/* ========================================
   NOMAD FINANCE PILOT - INDUSTRY-GRADE CSS
   God-level premium design system (Adapted from Self-Employed CFO)
   Theme: Sky (Runway) & Sunset (Freedom)
   ======================================== */

/* --- 1. Design System & CSS Variables --- */
:root {
    /* Nomad Finance Pilot Brand Colors */
    --pilot-50: #f0f9ff;
    --pilot-100: #e0f2fe;
    --pilot-500: #0ea5e9; /* Sky 500 - Primary */
    --pilot-600: #0284c7; /* Sky 600 */
    --pilot-900: #0c4a6e; /* Sky 900 */

    --sunset-50: #fff7ed;
    --sunset-100: #ffedd5;
    --sunset-400: #fb923c;
    --sunset-500: #f97316; /* Orange 500 - Accent */
    --sunset-600: #ea580c; /* Orange 600 */
    
    /* Base Palette */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #f1f5f9;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    
    /* Dark Theme Colors */
    --dark-bg: #0f172a; /* Slate 900 */
    --dark-card: #1e293b; /* Slate 800 */
    --dark-border: #334155;
    --dark-input: #0f172a;
    
    /* Semantic Colors */
    --color-success: #10b981; /* Emerald */
    --color-danger: #ef4444;  /* Red */
    --color-warning: #f59e0b; /* Amber */
    --color-info: #3b82f6;    /* Blue */
    
    /* Spacing & Radius */
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Support */


.dark {
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

/* --- 2. Global Resets --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
    transition: var(--transition-slow);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif; /* Display font */
}

/* --- 3. Navigation Bar --- */
nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.dark nav {
    background: rgba(15, 23, 42, 0.8);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 70px; /* Slightly taller for premium feel */
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--pilot-500), var(--sunset-500));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(14, 165, 233, 0.3);
    font-size: 1.1rem;
    animation: planeFloat 3s ease-in-out infinite;
}

@keyframes planeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-3px) rotate(2deg); }
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.025em;
    color: var(--text-main);
}

.dark .logo-text {
    color: var(--text-main);
}

.logo-accent {
    color: var(--pilot-600);
}
.dark .logo-accent {
    color: var(--pilot-500);
}

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

.nav-select {
    width: auto;
    padding: 0.5rem 1rem;
    padding-right: 2.5rem;
    font-size: 0.875rem;
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
}

.nav-select:hover {
    color: var(--pilot-500);
}

.dark .nav-select {
    color: var(--text-muted);
}

.dark .nav-select:hover {
    color: var(--pilot-500);
}

.nav-select:focus {
    outline: none;
    color: var(--pilot-500);
}

.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--pilot-500);
    transform: rotate(15deg);
}

.dark .theme-toggle {
    background: var(--dark-card);
}

/* --- 4. Main Layout --- */
main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    main {
        grid-template-columns: 5fr 7fr;
        gap: 3rem;
    }
}

/* --- 5. Glass Cards & Inputs --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.dark .card {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 1.25rem;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 1.25rem;
    pointer-events: none;
    transition: var(--transition);
}

.input-wrapper:focus-within .currency-symbol {
    color: var(--pilot-500);
}

input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 1rem 1rem 1rem 2.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    outline: none;
    transition: var(--transition);
}

input:focus, select:focus {
    border-color: var(--pilot-500);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
}

.dark input, .dark select {
    background: var(--dark-input);
    border-color: var(--dark-border);
}

/* Custom Range Slider */
input[type=range] {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
    margin: 1rem 0;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--sunset-500);
    cursor: pointer;
    margin-top: -10px;
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
    transition: var(--transition);
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 6px rgba(249, 115, 22, 0.2);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
}
.dark input[type=range]::-webkit-slider-runnable-track {
    background: var(--dark-border);
}

/* --- 6. Result Hero Card ("The Big Result") --- */
.hero-card {
    position: relative;
    border-radius: 2rem;
    padding: 2.5rem;
    overflow: hidden;
    color: white;
    box-shadow: var(--shadow-xl);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-slow);
}

/* Dynamic Backgrounds handled by JS via classes/style */
/* Light Mode Gradients - Soft & Premium */
.bg-gradient-sky { background: linear-gradient(135deg, var(--pilot-500), var(--pilot-600)); }
.bg-gradient-sunset { background: linear-gradient(135deg, var(--sunset-400), var(--sunset-500)); }
.bg-gradient-danger { background: linear-gradient(135deg, var(--color-danger), #b91c1c); }
.bg-gradient-success { background: linear-gradient(135deg, var(--color-success), #047857); }

/* Dark Mode Gradients - Deep & Neon */
.dark .bg-gradient-sky { background: linear-gradient(135deg, var(--pilot-900), #0f172a); }
.dark .bg-gradient-sunset { background: linear-gradient(135deg, var(--sunset-600), #431407); }
.dark .bg-gradient-danger { background: linear-gradient(135deg, var(--color-danger), #450a0a); }
.dark .bg-gradient-success { background: linear-gradient(135deg, #064e3b, #022c22); }

.hero-glow {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.4) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    filter: blur(60px);
    transition: var(--transition-slow);
    opacity: 0.6;
}

.dark .hero-glow {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hero-date {
    font-size: 1.25rem;
    font-weight: 500;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mini-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.mini-stat {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: var(--radius-lg);
}

.mini-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    opacity: 0.6;
    margin-bottom: 0.25rem;
}

.mini-value {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.progress-container {
    margin-top: 2rem;
}

.progress-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.progress-track {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 99px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: white;
    border-radius: 99px;
    transition: width 1s ease-out;
}

/* --- 7. Summary Grid --- */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 640px) {
    .summary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.dark .summary-card {
    background: rgba(30, 41, 59, 0.6);
}

.summary-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.summary-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
}

/* --- 8. Helper Classes --- */
.text-pilot { color: var(--pilot-500); }
.text-sunset { color: var(--sunset-500); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }

.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-6 { margin-bottom: 1.5rem; }

.hidden { display: none !important; }

/* Animation Utils */
.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}


/* --- 9. Time Capsule (God Tier UI) --- */
.time-capsule {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 1.5rem 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    display: inline-flex;
    align-items: baseline;
    gap: 1.5rem;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    cursor: pointer;
    user-select: none;
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.capsule-content {
    display: flex;
    align-items: baseline;
    transform: translateZ(20px);
}

.metric-value-group {
    display: flex;
    align-items: baseline;
    line-height: 1;
}

.metric-number {
    font-size: 4.5rem; /* Slightly smaller to fit layout */
    font-weight: 800;
    color: transparent;
    background: linear-gradient(180deg, #fff 20%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    letter-spacing: -0.04em;
    text-shadow: 0 10px 30px rgba(0,0,0,0.2);
    font-variant-numeric: tabular-nums;
    position: relative;
}

.metric-unit {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 0.5rem;
    transform: translateY(-0.5rem);
}

.metric-secondary {
    display: flex;
    align-items: baseline;
    margin-left: 1rem;
    position: relative;
    transition: opacity 0.3s;
}

.metric-divider {
    width: 1px;
    height: 2.5rem;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.3), transparent);
    margin: 0 1rem;
    transform: rotate(15deg);
}

.metric-number-sm {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    font-variant-numeric: tabular-nums;
}

.metric-unit-sm {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 0.35rem;
}

.metric-secondary.dimmed {
    opacity: 0.3;
    filter: grayscale(100%);
}

.glare {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.1) 0%, transparent 60%);
    border-radius: 24px;
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* Fallback Text for "Never" / "Infinite" */
.metric-text-fallback {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.02em;
}