/* =================================================================
   Dx Components — External Stylesheet
   جميع الأصناف تبدأ بـ dx- لمنع التعارض
   ================================================================= */

/* ===== الجذر / المتغيرات ===== */
.dx-app {
    --dx-bg: #eef0f4;
    --dx-surface: #fff;
    --dx-surface-2: #f5f6f9;
    --dx-text: #16181d;
    --dx-muted: #6b7280;
    --dx-border: #e3e6ec;
    --dx-hover: rgba(0,0,0,.045);
    --dx-danger: #dc2626;
    --dx-shadow: 0 10px 34px rgba(15,23,42,.14);
    --dx-topbar-h: 36px;
    --dx-accent: #4f46e5;
    --dx-accent-soft: rgba(79,70,229,.12);
    --dx-editor-font: 16px;
    user-select: none;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--dx-bg);
    color: var(--dx-text);
    font-family: system-ui, -apple-system, "Segoe UI", "Noto Kufi Arabic", Tahoma, Arial, sans-serif;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background .25s ease, color .25s ease;
}

    .dx-app[data-theme="dark"] {
        --dx-bg: #0e1014;
        --dx-surface: #171a21;
        --dx-surface-2: #1e222b;
        --dx-text: #e9ecf1;
        --dx-muted: #98a1af;
        --dx-border: #2a2f3a;
        --dx-hover: rgba(255,255,255,.07);
        --dx-danger: #f87171;
        --dx-shadow: 0 14px 40px rgba(0,0,0,.6);
    }

@media (prefers-color-scheme: dark) {
    .dx-app[data-theme="system"] {
        --dx-bg: #0e1014;
        --dx-surface: #171a21;
        --dx-surface-2: #1e222b;
        --dx-text: #e9ecf1;
        --dx-muted: #98a1af;
        --dx-border: #2a2f3a;
        --dx-hover: rgba(255,255,255,.07);
        --dx-danger: #f87171;
        --dx-shadow: 0 14px 40px rgba(0,0,0,.6);
    }
}

.dx-app *,
.dx-app *::before,
.dx-app *::after {
    box-sizing: border-box;
}

.dx-app button {
    font: inherit;
    color: inherit;
}

.dx-app input,
.dx-app textarea,
.dx-app select {
    font: inherit;
    color: inherit;
}

.dx-app ::placeholder {
    color: var(--dx-muted);
    opacity: .75;
}

/* ===== الهيدر ===== */
.dx-topbar {
    position: relative;
    z-index: 100;
    flex: 0 0 var(--dx-topbar-h);
    height: var(--dx-topbar-h);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 8px;
    background: var(--dx-surface);
    border-bottom: 1px solid var(--dx-border);
}

.dx-brand {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 700;
    font-size: .95rem;
    flex-shrink: 0;
}

.dx-logo {
    font-size: 1rem;
}

.dx-spacer {
    flex: 1;
}

.dx-icon-btn {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: none;
    border-radius: 9px;
    background: transparent;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: background .15s, color .15s, transform .1s;
}

    .dx-icon-btn:hover {
        background: var(--dx-hover);
    }

    .dx-icon-btn:active {
        transform: scale(.94);
    }

    .dx-icon-btn.dx-danger {
        color: var(--dx-danger);
    }

/* ===== شريط القوائم داخل الهيدر ===== */
.dx-topbar-middle {
    display: flex;
    align-items: center;
    margin-inline-start: 8px;
    min-width: 0;
    flex: 0 1 auto;
}

.dx-menustrip {
    display: flex;
    align-items: center;
    gap: 1px;
    position: relative;
    z-index: 150;
    overflow: visible;
    min-width: 0;
}

.dx-menustrip-wrapper {
    position: relative;
}

.dx-menustrip-item {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    border: none;
    background: transparent;
    border-radius: 5px;
    font-size: .84rem;
    color: var(--dx-text);
    cursor: pointer;
    white-space: nowrap;
    transition: background .1s, color .1s;
}

