/* Profit Installments Calculator - Minimal Professional UI */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

.pic-wrapper {
    max-width: 520px;
    margin: 2rem auto;
    font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
    direction: rtl;
    --pic-primary: #f97316;
    --pic-primary-hover: #ea580c;
    --pic-primary-light: #fff7ed;
    --pic-success: #10b981;
    --pic-success-light: #ecfdf5;
    --pic-danger: #ef4444;
    --pic-text: #1e293b;
    --pic-text-secondary: #64748b;
    --pic-border: #e2e8f0;
    --pic-bg: #f8fafc;
    --pic-white: #ffffff;
    --pic-radius: 12px;
    --pic-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
    --pic-shadow-lg: 0 4px 12px rgba(0,0,0,.08), 0 8px 32px rgba(0,0,0,.06);
}

.pic-wrapper *,
.pic-wrapper *::before,
.pic-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.pic-card {
    background: var(--pic-white);
    border-radius: var(--pic-radius);
    box-shadow: var(--pic-shadow);
    padding: 2rem;
    transition: box-shadow .3s ease;
}

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

/* Header */
.pic-header {
    display: flex;
    align-items: center;
    gap: .875rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--pic-border);
}

.pic-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--pic-primary-light);
    color: var(--pic-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pic-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pic-text);
    line-height: 1.3;
}

.pic-subtitle {
    font-size: .8125rem;
    color: var(--pic-text-secondary);
    margin-top: 2px;
    font-weight: 400;
}

/* Fields */
.pic-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pic-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pic-label {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--pic-text-secondary);
    letter-spacing: -.01em;
}

.pic-input {
    width: 100%;
    height: 44px;
    padding: 0 .875rem;
    border: 1.5px solid var(--pic-border);
    border-radius: 8px;
    font-size: .9375rem;
    font-family: inherit;
    color: var(--pic-text);
    background: var(--pic-bg);
    transition: border-color .2s, box-shadow .2s, background .2s;
    outline: none;
    direction: rtl;
    text-align: center;
}

.pic-input::placeholder {
    color: #94a3b8;
    font-size: .8125rem;
}

.pic-input:focus {
    border-color: var(--pic-primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, .12);
    background: var(--pic-white);
}

.pic-input.pic-error-state {
    border-color: var(--pic-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, .1);
}

/* Select */
.pic-select-wrap {
    position: relative;
}

.pic-select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    padding-left: 2rem;
}

/* Error */
.pic-error {
    font-size: .75rem;
    color: var(--pic-danger);
    min-height: 1em;
    font-weight: 500;
    transition: opacity .2s;
}

/* Button */
.pic-btn {
    width: 100%;
    height: 48px;
    margin-top: .5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: var(--pic-primary);
    color: var(--pic-white);
    border: none;
    border-radius: 8px;
    font-size: .9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s, transform .1s, box-shadow .2s;
    outline: none;
}

.pic-btn:hover {
    background: var(--pic-primary-hover);
    box-shadow: 0 4px 12px rgba(249, 115, 22, .3);
}

.pic-btn:active {
    transform: scale(.985);
}

/* Result Section */
.pic-result {
    display: none;
    animation: picSlideIn .4s ease;
}

.pic-result.pic-visible {
    display: block;
}

.pic-result-divider {
    height: 1px;
    background: var(--pic-border);
    margin: 1.5rem 0;
}

.pic-result-grid {
    display: grid;
    gap: .75rem;
}

.pic-result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .875rem 1rem;
    border-radius: 8px;
    background: var(--pic-bg);
    border: 1px solid var(--pic-border);
    transition: background .2s;
}

.pic-result-item:hover {
    background: var(--pic-white);
}

.pic-result-label {
    font-size: .8125rem;
    font-weight: 500;
    color: var(--pic-text-secondary);
}

.pic-result-value {
    font-size: 1rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.pic-result-installment .pic-result-value {
    color: var(--pic-primary);
}

.pic-result-profit .pic-result-value {
    color: var(--pic-danger);
}

.pic-result-total {
    background: var(--pic-success-light);
    border-color: #d1fae5;
}

.pic-result-total:hover {
    background: #d1fae5;
}

.pic-result-total .pic-result-label {
    color: #065f46;
    font-weight: 600;
}

.pic-result-total .pic-result-value {
    color: var(--pic-success);
    font-size: 1.0625rem;
}

/* Animations */
@keyframes picSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 540px) {
    .pic-wrapper {
        margin: 1rem;
    }

    .pic-card {
        padding: 1.25rem;
    }

    .pic-field-row {
        grid-template-columns: 1fr;
        gap: .75rem;
    }

    .pic-title {
        font-size: 1.125rem;
    }

    .pic-result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}