:root {
    --gympro-primary: #2563eb;
    --gympro-primary-dark: #1d4ed8;
    --gympro-primary-soft: #dbeafe;
    --gympro-accent: #14b8a6;
    --gympro-energy: #f97316;
    --gympro-success: #22c55e;
    --gympro-bg: #f8fafc;
    --gympro-surface: #ffffff;
    --gympro-text: #0f172a;
    --gympro-muted: #64748b;
    --gympro-border: #e2e8f0;
    --gympro-shadow-sm: 0 0.35rem 1rem rgba(15, 23, 42, 0.07);
    --gympro-shadow-md: 0 0.9rem 2rem rgba(15, 23, 42, 0.1);
    --gympro-ring: 0 0 0 0.22rem rgba(37, 99, 235, 0.16);
}

body {
    background:
        linear-gradient(135deg, rgba(20, 184, 166, 0.08), transparent 28rem),
        linear-gradient(315deg, rgba(249, 115, 22, 0.08), transparent 24rem),
        linear-gradient(180deg, #f8fafc 0%, #eef6ff 100%);
    color: var(--gympro-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    min-height: 100vh;
}

.app-shell {
    min-height: 100vh;
}

.app-sidebar {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98)),
        linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(20, 184, 166, 0.08));
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    width: 280px;
    min-height: 100vh;
    max-height: 100vh;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1030;
}

.app-sidebar .nav {
    flex: 1 1 auto;
    align-content: flex-start;
    flex-wrap: nowrap;
    height: auto;
    max-height: 100%;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: scroll;
    overscroll-behavior: contain;
    padding-right: 0.65rem !important;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.app-sidebar .nav::-webkit-scrollbar {
    width: 0.55rem;
}

.app-sidebar .nav::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gympro-primary), var(--gympro-accent));
    border-radius: 999px;
}

.app-sidebar .nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-brand,
.sidebar-footer {
    flex: 0 0 auto;
}

.mobile-menu-toggle,
.sidebar-backdrop {
    display: none;
}

.brand-mark {
    align-items: center;
    background: linear-gradient(135deg, var(--gympro-primary), var(--gympro-accent));
    border-radius: 0.5rem;
    box-shadow: 0 0.65rem 1.25rem rgba(37, 99, 235, 0.24);
    color: #fff;
    display: inline-flex;
    height: 2rem;
    justify-content: center;
    width: 2rem;
}

.sidebar-link {
    border-radius: 0.5rem;
    color: var(--gympro-muted);
    display: flex;
    align-items: center;
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
    white-space: nowrap;
}

.sidebar-link > i,
.sidebar-group-toggle span > i {
    align-items: center;
    background: var(--sidebar-item-bg, rgba(37, 99, 235, 0.1));
    border-radius: 0.45rem;
    color: var(--sidebar-item-color, var(--gympro-primary));
    display: inline-flex;
    flex: 0 0 auto;
    height: 1.65rem;
    justify-content: center;
    margin-right: 0.65rem !important;
    width: 1.65rem;
}

.sidebar-link.active,
.sidebar-link:hover {
    background: linear-gradient(135deg, #eff6ff, #ecfeff);
    color: var(--gympro-primary);
    transform: translateX(0.12rem);
}

.sidebar-link span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-group {
    flex: 0 0 auto;
    min-width: 0;
    width: 100%;
}

.sidebar-group:nth-of-type(1) {
    --sidebar-item-bg: #dbeafe;
    --sidebar-item-color: #2563eb;
}

.sidebar-group:nth-of-type(2) {
    --sidebar-item-bg: #dcfce7;
    --sidebar-item-color: #16a34a;
}

.sidebar-group:nth-of-type(3) {
    --sidebar-item-bg: #fef3c7;
    --sidebar-item-color: #d97706;
}

.sidebar-group:nth-of-type(4) {
    --sidebar-item-bg: #ede9fe;
    --sidebar-item-color: #7c3aed;
}

.sidebar-group:nth-of-type(5) {
    --sidebar-item-bg: #e0f2fe;
    --sidebar-item-color: #0284c7;
}

.sidebar-group:nth-of-type(6) {
    --sidebar-item-bg: #ffe4e6;
    --sidebar-item-color: #e11d48;
}

