:root {
    --pres-gps-bg: radial-gradient(circle at top left, rgba(14, 165, 233, 0.16), transparent 32%), radial-gradient(circle at top right, rgba(16, 185, 129, 0.14), transparent 28%), linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%);
    --pres-gps-surface: rgba(255, 255, 255, 0.88);
    --pres-gps-surface-strong: rgba(255, 255, 255, 0.96);
    --pres-gps-border: rgba(15, 23, 42, 0.08);
    --pres-gps-text: #0f172a;
    --pres-gps-muted: #64748b;
    --pres-gps-primary: #0f766e;
    --pres-gps-primary-strong: #155e75;
    --pres-gps-accent: #14b8a6;
}

body.pres-gps-app-body,
body.pres-gps-auth-body,
body.pres-gps-error-body {
    background: var(--pres-gps-bg);
    color: var(--pres-gps-text);
    min-height: 100vh;
}

body.pres-gps-app-body::before,
body.pres-gps-auth-body::before,
body.pres-gps-error-body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(15, 118, 110, 0.05), transparent 35%),
        linear-gradient(315deg, rgba(20, 184, 166, 0.05), transparent 30%);
    z-index: 0;
}

.pres-gps-shell,
.pres-gps-auth-page,
.pres-gps-error-page {
    position: relative;
    z-index: 1;
}

.pres-gps-navbar {
    position: relative;
    z-index: 1035;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.82);
    border-bottom: 1px solid var(--pres-gps-border);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.pres-gps-subnav-shell {
    position: sticky;
    top: 0;
    z-index: 1020;
}

.pres-gps-subnav {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--pres-gps-border);
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.05);
}

.pres-gps-nav-list {
    gap: 0.35rem;
    padding: 0.65rem 0;
}

.pres-gps-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.7rem 0.9rem;
    border-radius: 999px;
    color: #334155;
    font-weight: 600;
    transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.pres-gps-nav-link:hover,
.pres-gps-nav-link:focus {
    color: var(--pres-gps-primary);
    background: rgba(15, 118, 110, 0.08);
    box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.08);
}

.pres-gps-nav-link.active,
.nav-item.active>.pres-gps-nav-link {
    color: #fff;
    background: linear-gradient(135deg, var(--pres-gps-primary), var(--pres-gps-primary-strong));
    box-shadow: 0 12px 26px rgba(15, 118, 110, 0.22);
}

.pres-gps-nav-link .nav-link-icon {
    margin-right: 0.1rem;
    opacity: 0.9;
}

.pres-gps-nav-link.active .nav-link-icon,
.nav-item.active>.pres-gps-nav-link .nav-link-icon {
    opacity: 1;
}

.pres-gps-dropdown-menu {
    border: 1px solid var(--pres-gps-border);
    border-radius: 1rem;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.16);
    padding: 0.55rem;
}

.pres-gps-account-toggle {
    align-items: center;
    gap: 0.65rem;
    padding: 0.35rem 0.65rem 0.35rem 0.45rem !important;
    border-radius: 999px;
    transition: background-color 0.18s ease, box-shadow 0.18s ease;
}

.pres-gps-account-toggle:hover,
.pres-gps-account-toggle:focus {
    background: rgba(15, 118, 110, 0.08);
    box-shadow: inset 0 0 0 1px rgba(15, 118, 110, 0.08);
}

.pres-gps-account-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.14);
}

.pres-gps-account-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
}

.pres-gps-account-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--pres-gps-text);
}

.pres-gps-account-role {
    font-size: 0.72rem;
    color: var(--pres-gps-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pres-gps-user-menu {
    z-index: 1040;
    border: 1px solid var(--pres-gps-border);
    border-radius: 1rem;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.16);
    padding: 0.55rem;
    min-width: 15rem;
}

.pres-gps-dropdown-menu .dropdown-item {
    border-radius: 0.75rem;
    padding: 0.65rem 0.8rem;
}

.pres-gps-dropdown-menu .dropdown-item:hover,
.pres-gps-dropdown-menu .dropdown-item:focus,
.pres-gps-dropdown-menu .dropdown-item.active {
    background: rgba(15, 118, 110, 0.09);
    color: var(--pres-gps-primary);
}

.pres-gps-modal-content {
    border-radius: 1.1rem;
}

.pres-gps-navbar .navbar-brand {
    gap: 0.9rem;
    color: var(--pres-gps-text);
}

