/* ==========================================================================
   RemoteDesk Pro — app.css
   Dark support-console theme (CONTRACTS §8: Bootstrap 5.3 data-bs-theme="dark").
   Bootstrap supplies base components; this file adds the app shell, accent
   colour system, device cards / status dots, the remote-session fullscreen
   layout, the floating toolbar, login screen, and the toast region.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design tokens (accent colours + console palette)
   -------------------------------------------------------------------------- */
:root {
    /* Accent (brand). Override here to re-skin the whole console. */
    --rdp-accent:        #3d8bfd;
    --rdp-accent-strong: #2f6fe0;
    --rdp-accent-soft:   rgba(61, 139, 253, 0.16);
    --rdp-accent-glow:   rgba(61, 139, 253, 0.35);

    /* Surfaces (darker than Bootstrap's default body for a console feel). */
    --rdp-bg:        #0c0f14;
    --rdp-surface:   #131822;
    --rdp-surface-2: #1a2130;
    --rdp-surface-3: #222b3c;
    --rdp-border:    #2a3445;
    --rdp-border-soft: #1f2735;

    /* Text. */
    --rdp-text:      #e6eaf2;
    --rdp-text-dim:  #9aa6bd;
    --rdp-text-faint:#65718a;

    /* Status colours. */
    --rdp-online:      #28c76f;
    --rdp-offline:     #5a6678;
    --rdp-busy:        #ff9f43;
    --rdp-maintenance: #b07cff;
    --rdp-danger:      #ea5455;

    /* Layout metrics. */
    --rdp-sidebar-w:  248px;
    --rdp-topbar-h:   60px;
    --rdp-radius:     12px;
    --rdp-radius-sm:  8px;

    /* Map Bootstrap theming onto our accent so buttons/links match. */
    --bs-primary:        var(--rdp-accent);
    --bs-primary-rgb:    61, 139, 253;
    --bs-link-color:     var(--rdp-accent);
    --bs-link-hover-color: var(--rdp-accent-strong);
    --bs-body-bg:        var(--rdp-bg);
    --bs-body-color:     var(--rdp-text);
}

/* Bootstrap dark-theme variable overrides for cohesive surfaces. */
[data-bs-theme="dark"] {
    --bs-body-bg:           var(--rdp-bg);
    --bs-body-color:        var(--rdp-text);
    --bs-secondary-color:   var(--rdp-text-dim);
    --bs-tertiary-bg:       var(--rdp-surface-2);
    --bs-border-color:      var(--rdp-border);
    --bs-primary:           var(--rdp-accent);
    --bs-primary-rgb:       61, 139, 253;
    --bs-card-bg:           var(--rdp-surface);
    --bs-card-border-color: var(--rdp-border-soft);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body.rdp {
    margin: 0;
    background:
        radial-gradient(1200px 600px at 100% -10%, rgba(61, 139, 253, 0.07), transparent 60%),
        var(--rdp-bg);
    color: var(--rdp-text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { text-decoration: none; }

.btn-primary {
    --bs-btn-bg: var(--rdp-accent);
    --bs-btn-border-color: var(--rdp-accent);
    --bs-btn-hover-bg: var(--rdp-accent-strong);
    --bs-btn-hover-border-color: var(--rdp-accent-strong);
    --bs-btn-active-bg: var(--rdp-accent-strong);
    --bs-btn-active-border-color: var(--rdp-accent-strong);
    --bs-btn-disabled-bg: var(--rdp-accent);
    --bs-btn-disabled-border-color: var(--rdp-accent);
}

/* ==========================================================================
   App shell layout (sidebar + main column)
   ========================================================================== */
.rdp-layout {
    display: flex;
    min-height: 100vh;
}

.rdp-main {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    margin-left: var(--rdp-sidebar-w);
}

.rdp-content {
    flex: 1 1 auto;
    padding: 1.5rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.rdp-content--full {
    padding: 0;
    max-width: none;
    height: 100vh;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.rdp-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--rdp-sidebar-w);
    background: linear-gradient(180deg, var(--rdp-surface) 0%, var(--rdp-bg) 100%);
    border-right: 1px solid var(--rdp-border-soft);
    display: flex;
    flex-direction: column;
    z-index: 1040;
}

