/* CapabilityGym - Human-Crafted Design System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Karla:wght@300;400;500;600;700;800&family=Caveat:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Nature-Distilled Color Palette */
    --clay-warm: #C4A484;
    --soil-rich: #8B6F47;
    --wood-deep: #5D4E37;
    --stone-soft: #A8A196;
    --moss-gentle: #7A8471;
    --cream-natural: #F5F1EB;
    --charcoal-soft: #3A3A3A;
    
    /* Brand Colors (refined) */
    --hipo-blue: #4C62E3;
    --hipo-coral: #EE7D79;
    --hipo-grey: #D5D5D5;
    --hipo-black: #000000;
    
    /* Organic Gradients */
    --gradient-earth: linear-gradient(135deg, var(--clay-warm) 0%, var(--soil-rich) 100%);
    --gradient-nature: linear-gradient(45deg, var(--moss-gentle) 0%, var(--stone-soft) 50%, var(--clay-warm) 100%);
    --gradient-brand: linear-gradient(135deg, var(--hipo-blue) 0%, var(--hipo-coral) 100%);
    
    /* Typography Scale */
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-accent: 'Caveat', cursive;
    
    /* Organic Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3.5rem;
    --space-2xl: 5rem;
    
    /* Tactile Shadows */
    --shadow-soft: 0 2px 8px rgba(139, 111, 71, 0.1);
    --shadow-medium: 0 4px 16px rgba(139, 111, 71, 0.15);
    --shadow-strong: 0 8px 32px rgba(139, 111, 71, 0.2);
    --shadow-organic: 0 6px 20px rgba(164, 161, 150, 0.3);
}

/* Base Styles - Human-Centered */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--charcoal-soft);
    background: var(--cream-natural);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Organic Background Textures */
.gradient-bg {
    background: var(--gradient-brand);
    position: relative;
    overflow: hidden;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 241, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(196, 164, 132, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Asymmetric Layout System */
.container-organic {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.grid-asymmetric {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.grid-tactile {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    padding: var(--space-lg);
}

/* Typography - Human Touch */
.heading-display {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--wood-deep);
    margin-bottom: var(--space-md);
}

.heading-section {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.2;
    color: var(--soil-rich);
    margin-bottom: var(--space-sm);
}

.text-handwritten {
    font-family: var(--font-accent);
    font-size: 1.25rem;
    color: var(--moss-gentle);
    transform: rotate(-1deg);
    margin: var(--space-sm) 0;
}

.text-body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--charcoal-soft);
}

/* Enhanced Tactile Button System */
.btn-organic {
    font-family: var(--font-display);
    font-weight: 600;
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    box-shadow: var(--shadow-medium);
    transform: translateY(0);
    min-height: 44px;
    font-size: 1rem;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn-organic:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-organic:active {
    transform: translateY(0);
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    background: var(--gradient-earth);
    color: var(--cream-natural);
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: var(--soil-rich);
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: var(--cream-natural);
    color: var(--soil-rich);
    border: 2px solid var(--clay-warm);
}

.btn-secondary:hover {
    background: var(--clay-warm);
    color: var(--cream-natural);
    border-color: var(--soil-rich);
}

.btn-accent {
    background: var(--gradient-brand);
    color: white;
    border: 2px solid transparent;
}

.btn-accent:hover {
    background: var(--hipo-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn-ghost {
    background: transparent;
    color: var(--moss-gentle);
    border: 2px solid var(--moss-gentle);
}

.btn-ghost:hover {
    background: var(--moss-gentle);
    color: var(--cream-natural);
    border-color: var(--wood-deep);
}

/* Asymmetric Card System */
.card-organic {
    background: var(--cream-natural);
    border-radius: 16px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-organic);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card-organic:hover {
    transform: translateY(-4px) rotate(0.5deg);
    box-shadow: var(--shadow-strong);
}

.card-organic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-earth);
}

.card-asymmetric {
    clip-path: polygon(0 0, 95% 0, 100% 100%, 5% 100%);
    background: var(--stone-soft);
    color: var(--cream-natural);
}

/* Welcome Screen - Tactile Maximalism */
#welcomeScreen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.welcome-content {
    text-align: center;
    max-width: 800px;
    padding: var(--space-xl);
    position: relative;
    z-index: 2;
}

.welcome-content h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-sm);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-family: var(--font-accent);
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--cream-natural);
    margin-bottom: var(--space-lg);
    transform: rotate(-1deg);
    opacity: 0.95;
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
}

/* Navigation - Organic Flow */
.nav-organic {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(245, 241, 235, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(139, 111, 71, 0.1);
}

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

.logo-organic {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--soil-rich);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.nav-links a {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--moss-gentle);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--soil-rich);
}

/* Dashboard - Asymmetric Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.stats-organic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: var(--gradient-nature);
    color: var(--cream-natural);
    padding: var(--space-lg);
    border-radius: 20px;
    text-align: center;
    transform: rotate(-1deg);
    transition: transform 0.3s ease;
}

.stat-card:nth-child(even) {
    transform: rotate(1deg);
}

.stat-card:hover {
    transform: rotate(0deg) scale(1.05);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-family: var(--font-accent);
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Scenario Library - Tactile Grid */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
}

.scenario-card {
    background: var(--cream-natural);
    border-radius: 20px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-organic);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.scenario-card:hover {
    transform: translateY(-8px) rotate(-1deg);
    box-shadow: var(--shadow-strong);
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-earth);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-nature);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
    color: var(--cream-natural);
}

