/* Admin B2B — shell theme (Lunelli)
   Scope: sidebar, navbar, typography, tokens, auth. Keeps AdminLTE structure. */

:root {
    --brand: #184680;
    --brand-dark: #0f2f58;
    --brand-deeper: #0a2342;
    --brand-soft: #e8eef6;
    --brand-mid: #2a5f9e;
    --surface: #f4f6f9;
    --surface-card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --sidebar-w: 260px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(15, 47, 88, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 47, 88, 0.08);
    --font: "DM Sans", "Segoe UI", system-ui, sans-serif;
}

html,
body {
    font-family: var(--font);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--surface);
}

/* ---- Primary / brand overrides ---- */
.bg-primary,
.badge-primary,
.btn-primary {
    background-color: var(--brand) !important;
    border-color: var(--brand) !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--brand-dark) !important;
    border-color: var(--brand-dark) !important;
}

.btn-outline-primary {
    color: var(--brand) !important;
    border-color: var(--brand) !important;
}

.btn-outline-primary:hover {
    background-color: var(--brand) !important;
    color: #fff !important;
}

.text-primary {
    color: var(--brand) !important;
}

.page-item.active .page-link,
.nav-pills .nav-link.active {
    background-color: var(--brand) !important;
    border-color: var(--brand) !important;
}

a {
    color: var(--brand-mid);
}

a:hover {
    color: var(--brand);
}

/* ---- Sidebar ---- */
.main-sidebar {
    width: var(--sidebar-w) !important;
    box-shadow: 4px 0 24px rgba(10, 35, 66, 0.18) !important;
    border-right: none !important;
}

.main-sidebar,
.main-sidebar .sidebar {
    background: linear-gradient(180deg, var(--brand-deeper) 0%, var(--brand-dark) 55%, #123a66 100%) !important;
}

.brand-link {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    padding: 0.95rem 1rem !important;
    background: transparent !important;
}

.brand-link .brand-image {
    opacity: 1 !important;
    box-shadow: none !important;
    margin-top: -2px;
    max-height: 36px;
    border-radius: 8px !important;
}

.brand-link .brand-text {
    font-weight: 700 !important;
    letter-spacing: 0.01em;
    font-size: 1.05rem;
}

.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link.active,
.sidebar-light-primary .nav-sidebar > .nav-item > .nav-link.active {
    background-color: rgba(255, 255, 255, 0.14) !important;
    color: #fff !important;
    box-shadow: none !important;
}

.nav-sidebar .nav-link {
    border-radius: var(--radius-sm) !important;
    margin: 0.15rem 0.65rem !important;
    padding: 0.55rem 0.75rem !important;
    color: rgba(255, 255, 255, 0.78) !important;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: #fff !important;
}

.nav-sidebar .nav-icon {
    width: 1.5rem !important;
    margin-right: 0.45rem !important;
    color: rgba(255, 255, 255, 0.55) !important;
    font-size: 0.95rem !important;
}

.nav-sidebar .nav-link.active .nav-icon,
.nav-sidebar .nav-link:hover .nav-icon {
    color: #fff !important;
}

.nav-sidebar .nav-treeview .nav-link {
    margin-left: 0.85rem !important;
    padding-left: 1.85rem !important;
    font-size: 0.9rem;
}

.nav-header {
    color: rgba(255, 255, 255, 0.4) !important;
    font-size: 0.7rem !important;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 1rem 1.25rem 0.35rem !important;
}

body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .content-wrapper,
body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .main-footer,
body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .main-header {
    margin-left: var(--sidebar-w) !important;
}

@media (max-width: 767.98px) {
    body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .content-wrapper,
    body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .main-footer,
    body:not(.sidebar-mini-md):not(.sidebar-mini-xs):not(.layout-top-nav) .main-header {
        margin-left: 0 !important;
    }
}

/* ---- Navbar ---- */
.main-header.navbar {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-sm) !important;
    min-height: 56px;
    padding: 0.25rem 0.75rem;
}

.main-header .nav-link {
    color: var(--text-muted) !important;
    border-radius: var(--radius-sm);
}

.main-header .nav-link:hover {
    color: var(--brand) !important;
    background: var(--brand-soft);
}

.main-header .navbar-nav .nav-link > .fas,
.main-header .navbar-nav .nav-link > .far,
.main-header .navbar-nav .nav-link > .fab {
    font-size: 1rem;
}

/* ---- Content shell ---- */
.content-wrapper {
    background-color: var(--surface) !important;
}

.content-header {
    padding: 1.25rem 1.25rem 0.5rem !important;
}

.content-header h1 {
    font-size: 1.45rem !important;
    font-weight: 700 !important;
    color: var(--text);
    letter-spacing: -0.02em;
}

.content {
    padding: 0.75rem 1.25rem 1.5rem !important;
}

.breadcrumb {
    background: transparent !important;
    padding: 0 !important;
    margin: 0.25rem 0 0 !important;
    font-size: 0.85rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* Soften default AdminLTE cards in shell context */
.card {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm) !important;
    background: var(--surface-card);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--border) !important;
    border-top: none !important;
    padding: 0.9rem 1.15rem !important;
    font-weight: 600;
}

.card-primary.card-outline {
    border-top: 3px solid var(--brand) !important;
}

.card-title {
    font-weight: 650 !important;
    color: var(--text);
}

.small-box {
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-md) !important;
}