.rdp-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--rdp-border-soft);
}

.rdp-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--rdp-accent), var(--rdp-accent-strong));
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 4px 14px var(--rdp-accent-glow);
    flex: 0 0 auto;
}

.rdp-brand-mark--lg {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    font-size: 1.8rem;
}

.rdp-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
}

.rdp-brand-text__name {
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.2px;
}

.rdp-brand-text__ver {
    font-size: 0.7rem;
    color: var(--rdp-text-faint);
}

.rdp-nav {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 0.75rem 0.6rem;
}

.rdp-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.rdp-nav__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.8rem;
    border-radius: var(--rdp-radius-sm);
    color: var(--rdp-text-dim);
    font-weight: 500;
    font-size: 0.94rem;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.rdp-nav__link:hover {
    background: var(--rdp-surface-2);
    color: var(--rdp-text);
}

.rdp-nav__link.is-active {
    background: var(--rdp-accent-soft);
    color: #cfe0ff;
    box-shadow: inset 3px 0 0 var(--rdp-accent);
}

.rdp-nav__link.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.rdp-nav__icon {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
    flex: 0 0 auto;
}

.rdp-sidebar__footer {
    border-top: 1px solid var(--rdp-border-soft);
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.rdp-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.rdp-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--rdp-surface-3);
    color: var(--rdp-text);
    font-weight: 600;
    font-size: 0.85rem;
    flex: 0 0 auto;
}

.rdp-avatar--lg {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--rdp-accent), var(--rdp-accent-strong));
    color: #fff;
}

.rdp-user__meta {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.rdp-user__name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rdp-user__role {
    font-size: 0.74rem;
    color: var(--rdp-text-faint);
}

.rdp-logout {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
}

.rdp-sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.rdp-sidebar-backdrop.is-visible { opacity: 1; }

/* --------------------------------------------------------------------------
   Topbar
   -------------------------------------------------------------------------- */
.rdp-topbar {
    position: sticky;
    top: 0;
    z-index: 1020;
    height: var(--rdp-topbar-h);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.25rem;
    background: rgba(19, 24, 34, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--rdp-border-soft);
}

.rdp-topbar__title {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rdp-topbar__spacer { flex: 1 1 auto; }

.rdp-topbar__user {
    align-items: center;
    gap: 0.55rem;
}

.rdp-topbar__username {
    font-size: 0.9rem;
    color: var(--rdp-text-dim);
}

.rdp-sidebar-toggle { flex: 0 0 auto; }

/* ==========================================================================
   Flash + toast region
   ========================================================================== */
.rdp-flash {
    padding: 1rem 1.25rem 0;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.rdp-toast-region {
    position: fixed;
    top: calc(var(--rdp-topbar-h) + 0.75rem);
    right: 1rem;
    z-index: 1090;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: min(360px, calc(100vw - 2rem));
    pointer-events: none;
}

.rdp-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--rdp-radius-sm);
    background: var(--rdp-surface-2);
    border: 1px solid var(--rdp-border);
    border-left-width: 3px;
    color: var(--rdp-text);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    font-size: 0.9rem;
    transform: translateX(12px);
    opacity: 0;
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.rdp-toast.is-visible { transform: translateX(0); opacity: 1; }
.rdp-toast.is-leaving { transform: translateX(12px); opacity: 0; }

.rdp-toast--success { border-left-color: var(--rdp-online); }
.rdp-toast--danger  { border-left-color: var(--rdp-danger); }
.rdp-toast--warning { border-left-color: var(--rdp-busy); }
.rdp-toast--info    { border-left-color: var(--rdp-accent); }

.rdp-toast__icon { font-size: 1.05rem; line-height: 1.35; flex: 0 0 auto; }
.rdp-toast--success .rdp-toast__icon { color: var(--rdp-online); }
.rdp-toast--danger  .rdp-toast__icon { color: var(--rdp-danger); }
.rdp-toast--warning .rdp-toast__icon { color: var(--rdp-busy); }
.rdp-toast--info    .rdp-toast__icon { color: var(--rdp-accent); }

