/* Reset & Neutral Variables */
:root {
    --bg-main: #F9FAFB;
    --bg-card: #FFFFFF;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-dark: #111827;
    --primary: #2563EB; /* Clean blue */
    --primary-hover: #1D4ED8;
    --accent-green: #059669; /* Balanced green */
    --accent-green-bg: #D1FAE5;
    --accent-red: #DC2626; /* Warning red */
    --accent-red-bg: #FEE2E2;
    --accent-gold: #D97706; /* Valve warning */
    --accent-gold-bg: #FEF3C7;
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Outfit', sans-serif;
    --shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --transition-smooth: all 0.2s ease-in-out;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow-subtle);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    font-size: 1.75rem;
}

.logo-area h1 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-dark);
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Badges */
.badge {
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-inactive {
    background-color: var(--accent-green-bg);
    color: var(--accent-green);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge-active {
    background-color: var(--accent-gold-bg);
    color: var(--accent-gold);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

/* Main Layout */
.app-main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.grid-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.5rem;
}

.span-cols {
    grid-column: span 2;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

.card h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

/* Robinhood Instructions Card */
.instructions-card {
    border-left: 4px solid var(--primary);
    background-color: #F8FAFC;
}

.instruction-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.instruction-box {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding: 0.75rem;
    background-color: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.instruction-box h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.instruction-box p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

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

/* Table Wrapper & Holdings */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.holdings-table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
}

.holdings-table th {
    background-color: #F3F4F6;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.holdings-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.asset-info {
    display: flex;
    flex-direction: column;
}

.ticker {
    font-weight: 700;
    color: var(--text-dark);
    font-family: var(--font-display);
    font-size: 0.95rem;
}

.asset-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Inputs styling */
input[type="number"] {
    background: #FFFFFF;
    border: 1px solid #D1D5DB;
    color: var(--text-dark);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    width: 100%;
    outline: none;
    transition: var(--transition-smooth);
}

input[type="number"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-money {
    text-align: right;
}

/* Contribution styling */
.input-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

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

.input-prefix {
    position: absolute;
    left: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    pointer-events: none;
}

.input-wrapper input {
    padding-left: 1.5rem;
}

.input-help {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.total-bar {
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: 0.5rem;
    padding: 0.85rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
}

.total-bar span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.total-bar strong {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: #FFFFFF;
    font-weight: 600;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    cursor: pointer;
    width: 100%;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background: #FFFFFF;
    color: var(--text-primary);
    border: 1px solid #D1D5DB;
    font-weight: 500;
    padding: 0.4rem 0.85rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: #F9FAFB;
    border-color: #C4B5FD;
}

/* Results layout */
.card-header-split {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.results-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.status-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-pill {
    background: #F9FAFB;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.stat-val {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 0.15rem;
}

.valve-alert-box {
    border-radius: 0.5rem;
    padding: 1rem;
    font-size: 0.85rem;
    border: 1px solid transparent;
}

.valve-alert-normal {
    background-color: var(--accent-green-bg);
    border-color: rgba(5, 150, 105, 0.2);
    color: #065F46;
}

.valve-alert-active {
    background-color: var(--accent-gold-bg);
    border-color: rgba(217, 119, 6, 0.2);
    color: #92400E;
}

.valve-alert-heading {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

/* Plan Actions */
.execution-plan h3 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.account-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.action-column {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.action-column h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.roth-header { color: #1D4ED8; }
.taxable-header { color: #047857; }

.action-list {
    list-style: none;
    flex: 1;
    margin-bottom: 1rem;
}

.action-list li {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed #F3F4F6;
    padding-bottom: 0.25rem;
}

.action-list li .buy-val {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-dark);
}

.action-total {
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 0.5rem;
    text-align: right;
}

.action-total span {
    font-weight: 700;
    color: var(--text-dark);
}

/* Comparison Table */
.comparison-wrapper {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.comparison-wrapper h3 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.comparison-table th {
    background-color: #F9FAFB;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table td {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.comparison-table tbody tr:hover {
    background: #F9FAFB;
}

.ticker-cell {
    font-weight: 700;
    color: var(--text-dark);
}

.drift-badge {
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.drift-ok {
    background: var(--accent-green-bg);
    color: var(--accent-green);
}

.drift-warn {
    background: var(--accent-gold-bg);
    color: var(--accent-gold);
}

.drift-over {
    background: var(--accent-red-bg);
    color: var(--accent-red);
}

.status-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

.status-ok { background: var(--accent-green-bg); color: var(--accent-green); }
.status-out { background: var(--accent-gold-bg); color: var(--accent-gold); }

/* Footer */
.app-footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    background: #FFFFFF;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .span-cols {
        grid-column: span 1;
    }
    
    .results-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .instruction-grid {
        grid-template-columns: 1fr;
    }
    
    .account-actions {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}