    .dx-menustrip-item:hover {
        background: var(--dx-hover);
    }

    .dx-menustrip-item.dx-open {
        background: var(--dx-accent-soft);
        color: var(--dx-accent);
    }

.dx-menustrip-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 220px;
    background: var(--dx-surface);
    border: 1px solid var(--dx-border);
    border-radius: 6px;
    box-shadow: var(--dx-shadow);
    padding: 4px;
    z-index: 200;
    animation: dx-menu-pop .12s ease-out;
}

@keyframes dx-menu-pop {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.dx-menustrip-entry {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border: none;
    background: transparent;
    border-radius: 4px;
    font-size: .82rem;
    color: var(--dx-text);
    cursor: pointer;
    text-align: start;
    transition: background .1s, color .1s;
}

    .dx-menustrip-entry:hover:not(:disabled) {
        background: var(--dx-accent);
        color: #fff;
    }

    .dx-menustrip-entry:disabled {
        opacity: .45;
        cursor: default;
    }

.dx-menustrip-entry-icon {
    width: 16px;
    display: grid;
    place-items: center;
    font-size: .9rem;
    flex-shrink: 0;
}

.dx-menustrip-entry-text {
    flex: 1;
    white-space: nowrap;
}

.dx-menustrip-entry-shortcut {
    font-size: .72rem;
    color: var(--dx-muted);
    margin-inline-start: 20px;
    font-family: ui-monospace, Menlo, monospace;
    white-space: nowrap;
}

.dx-menustrip-entry:hover:not(:disabled) .dx-menustrip-entry-shortcut {
    color: rgba(255,255,255,.8);
}

.dx-menustrip-separator {
    height: 1px;
    background: var(--dx-border);
    margin: 4px 6px;
    border: none;
}

.dx-menustrip-backdrop {
    position: fixed;
    inset: 0;
    z-index: 5;
    background: transparent;
}

/* ===== الهيكل الرئيسي ===== */
.dx-main {
    flex: 1 1 0;
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    min-height: 0;
    overflow: hidden;
}

    .dx-main[data-sidebar="false"] {
        grid-template-columns: minmax(0, 1fr);
    }

/* ===== القائمة الجانبية ===== */
.dx-sidebar {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow-y: auto;
    background: var(--dx-surface);
    border-inline-end: 1px solid var(--dx-border);
}

/* ===== منطقة المحتوى ===== */
.dx-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
    min-height: 0;
    overflow: auto;
    background: var(--dx-bg);
}

    /* كل ابن مباشر يملأ العرض افتراضيًا */
    .dx-content > * {
        min-width: 0;
        flex-shrink: 0;
    }

/* ===== عناصر جاهزة ===== */
.dx-input,
.dx-app select {
    width: 100%;
    padding: 8px 10px;
    border-radius: 9px;
    border: 1px solid var(--dx-border);
    background: var(--dx-surface-2);
    outline: none;
    transition: border-color .15s;
}

    .dx-input:focus,
    .dx-app select:focus {
        border-color: var(--dx-accent);
    }

.dx-btn {
    padding: 8px 12px;
    border-radius: 9px;
    border: 1px solid var(--dx-border);
    background: var(--dx-surface-2);
    cursor: pointer;
    font-size: .88rem;
    transition: filter .15s, background .15s, transform .1s;
}

    .dx-btn:hover {
        background: var(--dx-hover);
    }

    .dx-btn:active {
        transform: scale(.985);
    }

    .dx-btn.dx-primary {
        background: var(--dx-accent);
        color: #fff;
        border-color: transparent;
        font-weight: 600;
    }

        .dx-btn.dx-primary:hover {
            filter: brightness(1.08);
        }

    .dx-btn.dx-danger-outline {
        background: transparent;
        color: var(--dx-danger);
        border-color: var(--dx-danger);
        width: 100%;
    }

.dx-sidebar-head {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    border-bottom: 1px solid var(--dx-border);
}

.dx-notes-list {
    list-style: none;
    margin: 0;
    padding: 6px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
    scrollbar-width: thin;
}

.dx-note-item {
    padding: 9px 11px;
    border-radius: 9px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .15s;
}