.sidebar-group:nth-of-type(7) {
    --sidebar-item-bg: #ccfbf1;
    --sidebar-item-color: #0f766e;
}

.sidebar-group:nth-of-type(8) {
    --sidebar-item-bg: #f1f5f9;
    --sidebar-item-color: #475569;
}

.sidebar-group-toggle {
    align-items: center;
    background: transparent;
    border: 0;
    border-radius: 0.5rem;
    color: var(--gympro-text);
    display: flex;
    font-size: 0.82rem;
    font-weight: 700;
    justify-content: space-between;
    min-width: 0;
    padding: 0.55rem 0.75rem;
    text-align: left;
    text-transform: uppercase;
    width: 100%;
    transition: background-color 0.18s ease, color 0.18s ease;
}

.sidebar-group-toggle:hover {
    background: rgba(37, 99, 235, 0.08);
    color: var(--gympro-primary-dark);
}

.sidebar-group-toggle span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-group-chevron {
    color: var(--gympro-muted);
    font-size: 0.75rem;
    transition: transform 0.18s ease;
}

.sidebar-group-toggle:not(.collapsed) .sidebar-group-chevron {
    transform: rotate(180deg);
}

.sidebar-group-links {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.15rem 0 0.35rem 0.6rem;
}

.sidebar-group-links .sidebar-link {
    font-size: 0.93rem;
    padding-left: 0.85rem;
}

.app-main {
    margin-left: 280px;
    min-height: 100vh;
}

.topbar {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.kpi-card {
    background: var(--kpi-bg, linear-gradient(135deg, #eff6ff, #ecfeff));
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 0.5rem;
}

.row > [class*="col"]:nth-child(4n + 1) .kpi-card {
    --kpi-bg: linear-gradient(135deg, #dbeafe, #e0f2fe);
}

.row > [class*="col"]:nth-child(4n + 2) .kpi-card {
    --kpi-bg: linear-gradient(135deg, #dcfce7, #ccfbf1);
}

.row > [class*="col"]:nth-child(4n + 3) .kpi-card {
    --kpi-bg: linear-gradient(135deg, #fef3c7, #ffedd5);
}

.row > [class*="col"]:nth-child(4n + 4) .kpi-card {
    --kpi-bg: linear-gradient(135deg, #ede9fe, #fce7f3);
}

.card {
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.035), rgba(20, 184, 166, 0.035)),
        var(--gympro-surface);
    border-color: rgba(226, 232, 240, 0.9) !important;
    border-radius: 0.5rem;
    box-shadow: var(--gympro-shadow-sm) !important;
    overflow: hidden;
    position: relative;
    transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.card:not(.login-card)::before {
    background: linear-gradient(90deg, var(--gympro-primary), var(--gympro-accent), var(--gympro-energy));
    content: "";
    height: 0.18rem;
    inset: 0 0 auto 0;
    opacity: 0.72;
    position: absolute;
}

.card:hover {
    box-shadow: var(--gympro-shadow-md) !important;
    transform: translateY(-0.08rem);
}

.card-header,
.card-footer {
    border-color: rgba(226, 232, 240, 0.85);
}

.card-header {
    background:
        linear-gradient(90deg, rgba(37, 99, 235, 0.06), rgba(20, 184, 166, 0.06)),
        var(--gympro-surface) !important;
}

.btn {
    border-radius: 0.55rem;
    font-weight: 650;
    transition: box-shadow 0.18s ease, transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
    transform: translateY(-0.06rem);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gympro-primary), var(--gympro-accent));
    border-color: transparent;
    box-shadow: 0 0.6rem 1.25rem rgba(37, 99, 235, 0.2);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--gympro-primary-dark), #0f9f93);
    border-color: transparent;
    box-shadow: 0 0.75rem 1.5rem rgba(37, 99, 235, 0.26);
}

.btn-outline-primary {
    border-color: rgba(37, 99, 235, 0.38);
    color: var(--gympro-primary-dark);
}

.btn-outline-primary:hover {
    background: var(--gympro-primary);
    border-color: var(--gympro-primary);
}

.form-control,
.form-select {
    border-color: #cbd5e1;
    border-radius: 0.5rem;
    box-shadow: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--gympro-primary);
    box-shadow: var(--gympro-ring);
}