.small-box .icon {
    opacity: 0.2;
}

.main-footer {
    background: var(--surface-card) !important;
    border-top: 1px solid var(--border) !important;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Forms / buttons shell polish */
.form-control,
.custom-select,
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border) !important;
}

.form-control:focus {
    border-color: var(--brand-mid) !important;
    box-shadow: 0 0 0 3px rgba(24, 70, 128, 0.15) !important;
}

.btn {
    border-radius: var(--radius-sm) !important;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.btn-flat {
    border-radius: var(--radius-sm) !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: var(--brand) !important;
    border: 1px solid var(--brand) !important;
    color: #fff;
    border-radius: 4px !important;
}

.select2-selection__choice__remove {
    color: #fff !important;
}

/* ---- Auth shell (login / register / passwords) ---- */
.auth-shell-page {
    min-height: 100vh !important;
    background: var(--surface) !important;
}

.auth-shell-page .wrapper,
.auth-shell-page > .auth-shell {
    min-height: 100vh;
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    min-height: 100vh;
    width: 100%;
}

.auth-brand {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        linear-gradient(155deg, #07182e 0%, var(--brand-deeper) 42%, var(--brand) 100%);
    display: flex;
    align-items: flex-end;
    padding: clamp(2rem, 5vw, 4.5rem);
}

.auth-brand__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
    animation: authFloat 12s ease-in-out infinite;
}

.auth-brand__glow--a {
    width: 28rem;
    height: 28rem;
    top: -8rem;
    right: -6rem;
    background: rgba(90, 150, 220, 0.28);
}

.auth-brand__glow--b {
    width: 22rem;
    height: 22rem;
    bottom: -6rem;
    left: -4rem;
    background: rgba(24, 70, 128, 0.55);
    animation-delay: -4s;
}

.auth-brand__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%);
    opacity: 0.7;
    pointer-events: none;
}

.auth-brand__inner {
    position: relative;
    z-index: 1;
    max-width: 34rem;
    animation: authRise 0.7s ease-out both;
}

.auth-brand__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    color: #fff !important;
    text-decoration: none !important;
    margin-bottom: 2.75rem;
}

.auth-brand__logo img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    padding: 8px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.auth-brand__wordmark {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.auth-brand__eyebrow {
    display: inline-block;
    margin: 0 0 0.85rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.06);
}

.auth-brand__title {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 3.4vw, 3rem);
    line-height: 1.12;
    font-weight: 700;
    letter-spacing: -0.035em;
    max-width: 16ch;
}

.auth-brand__lead {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
    max-width: 34ch;
}

.auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem);
    background:
        radial-gradient(800px 400px at 100% 0%, rgba(24, 70, 128, 0.08), transparent 55%),
        var(--surface);
}

.auth-panel__card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(15, 47, 88, 0.08);
    padding: clamp(1.5rem, 3vw, 2.25rem);
    animation: authRise 0.7s ease-out 0.08s both;
}

.auth-panel__mobile-brand {
    margin-bottom: 1.5rem;
}

.auth-panel__mobile-brand a {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text) !important;
    font-weight: 700;
    text-decoration: none !important;
}

.auth-panel__mobile-brand img {
    border-radius: 10px;
    background: var(--brand-soft);
    padding: 4px;
}

.auth-panel__header h2 {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
}

.auth-panel__subtitle {
    margin: 0.4rem 0 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.auth-form .auth-field {
    margin-bottom: 1.1rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

.auth-field__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
}

.auth-field__row label {
    margin-bottom: 0;
}

.auth-field__link {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--brand-mid) !important;
    white-space: nowrap;
}

.auth-form .form-control {
    height: 46px;
    border-radius: 10px 0 0 10px !important;
    border-color: var(--border) !important;
    font-size: 0.95rem;
    padding-left: 0.95rem;
}

.auth-form .input-group-text {
    border-radius: 0 10px 10px 0 !important;
    background: #fff;
    border-color: var(--border);
    color: var(--text-muted);
    min-width: 46px;
    justify-content: center;
}

.auth-form .form-control:focus {
    border-color: var(--brand-mid) !important;
    box-shadow: none !important;
}

.auth-form .form-control:focus + .input-group-append .input-group-text,
.auth-form .input-group:focus-within .input-group-text {
    border-color: var(--brand-mid);
    color: var(--brand);
}

.auth-form__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0.25rem 0 1.35rem;
}

.auth-form__meta label {
    margin: 0;
    font-weight: 500;
    color: var(--text-muted);
}

.auth-submit {
    width: 100%;
    height: 48px;
    border-radius: 10px !important;
    font-size: 0.98rem !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 10px 24px rgba(24, 70, 128, 0.28);
}

.auth-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(24, 70, 128, 0.34);
}

.auth-panel__footer {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.auth-panel__footer-text {
    margin: 0;
    text-align: center;
    font-size: 0.88rem;
}

.auth-panel__footer a {
    font-weight: 600;
}

/* Hide legacy AdminLTE login-box centering when shell is used */
.auth-shell-page.login-page,
.auth-shell-page.register-page {
    display: block !important;
    height: auto !important;
}

@keyframes authRise {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes authFloat {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(12px, -18px, 0); }
}

@media (max-width: 991.98px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-brand {
        display: none;
    }

    .auth-panel {
        min-height: 100vh;
        align-items: flex-start;
        padding-top: 2.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-brand__inner,
    .auth-panel__card,
    .auth-brand__glow {
        animation: none !important;
    }
}

/* Preloader */
.preloader {
    background: var(--brand-deeper) !important;
}