.container {
    max-width: 950px;
    margin: 30px auto;
    background: #0b1120;
    padding: 35px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    border: 1px solid #1e293b;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    direction: ltr;
    text-align: left;
}

.container h1 {
    font-size: 28px;
    margin-top: 0;
    margin-bottom: 8px;
    color: white;
    font-weight: 700;
    border-bottom: 3px solid #00b4d8;
}

.container p.subtitle {
    color: #4b5563;
    font-size: 14px;
    margin-bottom: 25px;
    padding-bottom: 15px;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

@media (max-width: 768px) {
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.form-group {
    margin-bottom: 20px;
}

.container label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 6px;
    color: white;
}

.container select, .container input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #1e293b;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    outline: none;
    background-color: #1e293b;
    color: white;
    transition: border-color 0.15s ease-in-out;
}

.container select:focus, .container input:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

/* دیزاین باکس خروجی دقیقاً مشابه سایر ابزارها (بدون خط آبی سمت چپ) */
.results-section {
    display: flex;
    flex-direction: column;
}

.result-card {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 25px;
}

.result-box-item {
    margin-bottom: 0;
}

.res-title {
    font-size: 11px;
    color: #6b7280;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.res-value {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-top: 4px;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
}

.status-safe { background: #d1fae5; color: #065f46; }
.status-warning { background: #fef3c7; color: #92400e; }
.status-danger { background: #fee2e2; color: #991b1b; }

/* دکمه ریست مشکی مشابه ابزارهای دیگر */
.btn-reset {
    background-color: #00b4d8;
    color: white;
    border: none;
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.15s;
}

.btn-reset:hover {
    background-color: #1f2937 !important;
}

/* استایل‌های بخش About */
.about-section h2 {
    font-size: 28px;
    color: #00b4d8;
    margin-top: 0;
    margin-bottom: 12px;
    border-bottom: 3px solid #00b4d8;
}

.about-section p {
    color: white;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.about-section h3 {
    font-size: 16px;
    color: #0284c7;
    margin-top: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}

.about-section ul {
    color: white;
    font-size: 14px;
    line-height: 1.6;
    padding-left: 20px;
    margin-bottom: 15px;
}

.about-section li {
    margin-bottom: 6px;
}

 .copybtns{
    height: 40px;
    margin-top: 10px;
 }

 #clearBtn:hover, #resetBtn:hover{
    background-color: #1f2937 !important;
 }
 #copyBtn{
    background-color: #ef4444 !important;
 }
 #clearBtn, #resetBtn{
    background-color: #00b4d8 !important;
 }