    .dx-note-item:hover {
        background: var(--dx-hover);
    }

    .dx-note-item.dx-active {
        background: var(--dx-accent-soft);
    }

        .dx-note-item.dx-active .dx-note-title {
            color: var(--dx-accent);
        }

    .dx-note-item:focus-visible {
        outline: 2px solid var(--dx-accent);
        outline-offset: 1px;
    }

.dx-note-title {
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dx-note-snippet {
    font-size: .76rem;
    color: var(--dx-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dx-note-date {
    font-size: .68rem;
    color: var(--dx-muted);
    margin-top: 3px;
    opacity: .85;
}

.dx-empty-list {
    padding: 18px 12px;
    text-align: center;
    color: var(--dx-muted);
    font-size: .82rem;
}

/* ===== المحرر (للمفكرة) ===== */
.dx-editor-inner {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    padding: 14px 18px 8px;
}

.dx-editor-head {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dx-title-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    outline: none;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 6px 2px;
}

.dx-body-input {
    flex: 1;
    min-height: 0;
    border: none;
    background: transparent;
    outline: none;
    resize: none;
    padding: 8px 2px;
    font-size: var(--dx-editor-font);
    line-height: 1.9;
    font-family: inherit;
}

.dx-editor-foot {
    height: 20px;
    display: flex;
    align-items: center;
    font-size: .72rem;
    color: var(--dx-muted);
}

.dx-editor-empty {
    flex: 1;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--dx-muted);
    padding: 16px;
}

    .dx-editor-empty .dx-big {
        font-size: 2.2rem;
        opacity: .5;
        margin-bottom: 6px;
    }

/* ===== الديالوج ===== */
.dx-dialog-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(3px);
    display: grid;
    place-items: center;
    outline: none;
    animation: dx-fade .18s ease-out;
}

@keyframes dx-fade {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.dx-dialog {
    background: var(--dx-surface);
    color: var(--dx-text);
    border-radius: 10px;
    box-shadow: var(--dx-shadow);
    overflow: hidden;
    max-width: 92vw;
    animation: dx-pop .18s ease-out;
}

@keyframes dx-pop {
    from {
        opacity: 0;
        transform: translateY(8px) scale(.98);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.dx-dialog-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px 4px 12px;
    min-height: 38px;
    border-bottom: 1px solid var(--dx-border);
}

.dx-dialog-title {
    margin: 0;
    font-size: .92rem;
    font-weight: 700;
}

.dx-dialog-head .dx-icon-btn {
    width: 30px;
    height: 30px;
    font-size: .85rem;
    border-radius: 8px;
}

.dx-dialog-body {
    padding: 14px 14px 16px;
    max-height: min(70vh, 560px);
    overflow-y: auto;
}

.dx-dialog-footer {
    padding: 10px 14px;
    border-top: 1px solid var(--dx-border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ===== محدد الألوان ===== */
.dx-colorpicker {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dx-colorpicker-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 9px;
    border: 1px solid var(--dx-border);
    background: var(--dx-surface-2);
    cursor: pointer;
    font-size: .85rem;
    text-align: start;
    transition: background .15s, border-color .15s;
}

    .dx-colorpicker-trigger:hover {
        background: var(--dx-hover);
    }

    .dx-colorpicker-trigger:focus-visible {
        outline: none;
        border-color: var(--dx-accent);
    }

.dx-colorpicker-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid rgba(0,0,0,.12);
}

.dx-colorpicker-label {
    flex: 1;
    font-family: ui-monospace, Menlo, monospace;
    font-size: .8rem;
    color: var(--dx-text);
}

.dx-colorpicker-arrow {
    color: var(--dx-muted);
    font-size: .7rem;
    transition: transform .15s;
}

.dx-colorpicker-trigger[aria-expanded="true"] .dx-colorpicker-arrow {
    transform: rotate(180deg);
}

