/* ============================================================
   PBM Polish — Modern micro-interactions on top of Fluent 2
   Loaded AFTER pbm-fluent.css. Adds smooth animations,
   refined motion, modern depth & glassmorphism touches.
   ============================================================ */

/* ── Font upgrade: Inter (modern variable font, fallback to Segoe UI) ── */
@import url('https://rsms.me/inter/inter.css');

:root {
    --ft-font-family: "Inter var", "Inter", "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --pol-ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
    --pol-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --pol-shadow-soft: 0 1px 3px rgba(15,23,42,.04), 0 4px 12px rgba(15,23,42,.04);
    --pol-shadow-lift: 0 4px 8px rgba(15,23,42,.06), 0 12px 28px rgba(15,23,42,.08);
    --pol-shadow-pop:  0 2px 4px rgba(15,23,42,.06), 0 8px 24px rgba(0,120,212,.18);
    --pol-border-glass: rgba(255,255,255,.6);
}

html { scroll-behavior: smooth; }

/* Smooth font rendering everywhere */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    background:
        radial-gradient(1200px 600px at 100% -10%, rgba(0,120,212,.04), transparent 60%),
        radial-gradient(800px 400px at -10% 100%, rgba(16,124,16,.03), transparent 50%),
        var(--ft-neutral-4);
    background-attachment: fixed;
    font-feature-settings: "cv11", "ss01", "ss03";
}

/* ============================================================
   Top bar — glassmorphism + subtle gradient border
   ============================================================ */
.ft-topbar {
    background: rgba(255,255,255,.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid rgba(15,23,42,.06);
    box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 4px 12px rgba(15,23,42,.03);
}

.ft-topbar__logo {
    background: linear-gradient(135deg, var(--ft-brand-60), var(--ft-brand-80));
    box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, 0 2px 6px rgba(0,120,212,.35);
    transition: transform var(--ft-duration) var(--pol-ease-spring);
}
.ft-topbar__brand:hover .ft-topbar__logo { transform: scale(1.08) rotate(-3deg); }

.ft-topbar__search input {
    transition: all var(--ft-duration) var(--pol-ease-out);
}
.ft-topbar__search input:focus {
    background: #fff;
    border-color: var(--ft-brand-60);
    box-shadow:
        0 0 0 3px rgba(0,120,212,.15),
        0 1px 2px rgba(15,23,42,.05);
}

.ft-topbar__iconbtn,
.ft-topbar__user {
    position: relative;
    transition: background var(--ft-duration) var(--pol-ease-out), transform var(--ft-duration) var(--pol-ease-spring);
}
.ft-topbar__iconbtn:hover { background: rgba(0,120,212,.08); color: var(--ft-brand-60); }
.ft-topbar__iconbtn:active { transform: scale(0.92); }
.ft-topbar__user {
    background: linear-gradient(135deg, var(--ft-brand-60), #4f8de2);
    box-shadow: 0 2px 8px rgba(0,120,212,.35);
}
.ft-topbar__user:hover { transform: scale(1.06); }

/* ============================================================
   Sidebar — smoother nav with refined active state
   ============================================================ */
.ft-sidebar {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-right: 1px solid rgba(15,23,42,.06);
}

.ft-nav__item {
    margin: 1px 8px;
    padding: 7px 12px;
    border-radius: 6px;
    border-left: none;
    transition: all 180ms var(--pol-ease-out);
    position: relative;
    overflow: hidden;
}
.ft-nav__item::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px; height: 60%;
    background: var(--ft-brand-60);
    border-radius: 0 3px 3px 0;
    transition: transform 220ms var(--pol-ease-spring);
}
.ft-nav__item:hover {
    background: rgba(0,120,212,.05);
    color: var(--ft-brand-70);
    transform: translateX(2px);
}
.ft-nav__item.is-active {
    background: linear-gradient(90deg, rgba(0,120,212,.10), rgba(0,120,212,.04));
    color: var(--ft-brand-70);
    font-weight: var(--ft-fw-semibold);
}
.ft-nav__item.is-active::before { transform: translateY(-50%) scaleY(1); }
.ft-nav__icon {
    /* font-family forced via fluent.css; only add transition here */
    transition: transform 180ms var(--pol-ease-out), font-variation-settings 160ms ease;
}
.ft-nav__item:hover .ft-nav__icon {
    transform: scale(1.12);
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.ft-nav__section {
    color: var(--ft-neutral-30);
    padding-top: var(--ft-space-5);
    font-size: 10px;
}