.table {
    --bs-table-hover-bg: rgba(37, 99, 235, 0.045);
}

.table thead th {
    background: linear-gradient(180deg, #f8fafc, #eef6ff);
    color: #334155;
    font-size: 0.78rem;
    text-transform: uppercase;
}

.table tbody tr {
    transition: background-color 0.16s ease;
}

.badge {
    border-radius: 999px;
    font-weight: 650;
    padding: 0.42em 0.72em;
}

.alert {
    border-radius: 0.5rem;
    box-shadow: var(--gympro-shadow-sm);
}

.container-fluid > .d-flex.flex-wrap.align-items-center.justify-content-between,
.container-fluid > .mb-4:first-child {
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(20, 184, 166, 0.12)),
        linear-gradient(90deg, rgba(249, 115, 22, 0.12), transparent 42%);
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-left: 0.28rem solid var(--gympro-energy);
    border-radius: 0.65rem;
    box-shadow: 0 0.45rem 1.2rem rgba(15, 23, 42, 0.06);
    padding: 1rem 1.15rem;
}

.container-fluid > .d-flex.flex-wrap.align-items-center.justify-content-between h1,
.container-fluid > .mb-4:first-child h1 {
    color: #0f2f63;
}

.container-fluid > .d-flex.flex-wrap.align-items-center.justify-content-between p,
.container-fluid > .mb-4:first-child p {
    color: #25636a !important;
    font-weight: 650;
}

.login-panel {
    position: relative;
    z-index: 2;
    max-width: 460px;
    width: 100%;
}

.login-hero-shell {
    background: #04111f;
    isolation: isolate;
    overflow: hidden;
    position: relative;
}

.login-bg-slide {
    background-position: center;
    background-size: cover;
    inset: 0;
    opacity: 0;
    position: absolute;
    transform: scale(1.04);
    transition: opacity 1.25s ease, transform 7s ease;
    z-index: 0;
}

.login-bg-slide.active {
    opacity: 1;
    transform: scale(1);
}

.login-hero-overlay {
    background:
        radial-gradient(circle at 72% 24%, rgba(20, 184, 166, 0.18), transparent 25rem),
        linear-gradient(90deg, rgba(2, 6, 23, 0.62), rgba(15, 23, 42, 0.22)),
        linear-gradient(180deg, rgba(2, 6, 23, 0.08), rgba(2, 6, 23, 0.46));
    inset: 0;
    position: absolute;
    z-index: 1;
}

.login-panel-glass {
    animation: loginPanelIn 0.55s ease both;
}

.login-card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    box-shadow: 0 1.25rem 3rem rgba(2, 6, 23, 0.34) !important;
}

@keyframes loginPanelIn {
    from {
        opacity: 0;
        transform: translateY(0.75rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .card:hover,
    .btn:hover,
    .sidebar-link:hover,
    .sidebar-link.active,
    .login-bg-slide,
    .login-panel-glass {
        transform: none;
    }
}

.error-panel {
    max-width: 520px;
    width: 100%;
}

@media (max-width: 991.98px) {
    .mobile-menu-toggle {
        align-items: center;
        background: #fff;
        border: 1px solid var(--gympro-border);
        border-radius: 0.5rem;
        box-shadow: 0 0.5rem 1rem rgba(15, 23, 42, 0.12);
        color: var(--gympro-text);
        display: inline-flex;
        height: 2.75rem;
        justify-content: center;
        left: 1rem;
        position: fixed;
        top: 1rem;
        width: 2.75rem;
        z-index: 1050;
    }

    .app-sidebar {
        box-shadow: 0 1rem 3rem rgba(15, 23, 42, 0.18);
        inset: 0 auto 0 0;
        max-width: calc(100vw - 3rem);
        min-height: 100vh;
        position: fixed;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        width: 280px;
        z-index: 1060;
    }

    body.sidebar-open {
        overflow: hidden;
    }

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

    .sidebar-backdrop {
        background: rgba(15, 23, 42, 0.45);
        inset: 0;
        position: fixed;
        z-index: 1055;
    }

    body.sidebar-open .sidebar-backdrop {
        display: block;
    }

    .app-main {
        margin-left: 0;
        padding-top: 4.75rem;
    }
}