/**
 * HUMAN OS - Spatial Glass Design System
 * Premium, HUD-inspired UI with adaptive theming
 */

/* ========================================
   CSS VARIABLES - Adaptive Theme
   ======================================== */
:root {
    /* Light Mode (default) */
    --bg-primary: #FAFAF9;
    --bg-secondary: #F5F5F4;
    --bg-tertiary: #E7E5E4;
    --bg-glass: rgba(255, 255, 255, 0.75);
    --bg-glass-strong: rgba(255, 255, 255, 0.9);
    --bg-glass-subtle: rgba(255, 255, 255, 0.5);
    
    --text-primary: #1C1917;
    --text-secondary: #57534E;
    --text-tertiary: #A8A29E;
    --text-inverse: #FAFAF9;
    
    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-default: rgba(0, 0, 0, 0.1);
    --border-strong: rgba(0, 0, 0, 0.15);
    
    /* Gold Accent - The HumanOS Identity */
    --accent: #D4A574;
    --accent-hover: #C4956A;
    --accent-light: #E8C9A8;
    --accent-glow: rgba(212, 165, 116, 0.35);
    --accent-subtle: rgba(212, 165, 116, 0.15);
    
    /* Semantic Colors */
    --success: #22C55E;
    --success-subtle: rgba(34, 197, 94, 0.15);
    --warning: #F59E0B;
    --warning-subtle: rgba(245, 158, 11, 0.15);
    --error: #EF4444;
    --error-subtle: rgba(239, 68, 68, 0.15);
    --info: #3B82F6;
    --info-subtle: rgba(59, 130, 246, 0.15);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px var(--accent-glow);
    
    /* Blur */
    --blur-sm: 8px;
    --blur-md: 16px;
    --blur-lg: 24px;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-display: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Dark Mode */
.dark, [data-theme="dark"] {
    --bg-primary: #0C0A09;
    --bg-secondary: #1C1917;
    --bg-tertiary: #292524;
    --bg-glass: rgba(28, 25, 23, 0.8);
    --bg-glass-strong: rgba(28, 25, 23, 0.95);
    --bg-glass-subtle: rgba(28, 25, 23, 0.6);
    
    --text-primary: #FAFAF9;
    --text-secondary: #A8A29E;
    --text-tertiary: #78716C;
    --text-inverse: #1C1917;
    
    --border-subtle: rgba(255, 255, 255, 0.05);
    --border-default: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.12);
    
    /* Slightly brighter gold for dark mode */
    --accent: #E7B583;
    --accent-hover: #D4A574;
    --accent-light: #F5D5B0;
    --accent-glow: rgba(231, 181, 131, 0.25);
    --accent-subtle: rgba(231, 181, 131, 0.12);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* System preference detection */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-primary: #0C0A09;
        --bg-secondary: #1C1917;
        --bg-tertiary: #292524;
        --bg-glass: rgba(28, 25, 23, 0.8);
        --bg-glass-strong: rgba(28, 25, 23, 0.95);
        --bg-glass-subtle: rgba(28, 25, 23, 0.6);
        
        --text-primary: #FAFAF9;
        --text-secondary: #A8A29E;
        --text-tertiary: #78716C;
        --text-inverse: #1C1917;
        
        --border-subtle: rgba(255, 255, 255, 0.05);
        --border-default: rgba(255, 255, 255, 0.08);
        --border-strong: rgba(255, 255, 255, 0.12);
        
        --accent: #E7B583;
        --accent-hover: #D4A574;
        --accent-light: #F5D5B0;
        --accent-glow: rgba(231, 181, 131, 0.25);
        --accent-subtle: rgba(231, 181, 131, 0.12);
        
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    }
}

/* ========================================
   BASE STYLES
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-display);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Ambient background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, var(--accent-subtle) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, var(--accent-subtle) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   GLASS COMPONENTS
   ======================================== */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.glass-strong {
    background: var(--bg-glass-strong);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border: 1px solid var(--border-default);
}

.glass-subtle {
    background: var(--bg-glass-subtle);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--border-subtle);
}

/* Glass card with hover effect */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-default);
}

/* Glass panel (sidebar, nav) */
.glass-panel {
    background: var(--bg-glass-strong);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border: 1px solid var(--border-default);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary button - Gold accent */
.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm), 0 0 20px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md), 0 0 30px var(--accent-glow);
    transform: translateY(-1px);
}

/* Secondary button - Glass */
.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    backdrop-filter: blur(var(--blur-sm));
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-glass-strong);
    border-color: var(--accent);
}

/* Ghost button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-glass-subtle);
    color: var(--text-primary);
}

