:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text-bright: #f8fafc;
    --text-muted: #94a3b8;
    --brand-blue: #2563eb;
    --brand-blue-hover: #1d4ed8;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-gold: #f59e0b;
    --border-color: #475569;
}

/* Custom Select Dropdowns Enhancement */
.risk-engine-box select {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-bright);
    border-radius: 4px;
    outline: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://w3.org' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'><path d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.risk-engine-box select:focus {
    border-color: var(--brand-blue);
}


.risk-engine-box {
    margin-top: 24px;
    padding: 16px;
    background-color: rgba(15, 23, 42, 0.5);
    border: 1px dashed var(--border-color);
    border-radius: 4px;
}
.risk-engine-box h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.input-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.input-sub label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.risk-engine-box select {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-bright);
    border-radius: 4px;
    outline: none;
}
.risk-result {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 700;
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-bright);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Splash Screen Component Styling */
.splash-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-main);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.splash-content {
    text-align: center;
    padding: 20px;
}

.splash-icon {
    font-size: 4rem;
    color: var(--brand-blue);
    margin-bottom: 20px;
}

.splash-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.splash-credit {
    font-size: 1.1rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
    font-weight: 600;
}

.loading-bar {
    width: 180px;
    height: 4px;
    background-color: var(--bg-input);
    border-radius: 2px;
    margin: 0 auto;
    overflow: hidden;
}

.loading-progress {
    width: 100%;
    height: 100%;
    background-color: var(--brand-blue);
    animation: loadProgress 2s ease-in-out infinite;
}

@keyframes loadProgress {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Application Container Layout */
.app-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hidden {
    display: none !important;
    opacity: 0;
}

.app-header {
    padding: 20px 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 24px;
}

.app-header h1 {
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 4px;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    flex: 1;
}

@media (min-width: 768px) {
    .grid-layout {
        grid-template-columns: 4fr 5fr;
    }
}

/* Card Container Mechanics */
.control-panel, .output-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 4px;
    align-self: start;
}

h2 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Inputs Structure */
.input-group {
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
}

input[type="number"] {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-bright);
    font-size: 1.1rem;
    border-radius: 4px;
    outline: none;
}

input[type="number"]:focus {
    border-color: var(--brand-blue);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 24px 0 8px 0;
    cursor: pointer;
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-blue);
}

.checkbox-container label {
    font-size: 0.95rem;
    font-weight: 600;
    user-select: none;
}

.help-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.btn-calculate {
    width: 100%;
    padding: 14px;
    background-color: var(--brand-blue);
    border: none;
    color: var(--text-bright);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-calculate:hover {
    background-color: var(--brand-blue-hover);
}

/* Output Layout Structure */
.matrix-header {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    background-color: var(--bg-input);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    border-radius: 4px 4px 0 0;
}

.matrix-rows {
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(15, 23, 42, 0.3);
}

.matrix-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.matrix-row:last-child {
    border-bottom: none;
}

.level-badge {
    font-weight: 700;
    font-size: 0.95rem;
    background-color: var(--bg-input);
    padding: 4px 8px;
    border-radius: 4px;
    min-width: 48px;
    text-align: center;
}

.level-badge.high-anchor { background-color: var(--accent-green); color: #000; }
.level-badge.low-anchor { background-color: var(--accent-red); color: #000; }

.price-display {
    font-family: monospace;
    font-size: 1.2rem;
    font-weight: 700;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

/* Colors Utilities */
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-gold { color: var(--accent-gold); }

/* Footer Specifications */
.app-footer {
    text-align: center;
    padding: 30px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
    border-top: 1px solid var(--border-color);
}

.footer-name {
    color: var(--text-bright);
    font-weight: 600;
}