:root { 
    --bg-main: #f3f4f6; 
    --bg-sidebar: #ffffff; 
    --bg-section: #ffffff; 
    --border-color: #e5e7eb; 
    --text-main: #1f2937; 
    --text-muted: #6b7280; 
    --primary: #2563eb; 
    --secondary: #64748b;
    --primary-hover: #3b82f6; 
    --danger: #dc2626; 
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); 
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg-main); color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 14px; }
.app { display: flex; min-height: 100vh; }
aside.sidebar { width: 320px; flex-shrink: 0; background: var(--bg-sidebar); border-right: 1px solid var(--border-color); padding: 14px; position: sticky; top: 0; max-height: 100vh; overflow-y: auto; transition: width 0.3s, padding 0.3s, transform 0.3s; }
main { flex: 1; padding: 16px; overflow-y: auto; min-width: 0; }
.field { display: flex; flex-direction: column; margin-bottom: 12px; }
label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.row { display: flex; gap: 8px; align-items: center; }
input, select, textarea { width: 100%; padding: 9px 12px; border: 1px solid var(--border-color); border-radius: 6px; background: #f9fafb; font-size: 14px; }
button { padding: 9px 14px; border-radius: 6px; border: 1px solid #d1d5db; background: #ffffff; cursor: pointer; font-weight: 500; white-space: nowrap; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.secondary { background-color: var(--secondary); border-color: var(--secondary); color:#fff;}

main > .header-controls { display: flex; align-items: center; gap: 15px; padding-bottom: 16px; border-bottom: 1px solid var(--border-color); margin-bottom: 16px; flex-wrap: nowrap; }
.header-title { flex-grow: 1; text-align: center; margin: 0; font-size: 28px;}
.header-actions { display: flex; align-items: center; gap: 15px; margin-left: auto; flex-shrink: 0; }
#main-action-buttons { display: flex; gap: 10px; align-items: center; }
#btn-main-copy, #btn-main-save { padding: 8px 16px; font-size: 14px; font-weight: 500; border-radius: 6px; cursor: pointer; border: 1px solid transparent; }
#btn-main-copy { background-color: var(--secondary); color: white; }
#btn-main-save { background-color: #16a34a; color: white; }
#btn-main-save.dirty { background-color: #f59e0b; animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); } 70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); } 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); } }

.kroki-summary-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kroki-summary-card { border-radius: 8px; box-shadow: var(--shadow); padding: 10px 14px; cursor: pointer; }
.kroki-summary-card-name { font-size: 15px; font-weight: 700; }
.kroki-summary-card-details, .kroki-summary-card-dates, .kroki-summary-card-updated { font-size: 12px; margin-top: 3px; opacity: 0.9; }
.kroki-summary-card-updated { font-size: 10px; opacity: 0.7; text-align: right; margin-top: 5px;}
details > summary { cursor: pointer; }
#toast-container { position: fixed; bottom: 16px; right: 16px; z-index: 9999; }
.color-palette { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; margin: 8px 0; }
.color-palette div { height: 25px; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: transform 0.1s; }
.color-palette div:hover { transform: scale(1.1); }
.pattern { background-size: 10px 10px; }
.pattern-stripes { background-image: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(0,0,0,0.15) 3px, rgba(0,0,0,0.15) 6px); }
.pattern-dots { background-image: radial-gradient(rgba(0,0,0,0.2) 20%, transparent 21%); }
.pattern-checkers { background-image: linear-gradient(45deg, rgba(0,0,0,0.2) 25%, transparent 25%), linear-gradient(-45deg, rgba(0,0,0,0.2) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.2) 75%), linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.2) 75%); background-size: 8px 8px; }
#roomTooltip { position:absolute; display:none; z-index: 99999; background:#111827; color:#fff; padding:8px 10px; border-radius:8px; font-size:12px; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.kroki-summary-card-note { font-size: 11px; margin-top: 6px; padding-top: 6px; border-top: 1px solid rgba(255, 255, 255, 0.3); opacity: 0.95; white-space: pre-wrap; }
.kroki-summary-card-distribution { font-size: 11px; font-weight: 500; margin-top: 5px; opacity: 0.9; }
.kroki-hotel-title { font-size: 28px; font-weight: 700; text-align: center; padding: 10px; background-color: #374151; color: #ffffff; border-radius: 8px; margin-bottom: 16px; }

.sidebar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.sidebar-header h3 { margin: 0; }
#sidebarToggleBtn { width: 32px; height: 32px; padding: 0; font-size: 20px; line-height: 32px; text-align: center; border-radius: 50%; border: 1px solid var(--border-color); background-color: var(--bg-main); cursor: pointer; transition: transform 0.3s; }
#sidebarToggleBtn:hover { background-color: var(--border-color); }