.dx-colorpicker-backdrop {
    position: fixed;
    inset: 0;
    z-index: 99;
}

.dx-colorpicker-popup {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    z-index: 100;
    background: var(--dx-surface);
    border: 1px solid var(--dx-border);
    border-radius: 12px;
    box-shadow: var(--dx-shadow);
    padding: 8px;
    min-width: 220px;
    animation: dx-pop .16s ease-out;
}

.dx-colorpicker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2px 6px 8px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--dx-border);
    min-height: 28px;
}

.dx-colorpicker-title {
    font-size: .8rem;
    font-weight: 600;
    color: var(--dx-text);
}

.dx-colorpicker-close {
    width: 24px !important;
    height: 24px !important;
    font-size: .72rem !important;
    border-radius: 7px !important;
}

.dx-colorpicker-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
    padding: 2px;
}

.dx-colorpicker-cell {
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    background: var(--dx-cell-color);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
    transition: transform .12s, border-color .12s, box-shadow .12s;
}

    .dx-colorpicker-cell:hover {
        transform: scale(1.08);
        box-shadow: inset 0 0 0 1px rgba(0,0,0,.08), 0 0 0 2px var(--dx-hover);
    }

    .dx-colorpicker-cell.dx-active {
        border-color: var(--dx-text);
        box-shadow: inset 0 0 0 1px rgba(0,0,0,.08), 0 0 0 2px var(--dx-surface);
    }

.dx-colorpicker-check {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: .85rem;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,.5);
}

/* ===== حقول الإعدادات ===== */
.dx-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.dx-field-label {
    font-size: .83rem;
    font-weight: 600;
}

.dx-hint {
    margin: 0;
    font-size: .7rem;
    color: var(--dx-muted);
    line-height: 1.6;
}

.dx-segmented {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    background: var(--dx-surface-2);
    padding: 3px;
    border-radius: 10px;
    border: 1px solid var(--dx-border);
}

.dx-segmented-btn {
    border: none;
    background: transparent;
    padding: 7px 5px;
    border-radius: 8px;
    cursor: pointer;
    font-size: .83rem;
    transition: background .15s, color .15s;
}

    .dx-segmented-btn:hover {
        background: var(--dx-hover);
    }

    .dx-segmented-btn.dx-active {
        background: var(--dx-accent);
        color: #fff;
        font-weight: 600;
    }

.dx-app input[type="range"] {
    width: 100%;
    accent-color: var(--dx-accent);
    cursor: pointer;
    margin: 2px 0;
}

.dx-divider {
    height: 1px;
    background: var(--dx-border);
    margin: 2px 0 12px;
    border: none;
}

/* ===== لوحة افتراضية (تملأ العرض والارتفاع) ===== */
.dx-dashboard-default {
    flex: 1;
    width: 100%;
    padding: 32px;
    box-sizing: border-box;
}

    .dx-dashboard-default h2 {
        margin: 0 0 8px;
        font-size: 1.4rem;
    }

    .dx-dashboard-default p {
        margin: 0 0 8px;
        color: var(--dx-muted);
        line-height: 1.7;
    }

/* ===== الجوال ===== */
.dx-sidebar-backdrop {
    position: fixed;
    inset: var(--dx-topbar-h) 0 0 0;
    background: rgba(0,0,0,.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
    z-index: 25;
}

    .dx-sidebar-backdrop.dx-show {
        opacity: 1;
        pointer-events: auto;
    }

@media (min-width: 761px) {
    .dx-menu-btn {
        display: none;
    }

    .dx-sidebar-backdrop {
        display: none;
    }
}

@media (max-width: 760px) {
    .dx-main {
        grid-template-columns: 1fr;
    }

    .dx-sidebar {
        position: fixed;
        top: var(--dx-topbar-h);
        bottom: 0;
        right: 0;
        width: min(86vw, 330px);
        transform: translateX(105%);
        transition: transform .25s ease;
        z-index: 30;
        box-shadow: var(--dx-shadow);
        border-inline-end: none;
    }

        .dx-sidebar.dx-open {
            transform: translateX(0);
        }

    .dx-topbar-middle {
        display: none;
    }

    .dx-colorpicker-popup {
        min-width: min(260px, 84vw);
    }

    .dx-colorpicker-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}