/* ============================================
   SIMULADOR DE ORDEN - Arbitrify
   Single-screen, no-scroll layout
   ============================================ */

.sim-section {
    padding-top: 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Header */
.sim-header {
    text-align: center;
    margin-bottom: 2rem;
}

.sim-header h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.sim-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Main Panel */
.sim-panel {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    align-items: center;
}

/* Inputs */
.sim-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sim-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.sim-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.sim-field label .optional {
    text-transform: none;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: normal;
}

.sim-input-wrap {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.sim-input-wrap:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.1);
}

.sim-prefix,
.sim-suffix {
    padding: 0.625rem 0.75rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    background: rgba(0, 255, 136, 0.08);
}

.sim-input-wrap input {
    flex: 1;
    padding: 0.625rem 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 700;
    font-family: var(--font-display);
    width: 100%;
    min-width: 0;
}

.sim-input-wrap input:focus {
    outline: none;
}

.sim-input-wrap input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.875rem;
}

/* Presets */
.sim-presets {
    display: flex;
    gap: 0.375rem;
    margin-top: 0.5rem;
}

.sim-preset {
    flex: 1;
    padding: 0.3rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sim-preset:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Fee Toggle */
.fee-toggle {
    display: flex;
    gap: 0.5rem;
}

.fee-btn {
    flex: 1;
    padding: 0.625rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.fee-btn .fee-pct {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9375rem;
    margin-top: 0.125rem;
}

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

.fee-btn.active {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* Divider */
.sim-divider {
    width: 1px;
    align-self: stretch;
    background: var(--border-color);
}

/* Results */
.sim-results {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Break Even */
.sim-breakeven {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.08) 0%, rgba(0, 204, 106, 0.03) 100%);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
}

.be-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.be-price {
    display: block;
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 0.375rem;
}

.be-diff {
    display: inline-block;
    font-size: 0.8125rem;
    color: var(--primary);
    background: rgba(0, 255, 136, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

/* Fees inline */
.sim-fees-inline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.fees-label {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

#fee-summary {
    font-family: var(--font-display);
    color: var(--text-secondary);
}

/* Target Result */
.sim-target {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sim-target-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sim-target-row.highlight {
    background: rgba(0, 255, 136, 0.06);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.sim-target-price {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.sim-target-profit {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
}

.sim-target-profit.positive {
    color: var(--primary);
}

.sim-target-profit.neutral {
    color: var(--text-muted);
}

/* Stop Loss */
.sim-row.single {
    grid-template-columns: 1fr;
}

.sim-row.single .stoploss-field {
    max-width: 50%;
}

.stoploss-field .sim-input-wrap:focus-within {
    border-color: #ff4444;
    box-shadow: 0 0 0 2px rgba(255, 68, 68, 0.1);
}

.stoploss-field .sim-prefix {
    background: rgba(255, 68, 68, 0.08);
    color: #ff4444;
}

.sim-target-row.loss {
    background: rgba(255, 68, 68, 0.06);
    border: 1px solid rgba(255, 68, 68, 0.2);
}

.sim-target-loss {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
}

.sim-target-loss.negative {
    color: #ff4444;
}

.sim-target-loss.positive {
    color: var(--primary);
}

.sim-loss-values {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sim-loss-pct {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
}

.sim-loss-pct.negative {
    color: #ff4444;
}

.sim-loss-pct.positive {
    color: var(--primary);
}

/* Custom sell price result */
.sim-custom-profit {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
}

.sim-custom-profit.positive {
    color: var(--primary);
}

.sim-custom-profit.negative {
    color: #ff4444;
}

.sim-custom-pct {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
}

.sim-custom-pct.positive {
    color: var(--primary);
}

.sim-custom-pct.negative {
    color: #ff4444;
}

/* Footer note */
.sim-footer-note {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sim-footer-note a {
    color: var(--primary);
    font-weight: 500;
}

.sim-footer-note a:hover {
    opacity: 0.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .sim-panel {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .sim-divider {
        width: 100%;
        height: 1px;
    }

    .sim-section {
        align-items: flex-start;
        padding-top: 5.5rem;
    }
}

@media (max-width: 768px) {
    .sim-header h1 { font-size: 1.75rem; }
    .sim-header p { font-size: 0.9375rem; }
    .be-price { font-size: 2rem; }
    .sim-panel { padding: 1.5rem; gap: 1.25rem; }
    .sim-inputs { gap: 1rem; }
    .sim-results { gap: 1rem; }
    .fee-toggle { flex-wrap: wrap; }
    .fee-btn { min-width: calc(33% - 0.33rem); }
}

@media (max-width: 600px) {
    .sim-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .sim-row.single .stoploss-field {
        max-width: 100%;
    }

    .sim-panel {
        padding: 1.25rem;
        border-radius: 16px;
    }

    .be-price {
        font-size: 1.75rem;
    }

    .sim-header h1 {
        font-size: 1.5rem;
    }

    .sim-header p {
        font-size: 0.875rem;
    }

    .fee-toggle {
        flex-wrap: wrap;
    }

    .fee-btn {
        min-width: calc(50% - 0.25rem);
    }

    .sim-field label {
        font-size: 0.6875rem;
    }

    .sim-input-wrap input {
        font-size: 1rem;
        padding: 0.5rem 0.625rem;
    }

    .sim-prefix,
    .sim-suffix {
        padding: 0.5rem 0.625rem;
        font-size: 0.9375rem;
    }

    .sim-presets {
        gap: 0.25rem;
    }

    .sim-preset {
        padding: 0.25rem 0.375rem;
        font-size: 0.6875rem;
    }

    .sim-breakeven {
        padding: 1.25rem 0.875rem;
    }

    .be-label {
        font-size: 0.6875rem;
    }

    .be-diff {
        font-size: 0.75rem;
        padding: 0.15rem 0.5rem;
    }

    .sim-target-row {
        padding: 0.625rem 0.875rem;
        font-size: 0.8125rem;
    }

    .sim-target-price,
    .sim-target-profit,
    .sim-target-loss {
        font-size: 0.9375rem;
    }

    .sim-fees-inline {
        font-size: 0.6875rem;
        padding: 0.375rem 0.75rem;
    }

    .sim-footer-note {
        font-size: 0.6875rem;
    }
}

@media (max-width: 480px) {
    .sim-section {
        padding-top: 5rem;
        min-height: auto;
    }

    .sim-header {
        margin-bottom: 1.5rem;
    }

    .sim-header h1 {
        font-size: 1.25rem;
    }

    .sim-panel {
        padding: 1rem;
    }

    .be-price {
        font-size: 1.5rem;
    }

    .fee-btn {
        padding: 0.5rem 0.375rem;
        font-size: 0.75rem;
    }

    .fee-btn .fee-pct {
        font-size: 0.8125rem;
    }

    .sim-input-wrap input {
        font-size: 0.9375rem;
    }

    .sim-target-row {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }

    .sim-target-price,
    .sim-target-profit,
    .sim-target-loss {
        font-size: 0.875rem;
    }
}

@media (max-width: 360px) {
    .sim-section {
        padding-top: 4.5rem;
    }

    .sim-header h1 {
        font-size: 1.125rem;
    }

    .sim-panel {
        padding: 0.875rem;
    }

    .be-price {
        font-size: 1.375rem;
    }

    .fee-btn {
        min-width: 100%;
    }

    .sim-target-row {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
}