.excel { margin-top: 24px; border: 2px solid #000; overflow-x: auto; }
.excel .tbl { display: grid; grid-template-columns: 80px repeat(var(--cols, 10), minmax(60px, 1fr)) 60px; }
.excel .hdr, .excel .cell, .excel .rowhdr, .excel .sumhdr, .excel .colnote { border: 1px solid #000; display:flex; flex-direction: column; align-items:center; justify-content: center; line-height: 1.2; text-align: center; }
.excel .hdr, .excel .cell, .excel .rowhdr, .excel .sumhdr { min-height: 44px; padding: 2px; font-size: 11px; }
.excel .hdr, .excel .rowhdr, .excel .sumhdr { font-weight: 700; background: #fff; }
.excel .colnote { min-height: 30px; font-size: 10px; font-style: italic; color: #333; background-color: #f0f0f0;}
.excel .cell { background: #fff; cursor:pointer; position:relative; user-select:none; transition: all 0.5s ease; }
.excel .cell .top { font-weight:700; font-size:14px; }
.excel .cell .sup { font-size:9px; opacity:.9; font-weight: 500; margin-left: 2px; }
.excel .cell .sub { opacity:.9; font-size:12px; margin-top: 2px; }
.excel .cell.selected { outline: 2px solid var(--primary); outline-offset: -2px; }
.excel .cell.selected.filled { box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.7); outline-color: #fff; }
.excel .cell.filled { background: #0f7b0f; color:#fff; }
.excel .cell.empty { background: #f8fafc; color:#94a3b8; }
.excel .cell.disabled { background: #e2e8f0; color: #94a3b8; cursor: not-allowed; background-image: repeating-linear-gradient(45deg, transparent, transparent 4px, rgba(0,0,0,0.08) 4px, rgba(0,0,0,0.08) 8px); }
.excel .floor-spacer { grid-column: 1 / -1; height: 10px; background: transparent; border: none; }

.kroki-summary-card-header { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.guest-list-icon { font-size: 1.2em; cursor: pointer; opacity: 0.8; transition: opacity 0.2s; }
.guest-list-icon:hover { opacity: 1; }

.date-filter-container { display: flex; align-items: flex-end; gap: 10px; padding: 10px; background-color: #fff; border-radius: 8px; border: 1px solid #e2e8f0; }
.date-filter-container .field { margin-bottom: 0; }
.date-filter-container label { font-size: 13px; margin-bottom: 4px; color: #475569; }
.date-filter-container input[type="date"] { padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 14px; }
.date-filter-container button { padding: 9px 16px; font-size: 14px; }
.cell.selected { box-shadow: inset 0 0 0 3px #007bff; background-color: rgba(0, 123, 255, 0.1); }
.kroki-summary-card-details, .kroki-summary-card-dates { font-weight: 600; font-size: 0.9em; }
.kroki-summary-card-icons { display: flex; gap: 10px; font-size: 1.2em; }
.kroki-summary-card-icons .guest-list-icon { cursor: pointer; opacity: 0.8; transition: opacity 0.2s; }
.kroki-summary-card-icons .guest-list-icon:hover { opacity: 1; }
.rich-text-paste { min-height: 120px; max-height: 300px; overflow-y: auto; padding: 12px; border: 1px solid var(--border-color); border-radius: 6px; background: #f9fafb; font-size: 13px; line-height: 1.4; }
.rich-text-paste:empty:before { content: attr(placeholder); color: #9ca3af; font-style: italic; }
.rich-text-paste:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1); }
.rich-text-paste table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: 12px; }
.rich-text-paste table td, .rich-text-paste table th { border: 1px solid #d1d5db; padding: 6px 8px; text-align: left; }
.rich-text-paste table th { background-color: #f3f4f6; font-weight: 600; }
aside.sidebar details { border-radius: 8px; margin-bottom: 8px; border: 1px solid var(--border-color); background-color: #fff; overflow: hidden; }
aside.sidebar details > summary { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; cursor: pointer; font-weight: 600; font-size: 15px; color: var(--text-main); list-style: none; transition: background-color 0.2s; }
aside.sidebar details > summary:hover { background-color: #f9fafb; }
aside.sidebar details > summary::-webkit-details-marker { display: none; }
aside.sidebar details > summary::after { font-family: "Font Awesome 6 Free"; font-weight: 900; content: "\f078"; font-size: 13px; color: var(--text-muted); transition: transform 0.2s ease-in-out; }
aside.sidebar details[open] > summary { background-color: #f9fafb; border-bottom: 1px solid var(--border-color); }
aside.sidebar details[open] > summary::after { transform: rotate(180deg); }
.loader { border: 5px solid #f3f3f3; border-radius: 50%; border-top: 5px solid #3498db; width: 50px; height: 50px; animation: spin 1s linear infinite; margin: 40px auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
#empty-room-finder-container { background-color: var(--bg-section); border: 1px solid var(--border-color); border-radius: 8px; padding: 16px; margin-bottom: 20px; box-shadow: var(--shadow); }
#empty-room-finder-container h3 { margin-top: 0; margin-bottom: 16px; font-size: 18px; }
.finder-controls { display: flex; align-items: flex-end; gap: 15px; margin-bottom: 16px; flex-wrap: wrap; }
.finder-controls .field { margin-bottom: 0; flex: 1 1 150px; }
.finder-controls button { flex-basis: 100%; }
#emptyRoomResults h4 { margin-top: 0; margin-bottom: 8px; }
#emptyRoomResults textarea { width: 100%; min-height: 80px; font-family: monospace; font-size: 14px; background-color: #f9fafb; resize: vertical; }