.scenario-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--soil-rich);
    margin-bottom: var(--space-sm);
}

.scenario-description {
    font-family: var(--font-body);
    color: var(--charcoal-soft);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.scenario-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--moss-gentle);
}

/* Chat Interface - Human Touch */
.chat-container {
    background: var(--cream-natural);
    border-radius: 20px;
    padding: var(--space-lg);
    height: 500px;
    overflow-y: auto;
    margin-bottom: var(--space-md);
    box-shadow: inset 0 2px 8px rgba(139, 111, 71, 0.1);
}

.message {
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.message.user {
    flex-direction: row-reverse;
}

.message-bubble {
    max-width: 70%;
    padding: var(--space-sm) var(--space-md);
    border-radius: 18px;
    font-family: var(--font-body);
    line-height: 1.5;
    position: relative;
}

.message.user .message-bubble {
    background: var(--gradient-earth);
    color: var(--cream-natural);
    border-bottom-right-radius: 6px;
}

.message.ai .message-bubble {
    background: var(--stone-soft);
    color: var(--charcoal-soft);
    border-bottom-left-radius: 6px;
}

.chat-input-container {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--clay-warm);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--cream-natural);
    color: var(--charcoal-soft);
    resize: none;
    min-height: 44px;
    max-height: 120px;
}

.chat-input:focus {
    outline: none;
    border-color: var(--soil-rich);
    box-shadow: 0 0 0 3px rgba(139, 111, 71, 0.1);
}

/* Loading Animation - Organic */
.loading-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--soil-rich);
    border-radius: 50%;
    animation: loadingDots 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingDots {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

/* Animations - Human Movement */
@keyframes bounceIn {
    0% { transform: scale(0.3) translateY(50px); opacity: 0; }
    50% { transform: scale(1.05) translateY(-10px); }
    70% { transform: scale(0.9) translateY(0); }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

@keyframes slideInLeft {
    0% { transform: translateX(-100px); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.bounce-in { animation: bounceIn 0.8s ease-out; }
.slide-in-left { animation: slideInLeft 0.6s ease-out; }
.fade-in-up { animation: fadeInUp 0.6s ease-out; }

/* Enhanced Mobile Optimization */
@media (max-width: 768px) {
    /* Layout Adjustments */
    .grid-asymmetric {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .scenario-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .welcome-actions {
        gap: var(--space-md);
    }
    
    .stats-organic {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    /* Navigation Mobile Optimization */
    .nav-organic {
        padding: var(--space-sm) 0;
    }
    
    .nav-content {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: center;
    }
    
    .nav-links {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    /* Button Mobile Optimization */
    .btn-organic {
        min-height: 48px; /* Touch-friendly size */
        font-size: 1rem;
        padding: var(--space-md) var(--space-lg);
        margin: var(--space-xs) 0;
    }
    
    /* Typography Mobile */
    .heading-display {
        font-size: clamp(2rem, 6vw, 3rem);
        line-height: 1.2;
    }
    
    .heading-section {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
    }
    
    /* Card Mobile Optimization */
    .card-organic {
        padding: var(--space-md);
        margin-bottom: var(--space-md);
    }
    
    /* Chat Interface Mobile */
    .chat-container {
        height: 400px;
        padding: var(--space-md);
    }
    
    .message-bubble {
        max-width: 85%;
        font-size: 0.95rem;
    }
    
    .chat-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: var(--space-md);
    }
    
    /* Welcome Screen Mobile */
    .welcome-content {
        padding: var(--space-lg) var(--space-md);
    }
    
    .welcome-content h1 {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    
    .tagline {
        font-size: clamp(1rem, 4vw, 1.5rem);
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .container-organic {
        padding: 0 var(--space-sm);
    }
    
    .card-organic {
        padding: var(--space-sm);
    }
    
    .btn-organic {
        width: 100%;
        margin: var(--space-xs) 0;
    }
    
    .stats-organic {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        transform: none; /* Remove rotation on small screens */
    }
    
    .scenario-card {
        padding: var(--space-md);
    }
    
    .welcome-actions {
        gap: var(--space-sm);
    }
}

/* Large Mobile/Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-organic {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr 1.5fr;
    }
}

/* Dark Mode - Nature Inspired */
.dark {
    --cream-natural: #2A2A2A;
    --charcoal-soft: #E5E5E5;
    --stone-soft: #4A4A4A;
    --clay-warm: #D4B896;
    --soil-rich: #A68B5B;
}

.dark body {
    background: var(--cream-natural);
    color: var(--charcoal-soft);
}

.dark .card-organic {
    background: var(--stone-soft);
    color: var(--charcoal-soft);
}

.dark .chat-container {
    background: var(--stone-soft);
}

.dark .chat-input {
    background: var(--cream-natural);
    border-color: var(--clay-warm);
    color: var(--charcoal-soft);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.btn-organic:focus,
.chat-input:focus {
    outline: 2px solid var(--hipo-blue);
    outline-offset: 2px;
}

/* Loading animations */
.loading-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.loading-dots span {
    width: 12px;
    height: 12px;
    background: var(--moss-gentle);
    border-radius: 50%;
    animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loading-bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* High Contrast */
@media (prefers-contrast: high) {
    :root {
        --charcoal-soft: #000000;
        --cream-natural: #FFFFFF;
        --soil-rich: #5D4E37;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--charcoal-deep);
        --text-primary: var(--cream-warm);
        --text-secondary: var(--stone-soft);
    }
}