/* ============================================================
   2026 MEMUR MAAŞ HESAPLAMA 
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

/* ── Reset & Base ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --accent: #d32f2f;
    /* Kurumsal Kırmızı */
    --accent-glow: rgba(211, 47, 47, 0.15);
    --accent-dark: #b71c1c;
    --accent-light: rgba(211, 47, 47, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --danger: #dc2626;
    --warning: #f59e0b;
    --blue: #2563eb;
    --radius: 8px;
    --radius-sm: 6px;
    --radius-xs: 4px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --transition: all 0.2s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ── Header ── */
.header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 20px;
}

.header-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.header h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 8px;
}

.header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
}

.header .period-info {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.period-info svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent);
}

/* ── Card Styles ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow);
    border-color: #cbd5e1;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-title .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent-light);
    color: var(--accent);
    font-size: 1.2rem;
}

/* ── Form Elements ── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.form-grid.form-grid-2 {
    grid-template-columns: 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group select,
.form-group input[type="number"],
.form-group input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    outline: none;
    box-shadow: var(--shadow-sm);
    appearance: none;
    -webkit-appearance: none;
}

.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 d='M6 8L1 3h10z' fill='%2364748b'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.form-group select:focus,
.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Inline Groups ── */
.inline-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* ── Checkbox / Toggle ── */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.toggle-group input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 40px;
    height: 22px;
    background: #cbd5e1;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-group input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ffffff;
    top: 2px;
    left: 2px;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.toggle-group input[type="checkbox"]:checked {
    background: var(--accent);
}

.toggle-group input[type="checkbox"]:checked::before {
    transform: translateX(18px);
}

.toggle-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
}

/* ── Conditional Fields ── */
.conditional-fields {
    display: none;
    gap: 16px;
    padding: 16px;
    margin-top: 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.conditional-fields.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    padding: 14px 32px;
    font-size: 0.95rem;
    box-shadow: 0 2px 4px rgba(211, 47, 47, 0.2);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 4px 8px rgba(211, 47, 47, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: #cbd5e1;
    color: var(--text-primary);
}

.btn-center {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 24px;
}

/* ── Result Section ── */
#sonucSection {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

#sonucSection.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* ── Net Maaş Hero ── */
.net-maas-hero {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    position: relative;
    border-top: 4px solid var(--accent);
}

.net-maas-hero .ay-bilgisi {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
}

.net-maas-hero .net-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.net-maas-hero .net-value {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.summary-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.summary-card {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.summary-card .s-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-card .s-value {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 4px;
}

.summary-card .s-value.brut {
    color: var(--text-primary);
}

.summary-card .s-value.kesinti {
    color: var(--danger);
}

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}

table th {
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    white-space: nowrap;
}

table td.val {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

table td.kesinti {
    color: var(--danger);
}

table td.net-col {
    color: var(--accent);
    font-weight: 700;
}

table tr:last-child td {
    border-bottom: none;
}

table tr.total-row td {
    background: var(--accent-light);
    border-top: 1px solid #fca5a5;
    font-weight: 600;
    color: var(--accent-dark);
}

table th:last-child,
table td:last-child {
    text-align: right;
}

/* Aylık tablo - tahmini aylar */
tr.tahmini {
    background-color: rgba(241, 245, 249, 0.5);
    color: var(--text-secondary);
}

tr.tahmini td:first-child::after {
    content: ' *';
    color: var(--warning);
    font-weight: bold;
}

/* ── Chart Container ── */
.chart-container {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.chart-container canvas {
    width: 100%;
    max-width: 420px;
    height: 380px;
}

/* ── Two Column Layout ── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: flex-start;
}

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    background: #1e293b;
    color: #fff;
    box-shadow: var(--shadow);
    z-index: 9999;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* ── Footer ── */
.footer {
    text-align: center;
    padding: 24px 20px;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
}

.footer a {
    color: var(--accent);
    text-decoration: none;
}

.disclaimer {
    margin-top: 12px;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.6;
    text-align: left;
    border-left: 4px solid var(--warning);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }

    .card {
        padding: 20px;
    }

    .form-grid,
    .form-grid.form-grid-2 {
        grid-template-columns: 1fr;
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .inline-group {
        grid-template-columns: 1fr;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

    .header {
        padding: 20px 12px 16px;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .net-maas-hero {
        padding: 30px 16px;
    }
}

@media (max-width: 480px) {
    .conditional-fields.grid {
        grid-template-columns: 1fr;
    }

    .btn-center {
        flex-direction: column;
        align-items: stretch;
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }
}


/* ── Print-only / No-print Utilities ── */
.print-only {
    display: none !important;
}

/* ── Print Styles ── */
@media print {

    /* Temel ayarlar */
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
        transition: none !important;
        animation: none !important;
    }

    html,
    body {
        width: 100%;
        margin: 0;
        padding: 0;
        font-size: 9.5pt;
        line-height: 1.4;
        overflow: visible;
    }

    @page {
        size: A4;
        margin: 10mm 10mm 10mm 10mm;
    }

    /* Gizlenecek bölümler (form, butonlar, grafik, toast, disclaimer) */
    .no-print,
    .header,
    section:first-of-type,
    .disclaimer,
    .btn-center,
    .toast,
    .chart-container,
    canvas,
    #hesaplaBtn {
        display: none !important;
    }