.menu-toggle-btn { display: none; z-index: 10001; }


/* ============================================== */
/* DÜZELTME: Menü Gizleme/Gösterme (Sidebar)      */
/* ============================================== */

aside.sidebar.collapsed {
    width: 60px; /* Tamamen sıfırlamak yerine küçük bir genişlik bırak */
    padding: 14px 0;
    overflow: hidden; /* İçeriğin taşmasını engelle */
}
/* Menü daraltıldığında içeriği gizle */
aside.sidebar.collapsed .sidebar-content {
    display: none;
}
/* Menü daraltıldığında başlığı (h3) gizle */
aside.sidebar.collapsed .sidebar-header h3 {
    display: none;
}
/* Menü daraltıldığında başlık alanını ortala/sağa yasla */
aside.sidebar.collapsed .sidebar-header {
    justify-content: center;
}
/* Menü daraltıldığında butonu 180 derece döndürerek '»' yap */
aside.sidebar.collapsed #sidebarToggleBtn {
    transform: rotate(180deg);
}


@media (max-width: 1200px) {
    .header-actions { flex-wrap: wrap; justify-content: flex-end; }
    .date-filter-container { order: 2; width: 100%; justify-content: center; }
}

@media (max-width: 768px) {
    .app { flex-direction: column; }
    
    aside.sidebar { 
        position: fixed; 
        left: 0; 
        top: 0; 
        height: 100%; 
        z-index: 10000; 
        transform: translateX(-100%); 
        transition: transform 0.3s ease-in-out; 
        box-shadow: 0 0 20px rgba(0,0,0,0.2);
        width: 280px;
    }
    /* .collapsed sınıfı mobil görünümde menünün kapalı olduğunu belirtir. */
    /* :not(.collapsed) ise menünün açık olduğunu belirtir ve ekrana getirir. */
    aside.sidebar:not(.collapsed) { 
        transform: translateX(0); 
    }
    main { 
        padding-top: 70px; 
    }
    .menu-toggle-btn { 
        display: block; 
    }
    .header-controls { 
        position: fixed; 
        top: 0; 
        left: 0; 
        right: 0; 
        background: var(--bg-main); 
        z-index: 999; 
        padding: 10px 16px; 
        border-bottom: 1px solid var(--border-color); 
        flex-wrap: wrap;
    }
    .header-title {
        font-size: 20px;
        order: -1;
        width: calc(100% - 40px);
        text-align: left;
    }
    .header-actions {
        width: 100%;
        gap: 10px;
    }
    .date-filter-container {
        width: auto;
        padding: 5px;
    }
    .date-filter-container .field {
        flex-grow: 1;
    }

    #empty-room-finder-container {
        padding: 12px;
    }

    .excel .tbl {
        grid-template-columns: 50px repeat(var(--cols, 10), 65px) 50px;
        min-width: calc( (var(--cols, 10) * 65px) + 100px);
    }
    .excel .hdr, .excel .rowhdr {
        font-size: 10px;
    }
    .excel .cell .top {
        font-size: 12px;
    }
    /* Mobilde, daraltma butonu («) yerine hamburger menü (☰) kullanıldığı için bu butonu gizle */
    #sidebarToggleBtn {
        display: none;
    }
}
.finder-controls {
    flex-wrap: nowrap;
    align-items: flex-end;
}
.finder-controls .field {
    flex: 0 1 180px;
}
.finder-controls button {
    flex-basis: auto;
}
.main-header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: auto;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.admin-body .main-header.sticky {
    left: 280px;
}

