/* ==========================================================
   UniversityResourcesSystem - UR App CSS (Single File)
   Path: wwwroot/css/ur-app.css
   RTL • Modern • Smart • Tables • Forms • Components
   ========================================================== */

/* ---------- Tokens ---------- */
:root {
    --brand: #4f46e5;
    --brand2: #6366f1;
    --accent: #f97316;
    --bg: #f5f7ff;
    --surface: #ffffff;
    --surface2: #fbfbff;
    --text: #111827;
    --muted: #6b7280;
    --muted2: #94a3b8;
    --border: rgba(15,23,42,.10);
    --border2: rgba(15,23,42,.14);
    --shadow: 0 14px 35px rgba(15,23,42,.10);
    --shadow2: 0 10px 20px rgba(15,23,42,.10);
    --r-lg: 18px;
    --r-md: 14px;
    --r-sm: 12px;
    --sidebar-w: 260px;
    --topbar-h: 70px;
    --chip: rgba(79,70,229,.10);
    --chip-text: #3f3fe0;
    --success: #22c55e;
    --warn: #f59e0b;
    --danger: #ef4444;
    --info: #0ea5e9;
    --grad-hero: radial-gradient(1200px circle at 85% -20%, rgba(79,70,229,.22), transparent 55%), radial-gradient(900px circle at 10% 0%, rgba(249,115,22,.16), transparent 52%), linear-gradient(180deg, #f7f8ff 0%, #f3f6ff 100%);
}

/* ---------- Base ---------- */
* {
    box-sizing: border-box
}

html, body {
    height: 100%
}

body {
    margin: 0;
    font-family: 'Cairo',system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
    background: var(--grad-hero);
    color: var(--text);
    overflow-x: hidden;
}

a {
    text-decoration: none
}

button {
    font-family: inherit
}

::selection {
    background: rgba(79,70,229,.18)
}

/* ---------- Bootstrap tweaks ---------- */
.btn {
    border-radius: 12px;
    font-weight: 800;
}

    .btn:focus {
        box-shadow: none
    }

.form-control, .form-select {
    border-radius: 12px !important;
    border-color: var(--border) !important;
}

    .form-control:focus, .form-select:focus {
        border-color: rgba(79,70,229,.45) !important;
        box-shadow: 0 0 0 .2rem rgba(79,70,229,.15) !important;
    }

.text-muted {
    color: var(--muted) !important
}

/* ---------- Helpers ---------- */
.ur-hidden {
    display: none !important
}

.ur-flex {
    display: flex;
    align-items: center
}

.ur-gap-6 {
    gap: 6px
}

.ur-gap-8 {
    gap: 8px
}

.ur-gap-10 {
    gap: 10px
}

.ur-small {
    font-size: .85rem
}

.ur-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface2);
    color: var(--muted);
    font-size: .82rem;
}

.ur-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--chip);
    color: var(--chip-text);
    border: 1px solid rgba(79,70,229,.15);
    font-size: .85rem;
    font-weight: 900;
}

.ur-kpi {
    border: 1px solid var(--border);
    background: rgba(255,255,255,.88);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow2);
}

/* ---------- Shell ---------- */
.ur-shell {
    min-height: 100vh
}

/* ---------- Sidebar ---------- */
.ur-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 28px rgba(15,23,42,.08);
    z-index: 1001;
    display: flex;
    flex-direction: column;
}

.ur-sidebar-head {
    height: var(--topbar-h);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(79,70,229,.06), transparent 70%);
}

.ur-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    background: linear-gradient(135deg,var(--brand),var(--brand2));
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 12px 25px rgba(79,70,229,.30);
}

.ur-brand-title {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

    .ur-brand-title strong {
        font-size: 1.02rem;
        letter-spacing: .1px;
    }

    .ur-brand-title span {
        font-size: .78rem;
        color: var(--muted);
    }

.ur-sidebar-body {
    padding: 14px 10px 16px;
    overflow: auto;
}

    .ur-sidebar-body::-webkit-scrollbar {
        width: 6px
    }

    .ur-sidebar-body::-webkit-scrollbar-thumb {
        background: rgba(148,163,184,.65);
        border-radius: 999px;
    }

.ur-menu-title {
    font-size: .78rem;
    padding: 14px 14px 6px;
    color: var(--muted2);
    font-weight: 900;
    letter-spacing: .3px;
}

.ur-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    margin: 4px 8px;
    border-radius: 14px;
    color: var(--text);
    border: 1px solid transparent;
    transition: transform .12s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
    position: relative;
}

    .ur-link i {
        width: 24px;
        text-align: center;
        color: var(--muted2);
        font-size: 1.02rem;
    }

    .ur-link:hover {
        background: rgba(79,70,229,.09);
        border-color: rgba(79,70,229,.16);
        transform: translateY(-1px);
    }

        .ur-link:hover i {
            color: var(--brand)
        }

    .ur-link.active {
        background: linear-gradient(135deg,var(--brand),var(--brand2));
        color: #fff;
        border-color: rgba(255,255,255,.25);
        box-shadow: 0 14px 26px rgba(79,70,229,.28);
    }

