/* ==============================================
   osu! PP Calculator - Modern Cyberpunk Style
   ============================================== */

:root {
    /* Primary Colors */
    --primary: #FF1493;
    --primary-dark: #CC0066;
    --primary-light: #FF69B4;
    
    /* Accent Colors */
    --accent: #00F0FF;
    --accent-dark: #00B8CC;
    --accent-light: #80F8FF;
    
    /* Background Colors */
    --bg-primary: #0A0A0F;
    --bg-secondary: #141419;
    --bg-tertiary: #1E1E28;
    --bg-card: rgba(20, 20, 25, 0.8);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B8B8D0;
    --text-muted: #7878A0;
    
    /* Status Colors */
    --success: #00FF88;
    --warning: #FFD700;
    --danger: #FF3366;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-bg: linear-gradient(180deg, #0A0A0F 0%, #1a0a1f 50%, #0A0A0F 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(255, 20, 147, 0.1);
    --shadow-md: 0 4px 16px rgba(255, 20, 147, 0.2);
    --shadow-lg: 0 8px 32px rgba(255, 20, 147, 0.3);
    --shadow-glow: 0 0 20px rgba(255, 20, 147, 0.4);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #F5F5FA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E8E8F0;
    --bg-card: rgba(255, 255, 255, 0.9);
    
    --text-primary: #1A1A2E;
    --text-secondary: #4A4A6A;
    --text-muted: #8A8AA0;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

/* ==============================================
   Reset & Base Styles
   ============================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Skip to main content for accessibility */
.skip-to-main {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    font-weight: 700;
    z-index: 9999;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top 0.3s ease;
}

.skip-to-main:focus {
    top: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Exo 2', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ==============================================
   Background Animation
   ============================================== */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 600px;
    height: 600px;
    bottom: -300px;
    right: -300px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation-delay: 7s;
}

.circle-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 20, 147, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 20, 147, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

/* ==============================================
   Header
   ============================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 20, 147, 0.2);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.logo-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(255, 20, 147, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 30px rgba(255, 20, 147, 0.6);
    }
}

.logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text .accent {
    font-weight: 900;
}

.nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-family: 'Exo 2', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-btn .icon {
    font-size: 1.2rem;
}

.nav-btn:hover {
    background: rgba(255, 20, 147, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.theme-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.3);
    color: var(--accent);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--gradient-primary);
    border-color: var(--primary);
    transform: rotate(180deg) scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* ==============================================
   Main Container
   ============================================== */

.main-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: calc(100vh - 100px);
}

.tab-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==============================================
   Cards
   ============================================== */

.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 20, 147, 0.2);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(255, 20, 147, 0.4);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid rgba(255, 20, 147, 0.2);
}

.card-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==============================================
   Calculator Grid
   ============================================== */

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-xl);
}

.input-card {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}

.results-card {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.rank-card {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
}

/* ==============================================
   Input Groups
   ============================================== */

.input-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.label-icon {
    font-size: 1.2rem;
}

.input-wrapper {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    border: none;
    transition: all var(--transition-fast);
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

.input-number {
    width: 100px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Orbitron', monospace;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
}

.input-number:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 20, 147, 0.2);
}

.input-value-display {
    text-align: center;
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* ==============================================
   Mods Grid
   ============================================== */

.mods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.mod-btn {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.mod-btn:hover {
    background: rgba(255, 20, 147, 0.2);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mod-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* ==============================================
   Preset Dropdown
   ============================================== */

.preset-dropdown {
    position: relative;
}

.preset-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.preset-btn:hover {
    background: rgba(255, 20, 147, 0.2);
    border-color: var(--primary);
}

.preset-menu {
    position: fixed;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 20, 147, 0.4);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 99999;
    min-width: 180px;
    max-width: 250px;
}

.preset-menu.show {
    display: flex;
}

.preset-item {
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 20, 147, 0.1);
}

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

.preset-item:hover {
    background: var(--gradient-primary);
    color: white;
}

.preset-item:active {
    background: var(--accent);
    transform: scale(0.98);
}

@media (max-width: 768px) {
    .preset-menu {
        max-width: calc(100vw - 40px);
    }
    
    .preset-item {
        padding: 16px 20px;
        font-size: 1rem;
    }
}

/* ==============================================
   Buttons
   ============================================== */

.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-family: 'Exo 2', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 20, 147, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    border-color: rgba(255, 20, 147, 0.3);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 20, 147, 0.2);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 16px rgba(255, 51, 102, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 51, 102, 0.5);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.icon-btn:hover {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.result-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ==============================================
   Results Display
   ============================================== */

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

.total-pp-display {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 20, 147, 0.1) 0%, rgba(0, 240, 255, 0.1) 100%);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 20, 147, 0.3);
}

.pp-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.pp-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
}

.pp-number {
    font-family: 'Orbitron', monospace;
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    text-shadow: 0 0 30px rgba(255, 20, 147, 0.5);
}

.pp-suffix {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

/* ==============================================
   PP Breakdown
   ============================================== */

.pp-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.breakdown-item {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.breakdown-item:hover {
    border-color: rgba(255, 20, 147, 0.5);
    transform: translateX(5px);
}

.breakdown-icon {
    grid-row: 1 / 3;
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.breakdown-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.breakdown-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.breakdown-value {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 700;
}

.breakdown-item.aim .breakdown-value {
    color: var(--primary);
}

.breakdown-item.speed .breakdown-value {
    color: var(--accent);
}

.breakdown-item.accuracy .breakdown-value {
    color: var(--warning);
}

.breakdown-bar {
    grid-column: 2 / 3;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    border-radius: var(--radius-lg);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.breakdown-item.aim .breakdown-fill {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 0 10px rgba(255, 20, 147, 0.5);
}

