/* ============================================
   StatusHub Calculators - Shared Base Styles
   Mobile-first, professional design system
   ============================================ */

.sh-calc-wrapper {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    color: #1a1a2e;
    line-height: 1.6;
}
.sh-calc-wrapper *, .sh-calc-wrapper *::before, .sh-calc-wrapper *::after { box-sizing: border-box; }

/* Form */
.sh-calc-form {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 20px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.sh-form-group { margin-bottom: 20px; }
.sh-form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: #334155;
    margin-bottom: 6px;
}
.sh-form-group input[type="number"],
.sh-form-group input[type="text"],
.sh-form-group input[type="date"],
.sh-form-group select {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    color: #1a1a2e;
    transition: border-color .2s;
    -webkit-appearance: none;
    appearance: none;
}
.sh-form-group input:focus, .sh-form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}
.sh-form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M6 8.825L.575 3.4 1.4 2.575 6 7.175l4.6-4.6.825.825z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
.sh-hint { display: block; font-size: 12px; color: #94a3b8; margin-top: 4px; }
.sh-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Button */
.sh-calc-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg,#3b82f6,#2563eb);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s;
}
.sh-calc-btn:hover {
    background: linear-gradient(135deg,#2563eb,#1d4ed8);
    box-shadow: 0 4px 12px rgba(37,99,235,.3);
    transform: translateY(-1px);
}
.sh-calc-btn:active { transform: translateY(0); }

/* Result Cards */
.sh-result-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.sh-result-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
}
.sh-highlight-card { border-color: #3b82f6; border-width: 2px; }

/* Big Number Result */
.sh-big-result { text-align: center; padding: 20px 0; }
.sh-big-number { display: block; font-size: 48px; font-weight: 800; color: #2563eb; line-height: 1.1; }
.sh-big-label {
    display: block; font-size: 14px; font-weight: 600; color: #64748b;
    text-transform: uppercase; letter-spacing: 1px; margin-top: 4px;
}
.sh-result-details { text-align: center; }
.sh-result-details p { font-size: 14px; color: #475569; margin: 6px 0; }

/* Info Grid (2-col mobile, 4-col desktop) */
.sh-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sh-info-item { background: #f8fafc; border-radius: 8px; padding: 14px; text-align: center; }
.sh-info-value { display: block; font-size: 22px; font-weight: 700; color: #1e293b; }
.sh-info-label {
    display: block; font-size: 11px; font-weight: 600; color: #94a3b8;
    text-transform: uppercase; letter-spacing: .5px; margin-top: 2px;
}

/* Tables */
.sh-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -20px; padding: 0 20px; }
.sh-data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sh-data-table thead { background: #f1f5f9; }
.sh-data-table th {
    padding: 10px 12px; text-align: left; font-weight: 700; font-size: 12px;
    color: #475569; text-transform: uppercase; letter-spacing: .5px; border-bottom: 2px solid #e2e8f0;
}
.sh-data-table td { padding: 10px 12px; border-bottom: 1px solid #f1f5f9; color: #334155; }
.sh-data-table tbody tr:hover { background: #f8fafc; }
.sh-data-table td.sh-highlight { font-weight: 700; color: #2563eb; }

/* Tabs */
.sh-tabs { display: flex; gap: 0; margin-bottom: 20px; background: #f1f5f9; border-radius: 10px; padding: 4px; overflow-x: auto; }
.sh-tab {
    flex: 1; padding: 10px 12px; font-size: 13px; font-weight: 600; color: #64748b;
    background: transparent; border: none; border-radius: 8px; cursor: pointer;
    transition: all .2s; white-space: nowrap;
}
.sh-tab:hover { color: #334155; }
.sh-tab-active { background: #fff; color: #2563eb; box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.sh-tab-content { display: none; }
.sh-tab-content-active { display: block; }

/* Desktop */
@media (min-width:768px) {
    .sh-calc-form { padding: 32px; }
    .sh-result-card { padding: 28px 32px; }
    .sh-big-number { font-size: 56px; }
    .sh-info-grid { grid-template-columns: repeat(4,1fr); }
    .sh-table-wrapper { margin: 0; padding: 0; }
    .sh-tab { font-size: 14px; padding: 12px 16px; }
}

/* Small screens */
@media (max-width:400px) {
    .sh-calc-form { padding: 16px; }
    .sh-result-card { padding: 16px; }
    .sh-big-number { font-size: 36px; }
    .sh-form-row { grid-template-columns: 1fr; }
    .sh-tab { font-size: 11px; padding: 8px 6px; }
}

@media print {
    .sh-calc-form, .sh-tabs { display: none; }
    .sh-result-card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
}