/* ==========================================================================
   SYL FORM YÖNETİMİ VE TAKİBİ - Form Builder & Designer Stylesheet
   Modern, Örtüşmeyen (No-Overlap), Esnek ve Ölçeklenebilir Tasarım Alanı
   ========================================================================== */

.builder-layout {
    display: flex;
    flex-direction: row;
    height: calc(100vh - var(--header-height));
    width: 100%;
    max-width: 100%;
    background-color: var(--bg-main);
    overflow: hidden;
    position: relative;
    box-sizing: border-box;
}

/* 1. Sol Panel: Form Alanları Paleti */
.builder-palette {
    width: 240px;
    min-width: 240px;
    max-width: 240px;
    flex-shrink: 0;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 14px 12px;
    transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    z-index: 10;
    box-sizing: border-box;
}

.builder-palette.collapsed {
    margin-left: -240px;
    opacity: 0;
    pointer-events: none;
}

.palette-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.palette-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.palette-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.palette-item {
    background-color: var(--bg-card-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    cursor: grab;
    user-select: none;
    transition: all 0.2s ease;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-main);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.palette-item:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: var(--primary);
}

.palette-item:active {
    cursor: grabbing;
}

.palette-item-icon {
    font-size: 18px;
    color: var(--primary);
}

/* 2. Orta Panel: Canlı Çalışma Alanı (Canvas) */
.builder-canvas-wrapper {
    flex: 1;
    min-width: 0;
    background-color: var(--bg-main);
    background-image: radial-gradient(rgba(148, 163, 184, 0.15) 1px, transparent 0);
    background-size: 20px 20px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: auto;
    padding: 14px 20px 80px;
    align-items: center;
    position: relative;
    box-sizing: border-box;
}

.canvas-toolbar {
    width: 100%;
    max-width: 1000px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.layout-switcher, .zoom-switcher {
    display: flex;
    align-items: center;
    gap: 3px;
    background-color: var(--bg-card-subtle);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.layout-btn, .zoom-btn {
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s ease;
}

.layout-btn:hover, .zoom-btn:hover {
    color: var(--text-main);
}

.layout-btn.active, .zoom-btn.active {
    background-color: var(--bg-card);
    color: var(--primary);
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

/* Canvas Doküman Sayfası (A4 & Mobile) */
.form-sheet-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    transition: transform 0.2s ease;
    padding-bottom: 60px;
}

.form-sheet {
    background-color: #ffffff;
    color: #1e293b;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
    padding: 28px;
    min-height: 850px;
    transition: width 0.25s ease;
    position: relative;
    box-sizing: border-box;
}

/* A4 Portrait */
.form-sheet.a4_portrait {
    width: 794px;
    min-height: 1123px;
}

/* A4 Landscape */
.form-sheet.a4_landscape {
    width: 1080px;
    min-height: 760px;
}

/* Mobile View */
.form-sheet.mobile {
    width: 390px;
    min-height: 750px;
    padding: 18px;
    border-radius: 28px;
    border: 8px solid #334155;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Standart Doküman Başlık Kutusu */
.iso-header-box {
    border: 2px solid #0f172a;
    display: grid;
    grid-template-columns: 120px 1fr 170px;
    margin-bottom: 20px;
    font-family: inherit;
    text-align: center;
    background: #ffffff;
    border-radius: 2px;
}

.iso-header-logo {
    border-right: 2px solid #0f172a;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11px;
    background: #f8fafc;
}

.iso-header-title-box {
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 2px solid #0f172a;
}

.iso-doc-title {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: #0f172a;
}

.iso-header-meta {
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    font-size: 11px;
    text-align: left;
}

.iso-meta-row {
    display: flex;
    border-bottom: 1px solid #0f172a;
    padding: 2px 6px;
    align-items: center;
    font-size: 10px;
}

.iso-meta-row:last-child {
    border-bottom: none;
}

.iso-meta-key {
    font-weight: 700;
    width: 75px;
    color: #475569;
}

/* Form Alanları Dropzone */
.form-fields-container {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    min-height: 350px;
    padding: 12px;
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-md);
    background-color: rgba(248, 250, 252, 0.7);
    align-content: flex-start;
}

.form-fields-container.drag-over {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

/* Form Alanı Kartı */
.builder-field-item {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 12px;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.builder-field-item:hover {
    border-color: #94a3b8;
    box-shadow: var(--shadow-sm);
}

.builder-field-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
    background-color: rgba(99, 102, 241, 0.03);
}

.builder-field-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.builder-field-item:hover .builder-field-actions,
.builder-field-item.selected .builder-field-actions {
    opacity: 1;
}

.field-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #475569;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    cursor: pointer;
}

.field-btn:hover {
    background-color: #e2e8f0;
    color: #0f172a;
}

.field-btn.delete:hover {
    background-color: #ffe4e6;
    color: #e11d48;
    border-color: #fecdd3;
}

/* 3. Sağ Panel: Özellikler ve Form Ayarları */
.builder-properties {
    width: 300px;
    min-width: 300px;
    max-width: 300px;
    flex-shrink: 0;
    background-color: var(--bg-card);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 10;
    transition: margin-right 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    box-sizing: border-box;
}

.builder-properties.collapsed {
    margin-right: -300px;
    opacity: 0;
    pointer-events: none;
}

.properties-tab-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card-subtle);
}

.properties-tab-btn {
    flex: 1;
    padding: 12px 8px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.properties-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background-color: var(--bg-card);
}

.properties-content {
    padding: 16px 14px;
    flex: 1;
    overflow-y: auto;
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .form-sheet.a4_portrait {
        width: 700px;
    }
}