.rdp-toast__body { flex: 1 1 auto; line-height: 1.35; }

.rdp-toast__close {
    background: none;
    border: 0;
    color: var(--rdp-text-faint);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    flex: 0 0 auto;
}
.rdp-toast__close:hover { color: var(--rdp-text); }

/* ==========================================================================
   Device cards + status dots
   ========================================================================== */
.rdp-device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.rdp-device-card {
    background: var(--rdp-surface);
    border: 1px solid var(--rdp-border-soft);
    border-radius: var(--rdp-radius);
    padding: 1rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.rdp-device-card:hover {
    border-color: var(--rdp-border);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.rdp-device-card__head {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
}

.rdp-device-card__os {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--rdp-surface-2);
    color: var(--rdp-text-dim);
    font-size: 1.3rem;
    flex: 0 0 auto;
}

.rdp-device-card__title {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1 1 auto;
}

.rdp-device-card__name {
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rdp-device-card__group {
    font-size: 0.76rem;
    color: var(--rdp-text-faint);
}

.rdp-device-card__meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.82rem;
    color: var(--rdp-text-dim);
}

.rdp-device-card__meta-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.rdp-device-card__meta-row i { width: 1rem; text-align: center; color: var(--rdp-text-faint); }

.rdp-device-card__actions {
    display: flex;
    gap: 0.4rem;
    margin-top: auto;
    flex-wrap: wrap;
}

.rdp-device-card__actions .btn { flex: 1 1 auto; }

/* Status dot + badge */
.rdp-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--rdp-text-dim);
    white-space: nowrap;
}

.rdp-status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--rdp-offline);
    flex: 0 0 auto;
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
}

.rdp-status-dot--online {
    background: var(--rdp-online);
    box-shadow: 0 0 0 3px rgba(40, 199, 111, 0.18);
    animation: rdp-pulse 2s infinite;
}
.rdp-status-dot--offline     { background: var(--rdp-offline); }
.rdp-status-dot--busy        { background: var(--rdp-busy);  box-shadow: 0 0 0 3px rgba(255, 159, 67, 0.18); }
.rdp-status-dot--maintenance { background: var(--rdp-maintenance); }

@keyframes rdp-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(40, 199, 111, 0.35); }
    70%  { box-shadow: 0 0 0 6px rgba(40, 199, 111, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 199, 111, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .rdp-status-dot--online { animation: none; }
}

/* Reusable page header band */
.rdp-page-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.rdp-page-head__title { margin: 0; font-weight: 600; }
.rdp-page-head__spacer { flex: 1 1 auto; }

.rdp-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--rdp-surface-2);
    border: 1px solid var(--rdp-border-soft);
    font-size: 0.82rem;
    color: var(--rdp-text-dim);
}

.rdp-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--rdp-text-faint);
}
.rdp-empty i { font-size: 2.4rem; display: block; margin-bottom: 0.75rem; opacity: 0.6; }

/* ==========================================================================
   Remote session — fullscreen layout + floating toolbar
   ========================================================================== */
.rdp-remote {
    position: fixed;
    inset: 0;
    background: #000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.rdp-remote__stage {
    position: relative;
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        repeating-conic-gradient(#0a0d12 0% 25%, #0e1219 0% 50%) 0 / 28px 28px;
}

.rdp-remote__video {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    display: block;
    background: #000;
    cursor: none; /* custom cursor overlay used in control mode */
}

.rdp-remote__video.is-view-only { cursor: default; }

.rdp-remote__cursor {
    position: absolute;
    width: 16px;
    height: 16px;
    margin: -2px 0 0 -2px;
    pointer-events: none;
    z-index: 5;
    color: var(--rdp-accent);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.8));
    display: none;
}

.rdp-remote__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    background: rgba(5, 7, 11, 0.82);
    color: var(--rdp-text-dim);
    z-index: 8;
    text-align: center;
    padding: 2rem;
}
.rdp-remote__overlay[hidden] { display: none; }
.rdp-remote__overlay .spinner-border { width: 2.5rem; height: 2.5rem; }