.breakdown-item.speed .breakdown-fill {
    background: linear-gradient(90deg, var(--accent-dark) 0%, var(--accent) 100%);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.breakdown-item.accuracy .breakdown-fill {
    background: linear-gradient(90deg, #CC9900 0%, var(--warning) 100%);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* ==============================================
   Stats Grid
   ============================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid rgba(255, 20, 147, 0.1);
    transition: all var(--transition-base);
}

.stat-item:hover {
    border-color: rgba(255, 20, 147, 0.3);
    transform: translateY(-3px);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

/* ==============================================
   Rank Display
   ============================================== */

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

.rank-display {
    display: flex;
    justify-content: center;
}

.rank-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(255, 20, 147, 0.1) 0%, rgba(0, 240, 255, 0.1) 100%);
    border-radius: var(--radius-xl);
    border: 3px solid rgba(255, 20, 147, 0.3);
    min-width: 200px;
    transition: all var(--transition-base);
}

.rank-badge:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.rank-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.rank-number {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.rank-tier {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==============================================
   Milestones
   ============================================== */

.milestones-section {
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.milestones-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.milestones-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.milestone-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: rgba(255, 20, 147, 0.05);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent);
    transition: all var(--transition-base);
}

.milestone-item:hover {
    background: rgba(255, 20, 147, 0.1);
    transform: translateX(5px);
}

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

.milestone-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.milestone-emoji {
    font-size: 1.5rem;
    line-height: 1;
}

.milestone-rank {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.milestone-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.milestone-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-left: 2.5rem;
}

.milestone-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.milestone-pp {
    font-family: 'Orbitron', monospace;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.milestone-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-bright));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-family: 'Orbitron', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 45px;
    text-align: right;
}

.milestone-empty {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ==============================================
   History
   ============================================== */

.history-container {
    max-width: 1000px;
    margin: 0 auto;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 20, 147, 0.1);
    transition: all var(--transition-base);
}

.history-item:hover {
    border-color: rgba(255, 20, 147, 0.3);
    transform: translateX(5px);
}

.history-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.history-params {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.history-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 20, 147, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.history-pp {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.history-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-subtitle {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ==============================================
   Info Section
   ============================================== */

.info-container {
    max-width: 900px;
    margin: 0 auto;
}

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

.info-section h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.info-section p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.info-section ul {
    list-style: none;
    padding: 0;
}

.info-section li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.8;
    color: var(--text-secondary);
}

.info-section li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.info-section strong {
    color: var(--text-primary);
}

.info-note {
    padding: var(--spacing-md);
    background: rgba(255, 215, 0, 0.1);
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
}

/* ==============================================
   Modal
   ============================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 20, 147, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 2px solid rgba(255, 20, 147, 0.2);
}

.modal-title {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: var(--spacing-xl);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.share-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: 'Exo 2', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.share-option:hover {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.share-icon {
    font-size: 1.5rem;
}

/* ==============================================
   Toast Notification
   ============================================== */

.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 2px solid var(--success);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-weight: 600;
    z-index: 1001;
    transform: translateX(400px);
    transition: transform var(--transition-base);
}

.toast.active {
    transform: translateX(0);
}

.toast-icon {
    font-size: 1.5rem;
    color: var(--success);
}

/* ==============================================
   Responsive Design
   ============================================== */

@media (max-width: 1200px) {
    .calculator-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .input-card,
    .results-card,
    .rank-card {
        grid-column: 1 / 2;
        grid-row: auto;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .header-content {
        flex-wrap: wrap;
    }
    
    .nav {
        order: 3;
        width: 100%;
        justify-content: space-between;
    }
    
    .nav-btn {
        flex: 1;
        padding: var(--spacing-sm);
    }
    
    .nav-btn span:not(.icon) {
        display: none;
    }
    
    .mods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        grid-template-columns: 1fr;
    }
    
    /* Clear All button smaller on mobile */
    #clearHistoryBtn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    #clearHistoryBtn .btn-icon {
        font-size: 1rem;
    }
    
    /* History item buttons smaller */
    .history-item-actions {
        gap: 0.25rem;
    }
    
    .history-item-actions .btn-small {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .card-header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    .share-options {
        grid-template-columns: 1fr;
    }
    
    .pp-number {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .pp-number {
        font-size: 2.5rem;
    }
    
    .breakdown-value {
        font-size: 1.3rem;
    }
    
    .rank-number {
        font-size: 2rem;
    }
}

/* ==============================================
   Print Styles
   ============================================== */

@media print {
    .header,
    .nav,
    .theme-toggle,
    .button-group,
    .result-actions,
    .bg-animation {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}

/* ==============================================
   Footer Styles
   ============================================== */

.footer {
    background: linear-gradient(135deg, #0A0A0F 0%, #1a0a1f 50%, #0A0A0F 100%);
    border-top: 2px solid rgba(255, 20, 147, 0.3);
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%,
        var(--primary) 50%,
        transparent 100%
    );
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 20, 147, 0.2);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo .logo-circle {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 20, 147, 0.5);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 20, 147, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 20, 147, 0.4);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--transition-base);
    display: inline-block;
}

.footer-link:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.footer-copyright p {
    margin: 0;
    line-height: 1.6;
}

.footer-disclaimer {
    opacity: 0.7;
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 20, 147, 0.1);
    border: 1px solid rgba(255, 20, 147, 0.3);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Footer Responsive */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
        margin-top: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-badges {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-description {
        margin: 0 auto;
    }
}