        .ur-link.active i {
            color: #fff
        }

        .ur-link.active::before {
            content: "";
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 70%;
            border-radius: 999px;
            background: linear-gradient(180deg,#fde68a,var(--accent));
        }

/* Sidebar Search */
.ur-search {
    padding: 8px 10px 12px
}

.ur-search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.85);
}

    .ur-search-box i {
        color: var(--muted2)
    }

.ur-search input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: .92rem;
    color: var(--text);
}

    .ur-search input::placeholder {
        color: var(--muted2)
    }

/* ---------- Topbar ---------- */
.ur-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: var(--sidebar-w);
    height: var(--topbar-h);
    background: rgba(255,255,255,.82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
}

.ur-topbar-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ur-page-title {
    font-weight: 900;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.ur-page-subtitle {
    font-size: .80rem;
    color: var(--muted);
}

.ur-top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ur-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(249,250,251,.90);
    display: grid;
    place-items: center;
    cursor: pointer;
    color: var(--muted);
    transition: transform .12s ease, box-shadow .18s ease, border-color .18s ease;
}

    .ur-icon-btn:hover {
        transform: translateY(-1px);
        border-color: rgba(79,70,229,.25);
        box-shadow: var(--shadow2);
        color: var(--brand);
    }

.ur-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(79,70,229,.18);
    background: rgba(79,70,229,.08);
}

.ur-avatar {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-weight: 900;
    color: #fff;
    background: linear-gradient(135deg,var(--brand),var(--brand2));
    box-shadow: 0 14px 26px rgba(79,70,229,.25);
}

.ur-user-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

    .ur-user-meta strong {
        font-size: .88rem
    }

    .ur-user-meta span {
        font-size: .75rem;
        color: var(--muted);
    }

/* ---------- Main ---------- */
.ur-main {
    margin-right: var(--sidebar-w);
    padding-top: calc(var(--topbar-h) + 18px);
    padding-left: 18px;
    padding-right: 18px;
    padding-bottom: 22px;
}

.ur-container {
    background: rgba(255,255,255,.85);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    padding: 18px;
}

/* ==========================================================
   Smart Components (Cards / Alerts / Badges / Chips)
   ========================================================== */
.ur-card {
    background: rgba(255,255,255,.88);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow2);
}

    .ur-card .ur-card-head {
        padding: 14px 16px;
        border-bottom: 1px solid var(--border);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .ur-card .ur-card-body {
        padding: 14px 16px
    }

/* Alerts (upgrade bootstrap look) */
.alert {
    border-radius: 14px !important;
    border-color: var(--border) !important;
    box-shadow: 0 10px 18px rgba(15,23,42,.06);
}

/* ==========================================================
   Tables (Smart Table)
   ========================================================== */
.table {
    border-color: rgba(15,23,42,.10) !important;
    overflow: hidden;
    border-radius: 14px;
}

    .table thead th {
        font-weight: 900;
        color: var(--text);
        background: rgba(15,23,42,.03);
        border-color: rgba(15,23,42,.10) !important;
        white-space: nowrap;
    }

    .table tbody td {
        border-color: rgba(15,23,42,.08) !important;
        vertical-align: middle;
    }

.table-hover tbody tr:hover {
    background: rgba(79,70,229,.06) !important
}

.table-responsive {
    border-radius: 14px
}

/* Table chips */
.ur-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 900;
    font-size: .80rem;
    border: 1px solid var(--border);
    background: var(--surface2);
}

    .ur-status.success {
        color: var(--success);
        border-color: rgba(34,197,94,.25);
        background: rgba(34,197,94,.10);
    }

    .ur-status.warn {
        color: var(--warn);
        border-color: rgba(245,158,11,.30);
        background: rgba(245,158,11,.10);
    }

    .ur-status.danger {
        color: var(--danger);
        border-color: rgba(239,68,68,.28);
        background: rgba(239,68,68,.10);
    }

    .ur-status.info {
        color: var(--info);
        border-color: rgba(14,165,233,.25);
        background: rgba(14,165,233,.10);
    }

/* Pagination */
.pagination .page-link {
    border-radius: 12px !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg,var(--brand),var(--brand2)) !important;
    border-color: transparent !important;
    box-shadow: 0 12px 22px rgba(79,70,229,.25);
}

/* ==========================================================
   Forms (Smart Forms)
   ========================================================== */
.ur-form-card {
    background: rgba(255,255,255,.88);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow2);
    padding: 16px;
}

label.form-label {
    font-weight: 900
}

/* Validation */
.field-validation-error,
.text-danger {
    font-weight: 800
}

.input-validation-error {
    border-color: rgba(239,68,68,.55) !important;
    box-shadow: 0 0 0 .2rem rgba(239,68,68,.15) !important;
}

/* Input group icons */
.ur-input-icon {
    position: relative;
}

    .ur-input-icon i {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--muted2);
        pointer-events: none;
    }

    .ur-input-icon .form-control {
        padding-right: 38px;
    }

/* ==========================================================
   Modals (premium look)
   ========================================================== */
.modal-content {
    border-radius: 18px !important;
    border: 1px solid var(--border) !important;
    box-shadow: 0 20px 50px rgba(15,23,42,.18) !important;
}