/* Floating toolbar (top-centre, auto-hides handled by JS via .is-hidden) */
.rdp-toolbar {
    position: absolute;
    top: 0.85rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.55rem;
    border-radius: 999px;
    background: rgba(19, 24, 34, 0.92);
    backdrop-filter: blur(12px);
    border: 1px solid var(--rdp-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: opacity 0.25s ease, transform 0.25s ease;
    max-width: calc(100vw - 1.5rem);
    flex-wrap: wrap;
    justify-content: center;
}

.rdp-toolbar.is-hidden {
    opacity: 0;
    transform: translate(-50%, -120%);
    pointer-events: none;
}

.rdp-toolbar__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-width: 38px;
    height: 38px;
    padding: 0 0.7rem;
    border-radius: 999px;
    border: 0;
    background: transparent;
    color: var(--rdp-text-dim);
    font-size: 1.05rem;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.rdp-toolbar__btn:hover { background: var(--rdp-surface-3); color: var(--rdp-text); }
.rdp-toolbar__btn.is-active { background: var(--rdp-accent-soft); color: #cfe0ff; }
.rdp-toolbar__btn--danger:hover { background: rgba(234, 84, 85, 0.18); color: #ff8a8b; }

.rdp-toolbar__sep {
    width: 1px;
    height: 22px;
    background: var(--rdp-border);
    margin: 0 0.15rem;
}

.rdp-toolbar__label { font-size: 0.8rem; }

/* Session info HUD (bottom-left): latency / fps / timer / user */
.rdp-remote__hud {
    position: absolute;
    bottom: 0.85rem;
    left: 0.85rem;
    z-index: 20;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    transition: opacity 0.25s ease;
}

.rdp-hud-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    background: rgba(19, 24, 34, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--rdp-border-soft);
    font-size: 0.76rem;
    font-variant-numeric: tabular-nums;
    color: var(--rdp-text-dim);
}
.rdp-hud-chip i { color: var(--rdp-text-faint); }
.rdp-hud-chip__value { color: var(--rdp-text); font-weight: 600; }

/* ==========================================================================
   Login screen
   ========================================================================== */
body.rdp-login {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(900px 500px at 50% -10%, rgba(61, 139, 253, 0.12), transparent 65%),
        var(--rdp-bg);
}

.rdp-login__wrap {
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.rdp-login__card {
    width: 100%;
    background: var(--rdp-surface);
    border: 1px solid var(--rdp-border-soft);
    border-radius: 18px;
    padding: 2rem 1.75rem 1.5rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.rdp-login__brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.rdp-login__name {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0.85rem 0 0.2rem;
}

.rdp-login__tagline {
    color: var(--rdp-text-faint);
    font-size: 0.88rem;
    margin: 0;
}

.rdp-login__form .form-control,
.rdp-login__form .input-group-text {
    background: var(--rdp-surface-2);
    border-color: var(--rdp-border);
    color: var(--rdp-text);
}
.rdp-login__form .input-group-text { color: var(--rdp-text-faint); }
.rdp-login__form .form-control:focus {
    background: var(--rdp-surface-2);
    border-color: var(--rdp-accent);
    box-shadow: 0 0 0 0.2rem var(--rdp-accent-soft);
    color: var(--rdp-text);
}

.rdp-login__submit { margin-top: 0.25rem; font-weight: 600; }

.rdp-login__footnote {
    text-align: center;
    margin: 1.25rem 0 0;
    font-size: 0.78rem;
    color: var(--rdp-text-faint);
}

.rdp-login__version {
    font-size: 0.74rem;
    color: var(--rdp-text-faint);
    margin: 0;
}

/* ==========================================================================
   Responsive: collapse sidebar into an off-canvas drawer below lg.
   ========================================================================== */
@media (max-width: 991.98px) {
    .rdp-main { margin-left: 0; }

    .rdp-sidebar {
        transform: translateX(-100%);
        transition: transform 0.22s ease;
    }
    .rdp-sidebar.is-open { transform: translateX(0); }

    .rdp-content { padding: 1rem; }
}

@media (min-width: 992px) {
    .rdp-sidebar-toggle,
    .rdp-sidebar-backdrop { display: none !important; }
}