/* ============================================================
   عارض التقارير (PDF.js) — يدعم الفاتح/الداكن و RTL
   ============================================================ */

.pdfv-shell {
    --pdfv-bg:        #525659;   /* خلفية منطقة العرض (رمادي داكن مريح للقراءة) */
    --pdfv-toolbar:   #ffffff;
    --pdfv-border:    #e0e0e0;
    --pdfv-text:      #2c3e50;
    --pdfv-muted:     #6c757d;
    --pdfv-main:      #0080C0;
    --pdfv-page-sh:   0 2px 10px rgba(0,0,0,.35);

    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    min-height: 480px;
    background: var(--pdfv-toolbar);
    border: 1px solid var(--pdfv-border);
    border-radius: 14px;
    overflow: hidden;
}

html.dark-mode .pdfv-shell,
[data-bs-theme="dark"] .pdfv-shell {
    --pdfv-bg:      #1b1b1b;
    --pdfv-toolbar: #242526;
    --pdfv-border:  #3a3b3c;
    --pdfv-text:    #e4e6eb;
    --pdfv-muted:   #9aa1a8;
}

/* وضع ملء الشاشة */
.pdfv-shell:fullscreen,
.pdfv-shell.pdfv-fs {
    height: 100vh;
    min-height: 100vh;
    border-radius: 0;
    border: 0;
}

/* ---------------- شريط الأدوات ---------------- */
.pdfv-toolbar {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    padding: .55rem .75rem;
    background: var(--pdfv-toolbar);
    border-bottom: 1px solid var(--pdfv-border);
    color: var(--pdfv-text);
    font-family: 'Tajawal', sans-serif;
    z-index: 5;
}
.pdfv-tb-group { display: flex; align-items: center; gap: .4rem; }
.pdfv-tb-start { flex: 1 1 auto; min-width: 0; }
.pdfv-tb-center { flex: 0 0 auto; }
.pdfv-tb-end { flex: 1 1 auto; justify-content: flex-end; }

.pdfv-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: var(--pdfv-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.pdfv-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    border: 1px solid var(--pdfv-border);
    background: transparent;
    color: var(--pdfv-text);
    border-radius: 9px;
    padding: .42rem .7rem;
    font-size: .9rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, color .15s, border-color .15s;
}
.pdfv-btn:hover { background: var(--pdfv-main); border-color: var(--pdfv-main); color: #fff; }
.pdfv-icon { padding: .42rem; width: 36px; height: 34px; justify-content: center; }
.pdfv-btn-primary { background: var(--pdfv-main); border-color: var(--pdfv-main); color: #fff; }
.pdfv-btn-primary:hover { filter: brightness(1.08); color: #fff; }
.pdfv-btn-danger { background: #dc3545; border-color: #dc3545; color: #fff; }
.pdfv-btn-danger:hover { filter: brightness(1.08); background: #dc3545; border-color: #dc3545; color: #fff; }

.pdfv-divider { width: 1px; height: 22px; background: var(--pdfv-border); margin: 0 .25rem; }

.pdfv-pageinfo {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--pdfv-text);
    font-size: .9rem;
    font-weight: 600;
}
.pdfv-pageinfo input {
    width: 52px;
    text-align: center;
    border: 1px solid var(--pdfv-border);
    background: var(--pdfv-bg, #fff);
    color: var(--pdfv-text);
    border-radius: 7px;
    padding: .3rem .25rem;
    font-weight: 700;
    -moz-appearance: textfield;
}
.pdfv-pageinfo input::-webkit-outer-spin-button,
.pdfv-pageinfo input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pdfv-of { color: var(--pdfv-muted); }
.pdfv-zoom { font-size: .85rem; font-weight: 700; color: var(--pdfv-text); min-width: 44px; text-align: center; }

/* ---------------- منطقة العرض (محرّك المتصفّح) ---------------- */
.pdfv-stage {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    background: var(--pdfv-bg);
}
.pdfv-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}
/* محتوى احتياطي يظهر إذا تعذّر على المتصفّح عرض الـ PDF مباشرةً (شائع على الجوال) */
.pdfv-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    text-align: center;
    color: #fff;
    font-family: 'Tajawal', sans-serif;
}
.pdfv-fallback i.fa-file-pdf { font-size: 3rem; opacity: .85; }
.pdfv-fallback p { margin: 0; font-weight: 600; }

/* ---------------- التوست ---------------- */
.pdfv-toast {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(33,37,41,.95);
    color: #fff;
    padding: .55rem 1.1rem;
    border-radius: 30px;
    font-size: .85rem;
    font-family: 'Tajawal', sans-serif;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 9;
}
.pdfv-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* قلب السهم في الاتجاه RTL */
[dir="rtl"] .rtl-flip { transform: scaleX(-1); }

/* ---------------- موبايل ---------------- */
@media (max-width: 768px) {
    .pdfv-shell { height: calc(100vh - 120px); border-radius: 10px; }
    .pdfv-title { display: none; }
    .pdfv-btn-text { display: none; }
    .pdfv-btn { padding: .42rem; }
    .pdfv-toolbar { gap: .3rem; padding: .45rem .5rem; }
    .pdfv-divider { display: none; }
    .pdfv-tb-start, .pdfv-tb-end { flex: 0 0 auto; }
    .pdfv-tb-center { order: 3; flex: 1 1 100%; justify-content: center; }
}