/* 
   style.css - Sınıf Demirbaş Çizelgesi (Öğretmen Dosyası)
   Header & Footer'sız, %100 iFrame, Tek Birleşik Araç, Canlı A4 Önizleme
*/

:root {
    --primary: #1e3a8a;
    --primary-hover: #1e293b;
    --bg-body: #f8fafc;
    --border-color: #cbd5e1;
    --text-dark: #0f172a;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-body);
    color: var(--text-dark);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    padding: 10px;
}

@media (min-width: 768px) {
    body {
        padding: 16px;
    }
}

.app-container {
    max-width: 1140px;
    margin: 0 auto;
}

.card {
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    background-color: #ffffff;
}

.toolbar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
}

/* Sütun Aç/Kapat Butonları */
.btn-toggle-pill {
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 4px 12px;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1px solid #cbd5e1;
}

.btn-toggle-pill.active {
    background-color: #1e3a8a;
    color: #ffffff;
    border-color: #1e3a8a;
}

.btn-toggle-pill.inactive {
    background-color: #f1f5f9;
    color: #64748b;
    border-color: #e2e8f0;
    text-decoration: line-through;
}

/* Tablo ve İnputlar */
.table th {
    background-color: #f1f5f9;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 8px 6px;
    text-transform: uppercase;
    color: #475569;
}

.table td {
    padding: 5px 6px;
    vertical-align: middle;
    font-size: 0.875rem;
}

.btn-qty {
    min-width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    padding: 0;
}

.item-qty-input {
    width: 45px !important;
    text-align: center;
    font-weight: bold;
    padding: 2px 4px !important;
}

.fs-7 { font-size: 0.85rem !important; }
.fs-8 { font-size: 0.75rem !important; }

/* Mobil Alt Çubuk */
.mobile-bottom-bar {
    z-index: 1040;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid #cbd5e1;
}

/* ==========================================================================
   CANLI A4 ÖNİZLEME ALANI (BİREBİR A4 KAĞIDI)
   ========================================================================== */
.preview-section-container {
    background-color: #cbd5e1;
    border-radius: 12px;
    padding: 20px 10px;
    margin-top: 24px;
    margin-bottom: 30px;
    border: 1px solid #94a3b8;
    overflow-x: auto;
}

@media (min-width: 768px) {
    .preview-section-container {
        padding: 28px 20px;
    }
}

.a4-sheet-preview {
    background: #ffffff;
    width: 100%;
    max-width: 794px;
    min-width: 650px;
    margin: 0 auto;
    padding: 28px 24px;
    border-radius: 4px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.18);
    color: #000000;
    font-family: "Calibri", "Arial", sans-serif;
    font-size: 9.5pt;
    box-sizing: border-box;
    position: relative;
}

/* Kağıt Üzerinde Doğrudan Tıklanabilir Alanlar */
.a4-sheet-preview [contenteditable="true"] {
    cursor: text;
    transition: background-color 0.15s ease, outline 0.15s ease;
    border-radius: 3px;
    min-height: 1.2em;
}

.a4-sheet-preview [contenteditable="true"]:hover {
    outline: 1.5px dashed #2563eb !important;
    background-color: #eff6ff !important;
}

.a4-sheet-preview [contenteditable="true"]:focus {
    outline: 2px solid #1e40af !important;
    background-color: #dbeafe !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.a4-sheet-preview .preview-header {
    text-align: center;
    margin-bottom: 12px;
}

.a4-sheet-preview table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    border: 1.5px solid #000000;
}

.a4-sheet-preview th,
.a4-sheet-preview td {
    border: 1px solid #000000;
    color: #000000;
    box-sizing: border-box;
}

.a4-sheet-preview th {
    background-color: #f1f5f9;
    font-weight: bold;
    text-align: center;
    padding: 5px 4px;
    font-size: 9.5pt;
    border: 1px solid #000000;
}

.a4-sheet-preview td {
    padding: 4.5px 5px;
    font-size: 9pt;
    line-height: 1.25;
    border: 1px solid #000000;
}

.a4-sheet-preview .preview-meta-table {
    margin-top: 6px;
    margin-bottom: 12px;
}

.a4-sheet-preview .preview-meta-table td {
    padding: 4.5px 6px;
    font-size: 9.5pt;
    line-height: 1.25;
}

.a4-sheet-preview .preview-items-table {
    margin-bottom: 10px;
}

.a4-sheet-preview .preview-declaration {
    font-size: 9.5pt;
    font-style: italic;
    margin-top: 10px;
    margin-bottom: 14px;
    line-height: 1.35;
}

.a4-sheet-preview .preview-signatures-table {
    margin-top: 26px;
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    border: 1.5px solid #000000;
}

.a4-sheet-preview .preview-signatures-table td {
    border: 1px solid #000000;
    padding: 4px 6px;
    font-size: 9pt;
    vertical-align: top;
}

.a4-sheet-preview .preview-sig-space {
    height: 75px;
    vertical-align: top;
    text-align: center;
    padding-top: 6px;
    border: 1px solid #000000;
}

/* ==========================================================================
   RESMİ A4 YAZDIRMA MOTORU (@media print)
   ========================================================================== */
@media print {
    @page {
        size: A4 portrait;
        margin: 10mm 12mm 10mm 12mm;
    }

    html, body {
        background: #ffffff !important;
        color: #000000 !important;
        font-family: "Calibri", "Arial", sans-serif !important;
        font-size: 9.5pt !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        height: 100% !important;
    }

    .no-print,
    .screen-view-section,
    .preview-section-container,
    .mobile-bottom-bar,
    .modal {
        display: none !important;
    }

    .print-view {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        box-sizing: border-box !important;
    }

    .print-view [contenteditable] {
        outline: none !important;
        background: transparent !important;
    }

    .print-view table {
        width: 100% !important;
        border-collapse: collapse !important;
        table-layout: fixed !important;
        border: 1.5px solid #000000 !important;
    }

    .print-view th,
    .print-view td {
        border: 1px solid #000000 !important;
        color: #000000 !important;
        box-sizing: border-box !important;
    }

    .print-view th {
        background-color: #f1f5f9 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        font-weight: bold !important;
        text-align: center !important;
        padding: 5px 4px !important;
        font-size: 9.5pt !important;
    }

    .print-view td {
        padding: 4.5px 5px !important;
        font-size: 9pt !important;
        line-height: 1.25 !important;
    }

    .print-meta-table {
        margin-top: 6px !important;
        margin-bottom: 12px !important;
    }

    .print-meta-table td {
        padding: 4.5px 6px !important;
        font-size: 9.5pt !important;
        line-height: 1.25 !important;
    }

    .print-items-table {
        margin-bottom: 10px !important;
    }

    .print-declaration {
        font-size: 9.5pt !important;
        font-style: italic !important;
        margin-top: 8px !important;
        margin-bottom: 12px !important;
        line-height: 1.35 !important;
    }

    .print-signatures-table {
        margin-top: 26px !important;
        width: 100% !important;
        border-collapse: collapse !important;
        table-layout: fixed !important;
        border: 1.5px solid #000000 !important;
    }

    .print-signatures-table td {
        border: 1px solid #000000 !important;
        padding: 4px 6px !important;
        font-size: 9pt !important;
        vertical-align: top !important;
    }

    .print-sig-space {
        height: 75px !important;
        vertical-align: top !important;
        text-align: center !important;
        padding-top: 6px !important;
        border: 1px solid #000000 !important;
    }
}