.modal-header {
    border-bottom: 1px solid var(--border) !important
}

.modal-footer {
    border-top: 1px solid var(--border) !important
}

/* ==========================================================
   Mobile / Responsive
   ========================================================== */
.ur-mobile-toggle {
    display: none
}

@media (max-width:992px) {
    :root {
        --sidebar-w: 0px
    }

    .ur-topbar {
        right: 0
    }

    .ur-sidebar {
        transform: translateX(110%);
        transition: transform .22s ease;
        width: 280px;
    }

        .ur-sidebar.is-open {
            transform: translateX(0)
        }

    .ur-main {
        margin-right: 0;
        padding-left: 12px;
        padding-right: 12px;
    }

    .ur-mobile-toggle {
        display: inline-grid
    }

    .ur-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(2,6,23,.35);
        backdrop-filter: blur(2px);
        z-index: 999;
        display: none;
    }

        .ur-backdrop.is-open {
            display: block
        }
}

/* ---------- Print ---------- */
@media print {
    .ur-sidebar, .ur-topbar, .ur-backdrop {
        display: none !important
    }

    .ur-main {
        margin: 0 !important;
        padding: 0 !important;
    }

    .ur-container {
        box-shadow: none !important;
        border: 0 !important;
    }
}

/* ==========================================================
   Dashboard UI (KPIs / Charts / Insights) - Add to end
   ========================================================== */

/* Grid helpers */
.ur-grid {
    display: grid;
    gap: 12px;
}

    .ur-grid.kpi {
        grid-template-columns: repeat(12, 1fr);
    }

.ur-col-3 {
    grid-column: span 3;
}

.ur-col-4 {
    grid-column: span 4;
}

.ur-col-6 {
    grid-column: span 6;
}

.ur-col-8 {
    grid-column: span 8;
}

.ur-col-12 {
    grid-column: span 12;
}

/* KPI card */
.ur-kpi-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    background: rgba(255,255,255,.90);
    box-shadow: var(--shadow2);
    padding: 14px 14px 12px;
    min-height: 108px;
}

    .ur-kpi-card::after {
        content: "";
        position: absolute;
        width: 220px;
        height: 220px;
        left: -110px;
        top: -120px;
        border-radius: 999px;
        background: radial-gradient(circle at 30% 30%, rgba(79,70,229,.22), transparent 60%);
        pointer-events: none;
    }

.ur-kpi-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.ur-kpi-title {
    font-size: .86rem;
    color: var(--muted);
    font-weight: 900;
}

.ur-kpi-value {
    font-size: 1.55rem;
    font-weight: 900;
    letter-spacing: .3px;
    margin-top: 6px;
}

.ur-kpi-meta {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    color: var(--muted);
    font-size: .80rem;
}

.ur-kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(79,70,229,.16);
    background: rgba(79,70,229,.10);
    color: var(--brand);
}

    .ur-kpi-icon.orange {
        border-color: rgba(249,115,22,.20);
        background: rgba(249,115,22,.12);
        color: var(--accent);
    }

    .ur-kpi-icon.green {
        border-color: rgba(34,197,94,.20);
        background: rgba(34,197,94,.12);
        color: var(--success);
    }

    .ur-kpi-icon.red {
        border-color: rgba(239,68,68,.20);
        background: rgba(239,68,68,.12);
        color: var(--danger);
    }

/* Small trend pill */
.ur-trend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface2);
    font-weight: 900;
}

    .ur-trend.up {
        color: var(--success);
        border-color: rgba(34,197,94,.25);
        background: rgba(34,197,94,.10);
    }

    .ur-trend.down {
        color: var(--danger);
        border-color: rgba(239,68,68,.25);
        background: rgba(239,68,68,.10);
    }

    .ur-trend.neutral {
        color: var(--muted);
    }

/* Dashboard sections */
.ur-section {
    border: 1px solid var(--border);
    background: rgba(255,255,255,.88);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow2);
    overflow: hidden;
}

.ur-section-head {
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border-bottom: 1px solid var(--border);
}

.ur-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
}

    .ur-section-title i {
        color: var(--brand)
    }

.ur-section-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ur-section-body {
    padding: 12px 14px
}

/* Chart container */
.ur-chart {
    border: 1px solid var(--border);
    background: rgba(255,255,255,.72);
    border-radius: 16px;
    padding: 10px;
}

    .ur-chart canvas {
        max-height: 320px
    }

/* Quick filters row */
.ur-filters {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

    .ur-filters .form-select,
    .ur-filters .form-control {
        min-width: 190px;
    }

/* Dashboard tables improvements */
.ur-table-wrap {
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

    .ur-table-wrap .table {
        margin: 0
    }

/* Responsive grid */
@media (max-width:1200px) {
    .ur-col-3 {
        grid-column: span 6;
    }

    .ur-col-4 {
        grid-column: span 6;
    }
}

@media (max-width:768px) {
    .ur-col-3, .ur-col-4, .ur-col-6, .ur-col-8 {
        grid-column: span 12;
    }

    .ur-kpi-value {
        font-size: 1.4rem;
    }
}