    /* Print-only elemanları göster */
    .print-only {
        display: block !important;
    }

    /* Container */
    .container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    /* Sonuç section: görünür yap, animasyonları kaldır */
    #sonucSection {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
        pointer-events: all !important;
    }

    /* ── Print Header (Parametre Özeti) ── */
    .print-params {
        margin-bottom: 10pt;
        page-break-inside: avoid;
    }

    .print-header {
        text-align: center;
        margin-bottom: 8pt;
        padding-bottom: 6pt;
        border-bottom: 1.5pt solid #000 !important;
    }

    .print-header h2 {
        font-size: 16pt;
        font-weight: 800;
        margin-bottom: 4pt;
        letter-spacing: 0.5pt;
    }

    .print-date {
        font-size: 9pt;
        color: #555 !important;
    }

    .params-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 8.5pt;
        margin-top: 6pt;
    }

    .params-table td {
        padding: 3pt 6pt;
        border: 0.5pt solid #ccc !important;
        white-space: normal;
    }

    .params-table td:nth-child(odd) {
        width: 18%;
        background: #f5f5f5 !important;
    }

    .params-table td:nth-child(even) {
        width: 32%;
    }

    /* ── Net Maaş Hero (Print) ── */
    .net-maas-hero {
        text-align: center;
        padding: 6pt 8pt;
        margin-bottom: 8pt;
        border: 1.5pt solid #000 !important;
        border-radius: 0 !important;
        border-top: 3pt solid #d32f2f !important;
        page-break-inside: avoid;
    }

    .net-maas-hero .net-value {
        font-size: 18pt;
        font-weight: 800;
        margin-bottom: 6pt;
    }

    .net-maas-hero .net-label {
        font-size: 8pt;
        text-transform: uppercase;
        letter-spacing: 1.5pt;
    }

    .net-maas-hero .ay-bilgisi {
        font-size: 9pt;
        margin-bottom: 4pt;
    }

    .summary-cards {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6pt;
        max-width: 100%;
    }

    .summary-card {
        padding: 5pt;
        border: 0.5pt solid #999 !important;
        border-radius: 0 !important;
        text-align: center;
    }

    .summary-card .s-label {
        font-size: 7pt;
        text-transform: uppercase;
        letter-spacing: 0.5pt;
    }

    .summary-card .s-value {
        font-size: 10pt;
        font-weight: 700;
    }

    .summary-card .s-value.kesinti {
        color: #c00 !important;
    }

    /* ── Tablo Düzeni (Print) ── */
    .two-col {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10pt;
    }

    .card {
        border: 0.5pt solid #ccc !important;
        border-radius: 0 !important;
        padding: 6pt 8pt;
        margin-bottom: 0;
    }

    .card:hover {
        box-shadow: none !important;
    }

    .card-title {
        font-size: 9pt;
        font-weight: 700;
        margin-bottom: 5pt;
        padding-bottom: 4pt;
        border-bottom: 1pt solid #999 !important;
    }

    .card-title .icon {
        width: 22pt;
        height: 22pt;
        font-size: 11pt;
        background: transparent !important;
    }

    table {
        width: 100%;
        font-size: 7.5pt;
        border-collapse: collapse;
    }

    table th {
        padding: 3pt 4pt;
        font-size: 6.5pt;
        text-transform: uppercase;
        letter-spacing: 0.3pt;
        border-bottom: 1pt solid #000 !important;
        background: #f0f0f0 !important;
    }

    table td {
        padding: 2.5pt 4pt;
        border-bottom: 0.5pt solid #ddd !important;
        white-space: normal;
    }

    table tr.total-row td {
        background: #f5f5f5 !important;
        border-top: 1pt solid #999 !important;
        font-weight: 700;
    }

    /* ── Print Footer ── */
    .print-warning-info {
        margin-bottom: 10pt;
        font-size: 8pt;
        color: #000 !important;
        line-height: 1.3;
        page-break-inside: avoid;
        text-align: left;
    }

    .print-footer-info {
        margin-top: 10pt;
        padding-top: 8pt;
        border-top: 1pt solid #999 !important;
        font-size: 7.5pt;
        color: #555 !important;
        line-height: 1.4;
        page-break-inside: avoid;
    }

    .print-footer-info p {
        margin-bottom: 4pt;
    }

    .print-copyright {
        text-align: center;
        font-weight: 600;
        margin-top: 8pt !important;
        font-size: 8pt;
    }

    /* Sayfa kırılma kontrolleri */
    .net-maas-hero,
    .print-params {
        page-break-after: avoid;
    }

    /* Tablo uzunsa sayfa kırılmasına izin ver */
    .card {
        page-break-inside: auto;
    }

    /* Tablo başlığı her sayfada tekrarlansın */
    table thead {
        display: table-header-group;
    }

    /* Satır ortasında kırılma olmasın */
    table tr {
        page-break-inside: avoid;
    }

    /* Link URL'lerini gösterme */
    a[href]::after {
        content: none !important;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}