.admin-body.sticky-padding .main-content {
    padding-top: 80px;
}
.inconsistency-warning {
    background-color: #fffbe6;
    border: 1px solid #fde047;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    color: #713f12;
}
.inconsistency-warning .warning-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.inconsistency-warning h4 {
    margin: 0;
    color: #ca8a04;
    font-size: 1.1em;
}
.inconsistency-warning h4 .fa-triangle-exclamation {
    margin-right: 8px;
}
.inconsistency-warning p {
    margin: 0 0 10px 0;
    font-size: 0.9em;
}
.inconsistency-warning ul {
    margin: 0;
    padding-left: 20px;
}
.inconsistency-warning li {
    font-size: 0.9em;
    margin-bottom: 4px;
}
.inconsistency-warning .close-warning {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #a16207;
    padding: 0 8px;
}
.cell.highlighted-empty {
    background-color: #333 !important; 
    color: white !important;           
    outline: 2px solid #FFFFFF !important;
    outline-offset: -2px;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.7);
}

.cell.dimmed {
    opacity: 0.25;
    filter: grayscale(100%);
    transform: scale(0.98);
}

/* ==================================================================== */
/* DÜZELTME: Dinamik Görünümde (Tarih Bazlı) Düzenleme Menüsünü Gizleme */
/* ==================================================================== */
body.dynamic-view-active aside.sidebar {
    width: 0;
    padding: 0;
    border: none;
    transform: translateX(-100%);
    overflow: hidden;
}
body.dynamic-view-active .menu-toggle-btn {
    display: none;
}
.main-header-hotel-select-container {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0; /* Küçülmesini engelle */
}

.main-header-hotel-select-container label {
    display: none; /* Mobilde ve küçük ekranlarda etiketi gizle */
    font-weight: 500;
    color: var(--text-muted);
}

#mainHeaderHotelSelect {
    padding: 8px 12px;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: #fff;
    max-width: 200px;
}

/* Başlığın ortalanmasını koru */
.header-title {
    flex-grow: 1; 
}

/* Orta ve büyük ekranlarda etiketi göster */
@media (min-width: 769px) {
    .main-header-hotel-select-container label {
        display: inline-block;
    }
    #mainHeaderHotelSelect {
        max-width: 250px;
    }
}

/* Küçük mobil ekranlarda başlık ve seçim kutusunu düzenle */
@media (max-width: 480px) {
    .main-header-hotel-select-container {
        /* Gerekirse ek mobil ayarları buraya eklenebilir */
    }
    #mainHeaderHotelSelect {
        font-size: 14px;
        padding: 6px 10px;
    }
}

/* ==================================================================== */
/* YENİ: Gizli Krokiler için Açılır/Kapanır Bölüm Stilleri              */
/* ==================================================================== */
.hidden-krokis-section {
  margin-top: 40px;
  border: 1px solid var(--border-color, #ddd);
  border-radius: 8px;
  background: #f8fafc;
}

.hidden-krokis-section summary {
  padding: 16px;
  font-weight: 600;
  font-size: 1.1em;
  cursor: pointer;
  outline: none;
  list-style: none; /* Firefox'taki oku kaldırır */
}

.hidden-krokis-section summary::-webkit-details-marker {
  display: none; /* Chrome/Safari'deki oku kaldırır */
}

.hidden-krokis-section[open] > summary {
  border-bottom: 1px solid var(--border-color, #ddd);
}

.hidden-krokis-container {
  padding: 8px;
}

.hidden-krokis-container > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 8px;
    border-bottom: 1px solid #e5e7eb;
}
.hidden-krokis-container > div:last-child {
    border-bottom: none;
}
.hidden-krokis-container h4 {
    margin: 0;
    font-weight: 500;
}

/* =============================== */
/* PRINT – GRUP GRUP SAYFA KIRMA   */
/* =============================== */
@media print {

  /* Her grup yeni sayfadan başlasın */
  .group-section {
    page-break-before: always;
    break-before: page;
  }

  /* İlk grup boş sayfa açmasın */
  .group-section:first-of-type {
    page-break-before: auto;
    break-before: auto;
  }

  /* Grup başlığı + tablo bölünmesin */
  .group-section .sub-group-header {
    page-break-after: avoid;
    break-after: avoid;
  }

}
/* Tablo başlığı her sayfada tekrar etsin */
thead.report-header { 
  display: table-header-group !important; 
}

/* Üst bilgi satırı biraz daha belirgin */
.print-meta th{
  background: #ffffff !important;
  color: #000 !important;
  font-weight: 700 !important;
  font-size: 10pt !important;
  border-bottom: 1px solid #666 !important;
  padding: 6px 6px !important;
}
.print-meta .meta-label{
  color:#444 !important;
  font-weight:600 !important;
}