:root {
    /* Color Palette */
    --color-bg: hsl(240, 16%, 5%);
    --color-panel: hsl(240, 10%, 8%);
    --color-panel-hover: hsl(240, 10%, 11%);
    --color-panel-border: rgba(255, 255, 255, 0.06);
    --color-panel-border-glow: rgba(124, 77, 255, 0.25);
    
    --color-text-primary: hsl(210, 24%, 96%);
    --color-text-secondary: hsl(210, 12%, 68%);
    --color-text-muted: hsl(210, 8%, 45%);
    
    --color-indigo: hsl(255, 88%, 68%);
    --color-indigo-glow: rgba(124, 77, 255, 0.35);
    
    --color-crimson: hsl(350, 100%, 62%);
    --color-crimson-glow: rgba(255, 59, 92, 0.2);
    
    --color-emerald: hsl(145, 80%, 45%);
    --color-emerald-glow: rgba(16, 185, 129, 0.2);
    
    /* Layout Variables */
    --border-radius-lg: 20px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Outfit', var(--font-sans);
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Luxury Background Glows */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

.glow-orb-1 {
    width: 400px;
    height: 400px;
    background-color: var(--color-indigo);
    top: -100px;
    left: -100px;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.glow-orb-2 {
    width: 350px;
    height: 350px;
    background-color: var(--color-crimson);
    bottom: 10%;
    right: -50px;
    animation: pulseGlow 12s infinite alternate-reverse ease-in-out;
}

@keyframes pulseGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.35; }
    50% { transform: scale(1.1) translate(30px, -20px); opacity: 0.45; }
    100% { transform: scale(0.9) translate(-10px, 30px); opacity: 0.3; }
}

/* App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-panel-border);
    padding-bottom: 1.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 38px;
    height: 38px;
    color: var(--color-indigo);
    filter: drop-shadow(0 0 8px var(--color-indigo-glow));
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text h1 span {
    color: var(--color-indigo);
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Pills & Badges */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-emerald);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-emerald);
    box-shadow: 0 0 8px var(--color-emerald);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Glassmorphism Panel Base */
.glass-panel {
    background: var(--color-panel);
    border: 1px solid var(--color-panel-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

/* 1. Hero Runway Card */
.hero-balance-card {
    grid-column: 1 / span 2;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.hero-balance-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--color-indigo-glow) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.balance-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
}

.balance-meta h2 {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
}

.days-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-panel-border);
    font-size: 0.8rem;
    font-weight: 600;
}

.days-badge svg {
    width: 14px;
    height: 14px;
}

.balance-display {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin: 0.5rem 0;
    z-index: 1;
}

.currency-symbol {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-indigo);
    text-shadow: 0 0 16px var(--color-indigo-glow);
}

#balanceAmount {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    text-shadow: 0 0 20px var(--color-indigo-glow);
}

.balance-footer {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--color-panel-border);
    padding-top: 1.5rem;
    z-index: 1;
}

.stat-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-val {
    font-size: 1.15rem;
    font-family: var(--font-display);
    font-weight: 700;
}

.text-indigo { color: var(--color-indigo); }
.text-red { color: var(--color-crimson); }
.text-green { color: var(--color-emerald); }

/* Chart Area */
.chart-container {
    height: 80px;
    width: 100%;
    margin-top: 0.5rem;
    z-index: 1;
}

#runwayChart {
    width: 100%;
    height: 100%;
    display: block;
    overflow: visible;
}

.chart-line {
    fill: none;
    stroke: var(--color-indigo);
    stroke-width: 3.5;
    stroke-linecap: round;
    filter: drop-shadow(0 2px 8px var(--color-indigo-glow));
}

.chart-projection {
    fill: none;
    stroke: var(--color-text-muted);
    stroke-width: 2.5;
    stroke-dasharray: 6 6;
    opacity: 0.6;
}

.chart-dot {
    fill: var(--color-indigo);
    stroke: var(--color-bg);
    stroke-width: 2.5;
    filter: drop-shadow(0 0 6px var(--color-indigo-glow));
}

/* 2. Sandbox Section */
.sandbox-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-panel-border);
    padding-bottom: 0.75rem;
}

.section-header svg {
    width: 20px;
    height: 20px;
    color: var(--color-indigo);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.section-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.sandbox-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.textarea-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

#expenseInput {
    width: 100%;
    min-height: 120px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-panel-border);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    resize: none;
    outline: none;
    transition: var(--transition-smooth);
}

#expenseInput:focus {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--color-indigo);
    box-shadow: 0 0 16px rgba(124, 77, 255, 0.15);
}

.word-indicator {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: right;
    margin-top: 0.4rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 1.75rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-indigo) 0%, hsl(265, 90%, 60%) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 77, 255, 0.45);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-panel-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-icon svg {
    width: 14px;
    height: 14px;
}