.pres-gps-brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.95rem;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(20, 184, 166, 0.18));
    box-shadow: 0 10px 22px rgba(15, 118, 110, 0.18);
    padding: 0.45rem;
}

.pres-gps-brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.pres-gps-install-btn {
    position: relative;
    padding: 0.55rem 0.95rem !important;
    border-radius: 0.95rem;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(20, 184, 166, 0.12)) !important;
    border: 1px solid rgba(15, 118, 110, 0.15) !important;
    color: var(--pres-gps-primary) !important;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.pres-gps-install-btn:hover {
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(20, 184, 166, 0.18)) !important;
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.16);
    transform: translateY(-1px);
}

.pres-gps-install-btn:active {
    transform: translateY(0);
}

.pres-gps-install-btn .icon {
    width: 1.3rem;
    height: 1.3rem;
}

.pres-gps-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.pres-gps-brand-name {
    font-size: 0.98rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.pres-gps-brand-subtitle {
    font-size: 0.76rem;
    color: var(--pres-gps-muted);
}

.pres-gps-page-wrapper {
    background: transparent;
}

.pres-gps-page-header {
    padding-top: 1.25rem;
}

.pres-gps-page-title {
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--pres-gps-text);
}

.pres-gps-shell .card,
.pres-gps-auth-card,
.pres-gps-error-card {
    border: 1px solid var(--pres-gps-border);
    border-radius: 1.25rem;
    background: var(--pres-gps-surface-strong);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.12);
    overflow: hidden;
}

.pres-gps-shell .card-header,
.pres-gps-auth-card .card-header {
    background: transparent;
    border-bottom: 1px solid var(--pres-gps-border);
}

.pres-gps-shell .btn-primary,
.pres-gps-auth-card .btn-primary,
.pres-gps-error-card .btn-primary {
    border: 0;
    background: linear-gradient(135deg, var(--pres-gps-primary), var(--pres-gps-primary-strong));
    box-shadow: 0 14px 28px rgba(15, 118, 110, 0.28);
}

.pres-gps-shell .btn-primary:hover,
.pres-gps-auth-card .btn-primary:hover,
.pres-gps-error-card .btn-primary:hover {
    filter: brightness(1.04);
    transform: translateY(-1px);
}

.pres-gps-auth-page .container-tight,
.pres-gps-error-page .container-tight {
    max-width: 28rem;
}

.pres-gps-auth-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.35rem;
}

.pres-gps-auth-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 1.3rem;
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(20, 184, 166, 0.18));
    box-shadow: 0 16px 32px rgba(15, 118, 110, 0.18);
    padding: 0.7rem;
}

.pres-gps-auth-title {
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.pres-gps-auth-subtitle {
    margin: 0;
    color: var(--pres-gps-muted);
    text-align: center;
}

.pres-gps-error-card .empty {
    padding: 2rem 1.5rem;
}

.pres-gps-error-card .empty-header {
    color: var(--pres-gps-primary);
}

@media (max-width: 767.98px) {
    .pres-gps-subnav-shell .collapse.navbar-collapse {
        padding: 0 0.75rem 0.75rem;
    }

    .pres-gps-subnav .container-xl {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .pres-gps-nav-list {
        gap: 0.4rem;
        padding-top: 0.2rem;
        padding-bottom: 0;
    }

    .pres-gps-nav-link {
        width: 100%;
        justify-content: flex-start;
        border-radius: 0.95rem;
        padding: 0.85rem 0.95rem;
    }

    .pres-gps-install-btn {
        width: 100%;
        justify-content: flex-start;
        padding: 0.85rem 0.95rem !important;
    }

    .pres-gps-dropdown-menu {
        border-radius: 0.95rem;
        margin-top: 0.35rem;
    }

    .pres-gps-account-toggle {
        width: 100%;
        justify-content: flex-start;
        padding-right: 0.8rem !important;
    }

    .pres-gps-account-meta {
        display: none;
    }

    .pres-gps-brand-text {
        display: none;
    }

    .pres-gps-page-header {
        padding-top: 1rem;
    }

    .pres-gps-shell .card,
    .pres-gps-auth-card,
    .pres-gps-error-card {
        border-radius: 1rem;
    }

    .pres-gps-auth-mark {
        width: 3.4rem;
        height: 3.4rem;
    }
}