/* Icon button */
.btn-icon {
    padding: var(--space-sm);
    border-radius: var(--radius-md);
}

/* Button sizes */
.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* ========================================
   INPUTS
   ======================================== */
.input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg-glass);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    backdrop-filter: blur(var(--blur-sm));
    transition: all var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.input::placeholder {
    color: var(--text-tertiary);
}

/* Textarea */
textarea.input {
    min-height: 100px;
    resize: vertical;
}

/* Select */
select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23A8A29E'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-sm) center;
    background-size: 1.25rem;
    padding-right: var(--space-xl);
}

/* Label */
.label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Form group */
.form-group {
    margin-bottom: var(--space-lg);
}

/* ========================================
   NAVIGATION - Desktop
   ======================================== */
.nav-desktop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-bottom: 1px solid var(--border-subtle);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass-subtle);
}

.nav-link.active {
    color: var(--accent);
    background: var(--accent-subtle);
}

/* ========================================
   NAVIGATION - Mobile Bottom Nav
   ======================================== */
.nav-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: none;
    height: 80px;
    padding: var(--space-sm) var(--space-md);
    padding-bottom: env(safe-area-inset-bottom, var(--space-sm));
    background: var(--bg-glass-strong);
    backdrop-filter: blur(var(--blur-lg));
    -webkit-backdrop-filter: blur(var(--blur-lg));
    border-top: 1px solid var(--border-subtle);
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .nav-mobile {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
    
    body {
        padding-bottom: 80px;
    }
}

.nav-mobile-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    color: var(--text-tertiary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-width: 60px;
}

.nav-mobile-item:hover,
.nav-mobile-item.active {
    color: var(--accent);
}

.nav-mobile-item.active {
    background: var(--accent-subtle);
}

.nav-mobile-item svg {
    width: 24px;
    height: 24px;
}

.nav-mobile-item span {
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   TIKTOK-STYLE FOCUS CARDS
   ======================================== */
.focus-container {
    height: 100vh;
    height: 100dvh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
}

.focus-card {
    height: 100vh;
    height: 100dvh;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    position: relative;
}

.focus-card-content {
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.focus-card-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.focus-card-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.focus-card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.focus-card-ai {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.focus-card-ai-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.focus-card-ai-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.focus-card-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* Scroll indicator */
.focus-scroll-hint {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   POLICY CARDS
   ======================================== */
.policy-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    transition: all var(--transition-base);
}

.policy-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.policy-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.policy-status-active {
    background: var(--success-subtle);
    color: var(--success);
}

.policy-status-proposed {
    background: var(--accent-subtle);
    color: var(--accent);
}

.policy-status-paused {
    background: var(--warning-subtle);
    color: var(--warning);
}

.policy-condition {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--space-sm);
}

/* ========================================
   CHAT / ONBOARDING
   ======================================== */
.chat-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-lg);
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-bottom: 100px;
}

.chat-message {
    max-width: 80%;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message-ai {
    align-self: flex-start;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
}

.chat-message-user {
    align-self: flex-end;
    background: var(--accent);
    color: var(--text-inverse);
}

.chat-input-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(var(--blur-lg));
    border-top: 1px solid var(--border-subtle);
}

@media (max-width: 768px) {
    .chat-input-container {
        bottom: 80px;
    }
}

.chat-input-wrapper {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-sm);
}

.chat-input {
    flex: 1;
    padding: var(--space-md);
    font-size: 1rem;
}

/* ========================================
   INSIGHT CARDS
   ======================================== */
.insight-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.insight-card-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

/* ========================================
   INTEGRITY SCORE
   ======================================== */
.integrity-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.integrity-ring svg {
    transform: rotate(-90deg);
}

.integrity-ring-track {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.integrity-ring-progress {
    fill: none;
    stroke: var(--accent);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

.integrity-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.integrity-value-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.integrity-value-label {
    font-size: 0.625rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   UTILITIES
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.text-accent {
    color: var(--accent);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-mono {
    font-family: var(--font-mono);
}

.mt-auto {
    margin-top: auto;
}

.mb-0 {
    margin-bottom: 0;
}

/* Hide scrollbar but keep functionality */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========================================
   LOADING STATES
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-glass) 25%,
        var(--bg-glass-strong) 50%,
        var(--bg-glass) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

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

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-md);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-tertiary);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ========================================
   RESPONSIVE GRID
   ======================================== */
.grid-dashboard {
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: var(--space-lg);
    padding: var(--space-lg);
    min-height: calc(100vh - 64px);
}

@media (max-width: 1024px) {
    .grid-dashboard {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

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

/* Glow pulse for important elements */
.glow-pulse {
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px var(--accent-glow);
    }
    50% {
        box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-subtle);
    }
}