: rgba(10, 10, 10, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--mystic-green-light);
    margin-bottom: var(--spacing-md);
}

.loot-name {
    display: block;
    color: var(--mystic-green-light);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.loot-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.tip-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.tip-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.tip-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 10px var(--glow-green));
}

.tip-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mystic-green-light);
    margin-bottom: var(--spacing-md);
}

.tip-list {
    list-style-position: outside;
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.tip-list li {
    margin-bottom: var(--spacing-sm);
}

.tip-list strong {
    color: var(--mystic-green-bright);
    font-weight: 600;
}

/* Legend Box */
.legend-box {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin: var(--spacing-xl) 0;
    border: 2px solid var(--mystic-green);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.legend-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--mystic-green-light);
    margin-bottom: var(--spacing-md);
}

.legend-items {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.legend-badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--mystic-green);
    color: var(--text-primary);
    background: rgba(16, 185, 129, 0.2);
}

.legend-note {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.legend-note strong {
    color: var(--mystic-green-bright);
}

/* Buff Item Cards */
.buff-item-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.buff-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.buff-item-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.buff-item-effect {
    margin-bottom: var(--spacing-sm);
}

.buff-item-desc {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

.craft-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.craft-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.craft-section {
    background: rgba(10, 10, 10, 0.6);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--mystic-green);
}

.craft-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.craft-value {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.6;
}

.craft-value strong {
    color: var(--mystic-green-light);
    font-weight: 600;
}

.craft-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--mystic-green-light);
    margin: var(--spacing-xs) 0;
    filter: drop-shadow(0 0 10px var(--glow-green));
    line-height: 1;
}

.upgrade-item-card {
    background: var(--bg-card);
    border: 2px solid var(--mystic-green);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.upgrade-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--mystic-green-light);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.upgrade-item-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--mystic-green-light);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 10px var(--glow-green);
}

.upgrade-level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.upgrade-level-box {
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--mystic-green);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.upgrade-level-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--mystic-green-bright);
    margin-bottom: var(--spacing-xs);
    font-family: 'JetBrains Mono', monospace;
}

.upgrade-materials {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.upgrade-effect {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.6;
}

/* Utility */
.text-muted {
    color: var(--text-muted);
}

.badge-small {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: var(--spacing-xs);
    background: rgba(132, 204, 22, 0.2);
    border: 1px solid var(--mystic-green-bright);
    color: var(--text-primary);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 56px;
    height: 56px;
    background: var(--mystic-green);
    color: var(--text-primary);
    border: 2px solid var(--mystic-green-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    transition: all var(--transition-base);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
        border-top: 2px solid var(--mystic-green);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .upgrade-timeline::before {
        left: 20px;
    }
    
    .upgrade-item {
        padding-left: 60px;
    }
    
    .upgrade-item::before {
        left: 10px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: var(--navbar-height);
        font-size: 15px;
    }
    
    .main-content {
        padding: 0 var(--spacing-md) var(--spacing-2xl);
    }
    
    .main-header {
        padding: var(--spacing-2xl) var(--spacing-md) calc(var(--spacing-2xl) + 60px);
        min-height: 400px;
    }
    
    .leveling-grid,
    .bonus-grid,
    .stone-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .scroll-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .header-title {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .upgrade-timeline::before {
        display: none;
    }
    
    .upgrade-item {
        padding-left: var(--spacing-lg);
    }
    
    .upgrade-item::before {
        display: none;
    }
}

/* Accessibility */
*:focus-visible {
    outline: 2px solid var(--mystic-green-light);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

::selection {
    background: rgba(16, 185, 129, 0.4);
    color: var(--text-primary);
}