.arrow-icon {
    width: 16px;
    height: 16px;
    transition: var(--transition-smooth);
}

.btn-primary:hover .arrow-icon {
    transform: translateX(4px);
}

/* Shortcuts Layout */
.shortcuts-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.shortcuts-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.shortcuts-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.shortcut-tag {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-panel-border);
    color: var(--color-text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.shortcut-tag:hover {
    background: rgba(124, 77, 255, 0.08);
    border-color: var(--color-panel-border-glow);
    color: var(--color-indigo);
    transform: translateY(-1px);
}

/* 3. Roast Logs & Feed */
.logs-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.logs-feed {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 410px;
    overflow-y: auto;
    padding-right: 0.5rem;
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
}

/* Custom Webkit scrollbar for premium aesthetic */
.logs-feed::-webkit-scrollbar {
    width: 6px;
}

.logs-feed::-webkit-scrollbar-track {
    background: transparent;
}

.logs-feed::-webkit-scrollbar-thumb {
    background: var(--color-panel-border);
    border-radius: 50px;
}

.logs-feed::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Card item inside logs */
.log-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-panel-border);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    animation: slideIn 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.log-meta {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.log-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.log-pitch {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-style: italic;
    word-break: break-word;
}

.decision-chip {
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chip-approved {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--color-emerald);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.1);
}

.chip-rejected {
    background: rgba(255, 59, 92, 0.12);
    border: 1px solid rgba(255, 59, 92, 0.25);
    color: var(--color-crimson);
    box-shadow: 0 0 8px rgba(255, 59, 92, 0.1);
}

/* CFO Response dialog bubble layout */
.cfo-roast-wrapper {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.01);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    border-left: 3px solid var(--color-indigo);
}

.log-card.rejected-card .cfo-roast-wrapper {
    border-left-color: var(--color-crimson);
}

.log-card.approved-card .cfo-roast-wrapper {
    border-left-color: var(--color-emerald);
}

.cfo-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-indigo);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.log-card.rejected-card .cfo-avatar {
    background: var(--color-crimson);
}

.log-card.approved-card .cfo-avatar {
    background: var(--color-emerald);
}

.cfo-message {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--color-text-primary);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    height: 250px;
    color: var(--color-text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* 4. Humorous Full Screen Overlay Loader */
.thinking-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.thinking-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    max-width: 400px;
}

.loader-spinner {
    width: 60px;
    height: 60px;
}

.loader-spinner svg {
    animation: rotate 2s linear infinite;
    transform-origin: center center;
    width: 100%;
    height: 100%;
}

.loader-spinner circle {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
    stroke: var(--color-indigo);
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

@keyframes dash {
    0% { stroke-dasharray: 1, 200; stroke-dashoffset: 0; }
    50% { stroke-dasharray: 89, 200; stroke-dashoffset: -35px; }
    100% { stroke-dasharray: 89, 200; stroke-dashoffset: -124px; }
}

.loader-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
}

.loader-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
}

/* Owed-by Breakdown */
.owed-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-panel-border);
    z-index: 1;
}

.owed-person {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.7rem;
    border-radius: 50px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--color-emerald);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.owed-empty {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Lend Card (Amber toned) */
.log-card.lend-card {
    border-color: rgba(245, 158, 11, 0.15);
}

.chip-lend {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: hsl(38, 92%, 50%);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.1);
}

.log-card.lend-card .cfo-roast-wrapper {
    border-left-color: hsl(38, 92%, 50%);
}

.log-card.lend-card .cfo-avatar {
    background: hsl(38, 92%, 50%);
}

/* Query Card (Blue/Indigo toned) */
.log-card.query-card {
    border-color: rgba(124, 77, 255, 0.15);
}

.chip-query {
    background: rgba(124, 77, 255, 0.12);
    border: 1px solid rgba(124, 77, 255, 0.3);
    color: var(--color-indigo);
    box-shadow: 0 0 8px rgba(124, 77, 255, 0.1);
}

.log-card.query-card .cfo-roast-wrapper {
    border-left-color: var(--color-indigo);
}

.log-card.query-card .cfo-avatar {
    background: var(--color-indigo);
}

/* Person Tag in Log Cards */
.person-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-panel-border);
    color: var(--color-text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.3px;
}

/* Log Chips Container */
.log-chips {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

/* Balance tag at bottom of log card */
.log-balance-tag {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    text-align: right;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Responsive Scaling Rules */
@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-balance-card {
        grid-column: 1;
    }
}

@media (max-width: 600px) {
    .app-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .header-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    #balanceAmount {
        font-size: 4rem;
    }
    
    .balance-footer {
        flex-direction: column;
        gap: 1rem;
    }
}