/* ============================================================
   Page header — animated entrance
   ============================================================ */
.ft-page-header {
    animation: pol-fade-in 320ms var(--pol-ease-out);
}
.ft-page-header__title {
    letter-spacing: -0.02em;
    background: linear-gradient(180deg, var(--ft-neutral-80) 0%, var(--ft-neutral-60) 120%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes pol-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Cards — soft elevation with hover lift
   ============================================================ */
.card {
    border: 1px solid rgba(15,23,42,.06);
    box-shadow: var(--pol-shadow-soft);
    transition: box-shadow 240ms var(--pol-ease-out), transform 240ms var(--pol-ease-out), border-color 240ms;
    overflow: hidden;
}
.card:hover {
    border-color: rgba(15,23,42,.10);
    box-shadow: var(--pol-shadow-lift);
}
/* Optional lift utility — apply to interactive cards only */
.card.card-interactive:hover { transform: translateY(-2px); }

.card-header {
    background: linear-gradient(180deg, rgba(255,255,255,1), rgba(250,250,250,1));
    border-bottom: 1px solid rgba(15,23,42,.05);
}

/* ============================================================
   Buttons — micro-interaction polish
   ============================================================ */
.btn, .ft-btn {
    transition:
        background 180ms var(--pol-ease-out),
        border-color 180ms var(--pol-ease-out),
        box-shadow 180ms var(--pol-ease-out),
        transform 100ms var(--pol-ease-spring);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.btn:active, .ft-btn:active { transform: scale(0.96); }

.btn-primary, .ft-btn--primary {
    background: linear-gradient(180deg, var(--ft-brand-60), var(--ft-brand-70)) !important;
    border-color: var(--ft-brand-70) !important;
    box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 1px 2px rgba(0,120,212,.20);
}
.btn-primary:hover, .ft-btn--primary:hover {
    background: linear-gradient(180deg, #1184dc, var(--ft-brand-70)) !important;
    box-shadow: 0 1px 0 rgba(255,255,255,.22) inset, 0 4px 12px rgba(0,120,212,.35);
}
.btn-primary:focus-visible, .ft-btn--primary:focus-visible {
    box-shadow: 0 0 0 3px rgba(0,120,212,.30), 0 1px 0 rgba(255,255,255,.18) inset !important;
}

.btn-outline-primary, .btn-outline-secondary {
    box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 1px 2px rgba(15,23,42,.04);
}
.btn-outline-primary:hover {
    background: rgba(0,120,212,.06) !important;
    border-color: var(--ft-brand-60) !important;
    color: var(--ft-brand-70) !important;
}
.btn-outline-secondary:hover { background: var(--ft-neutral-4) !important; }
.btn-outline-danger:hover {
    background: rgba(197,15,31,.06) !important;
    border-color: var(--ft-danger-60) !important;
}

/* ============================================================
   Forms — refined feedback
   ============================================================ */
.form-control, .form-select {
    transition: all 180ms var(--pol-ease-out);
    box-shadow: 0 1px 2px rgba(15,23,42,.03);
}
.form-control:focus, .form-select:focus {
    border-color: var(--ft-brand-60);
    box-shadow:
        0 0 0 3px rgba(0,120,212,.15),
        0 1px 2px rgba(15,23,42,.04);
}
.form-control:disabled, .form-select:disabled {
    background: var(--ft-neutral-4);
    color: var(--ft-neutral-30);
}

/* Floating-label feel: when input has content + lost focus, label still visible (Bootstrap default) */

/* ============================================================
   Tables — smoother row interactions
   ============================================================ */
.ft-table-wrap {
    border: 1px solid rgba(15,23,42,.06);
    box-shadow: var(--pol-shadow-soft);
    transition: box-shadow 240ms var(--pol-ease-out);
}
.ft-table-wrap:hover { box-shadow: var(--pol-shadow-lift); }

.ft-table-toolbar {
    background: linear-gradient(180deg, rgba(255,255,255,1), rgba(250,250,250,1));
    border-bottom: 1px solid rgba(15,23,42,.05);
}

.ft-table-toolbar__search {
    transition: all 180ms var(--pol-ease-out);
}
.ft-table-toolbar__search:focus {
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0,120,212,.12);
    border-color: var(--ft-brand-60);
}

.ft-table-toolbar__btn {
    transition: all 160ms var(--pol-ease-out);
}
.ft-table-toolbar__btn:hover {
    background: var(--ft-neutral-6);
    border-color: var(--ft-neutral-30);
}
.ft-table-toolbar__btn:active { transform: scale(0.97); }
.ft-table-toolbar__btn.is-active {
    background: var(--ft-brand-10);
    border-color: var(--ft-brand-60);
    color: var(--ft-brand-70);
    font-weight: var(--ft-fw-semibold);
}

table.ft-table thead th {
    background: linear-gradient(180deg, #fcfcfc, #f7f7f7);
    border-bottom: 1px solid rgba(15,23,42,.08);
    transition: background 160ms var(--pol-ease-out);
    font-size: 11px;
}
table.ft-table thead th:hover {
    background: linear-gradient(180deg, #f5f5f5, #ebebeb);
    color: var(--ft-brand-70);
}

table.ft-table tbody td { border-bottom: 1px solid rgba(15,23,42,.04); }

table.ft-table tbody tr {
    transition: background 140ms var(--pol-ease-out), box-shadow 140ms var(--pol-ease-out);
    position: relative;
}
table.ft-table tbody tr:hover {
    background: linear-gradient(90deg, rgba(0,120,212,.05), rgba(0,120,212,.02));
    box-shadow: inset 2px 0 0 var(--ft-brand-60);
}

/* Row entrance animation (subtle stagger via nth-child if you want it; off by default) */

/* ============================================================
   Toasts / alerts — refined message bars with icon
   ============================================================ */
.ft-messages {
    position: fixed;
    top: calc(var(--ft-topbar-h) + 12px);
    right: 16px;
    z-index: 1100;
    width: min(420px, calc(100vw - 32px));
    pointer-events: none;
}
.ft-messages .alert {
    pointer-events: all;
    margin: 0 0 8px;
    box-shadow: 0 8px 24px rgba(15,23,42,.10), 0 1px 3px rgba(15,23,42,.06);
    border-width: 1px;
    border-radius: 8px;
    padding: 12px 14px;
    animation: pol-toast-in 320ms var(--pol-ease-spring);
    backdrop-filter: blur(10px);
    background-clip: padding-box;
}
.ft-messages .alert::before {
    content: "ℹ";
    font-weight: bold;
    margin-right: 8px;
    flex-shrink: 0;
}
.ft-messages .alert-success::before { content: "✓"; }
.ft-messages .alert-danger::before, .ft-messages .alert-error::before { content: "✕"; }
.ft-messages .alert-warning::before { content: "⚠"; }

@keyframes pol-toast-in {
    from { opacity: 0; transform: translateX(20px) scale(0.95); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

/* ============================================================
   Badges — small refinements
   ============================================================ */
.badge {
    padding: 3px 9px;
    border-radius: 12px;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 0 rgba(255,255,255,.4) inset;
}
.badge.bg-success { background: var(--ft-success-10) !important; color: var(--ft-success-60) !important; }
.badge.bg-danger  { background: var(--ft-danger-10)  !important; color: var(--ft-danger-60)  !important; }
.badge.bg-warning { background: var(--ft-warning-10) !important; color: var(--ft-warning-60) !important; }
.badge.bg-info    { background: var(--ft-info-10)    !important; color: var(--ft-info-60)    !important; }
.badge.bg-secondary { background: var(--ft-neutral-6) !important; color: var(--ft-neutral-60) !important; }

/* ============================================================
   Empty state — refined motion
   ============================================================ */
.ft-empty { animation: pol-fade-up 420ms var(--pol-ease-out); }
.ft-empty__icon { animation: pol-float 3s ease-in-out infinite; }
@keyframes pol-fade-up {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pol-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}

/* ============================================================
   Top progress bar (page transitions)
   ============================================================ */
.pol-progress {
    position: fixed; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ft-brand-60), #4f8de2, var(--ft-brand-60));
    background-size: 200% 100%;
    z-index: 9999;
    opacity: 0;
    transition: opacity 200ms;
    animation: pol-progress-slide 1.2s linear infinite;
}
.pol-progress.is-active { opacity: 1; }
@keyframes pol-progress-slide {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================
   Scrollbars — modern, subtle (WebKit/Edge/Chrome)
   ============================================================ */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
    background: rgba(15,23,42,.18);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: background 160ms;
}
*::-webkit-scrollbar-thumb:hover { background-color: rgba(15,23,42,.32); }

/* Firefox */
* { scrollbar-width: thin; scrollbar-color: rgba(15,23,42,.18) transparent; }

/* ============================================================
   Selection
   ============================================================ */
::selection {
    background: rgba(0,120,212,.25);
    color: var(--ft-neutral-80);
}

/* ============================================================
   Mobile refinements
   ============================================================ */
@media (max-width: 900px) {
    /* Sidebar — solid bg (no blur on mobile for perf) */
    .ft-sidebar {
        background: #fff;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    /* Table toolbar — stack on narrow screens */
    .ft-table-toolbar { gap: 6px; }
    .ft-table-toolbar__search { width: 100%; }
}

@media (max-width: 576px) {
    /* Toasts — full-width on mobile */
    .ft-messages {
        left: 12px;
        right: 12px;
        width: auto;
    }
    .ft-messages .alert { border-radius: 6px; }

    /* Topbar icon buttons — tighter */
    .ft-topbar__iconbtn { width: 32px; height: 32px; }
    .ft-topbar__iconbtn .material-symbols-rounded { font-size: 20px; }
}

/* ============================================================
   Reduced motion (a11y)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}