@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@500;700;800&display=swap');

/* Colores principales y variables */
:root {
    --primary-color: #e5be38; /* Dorado corporativo R-Fitness */
    --primary-hover: #f5c842;
    --primary-glow: rgba(229, 190, 56, 0.4);
    --accent-blue: #2563eb;
    --accent-blue-glow: rgba(37, 99, 235, 0.3);
    
    --secondary-color: #0d0d0d; /* Negro profundo */
    --background-color: #121212; /* Fondo principal oscuro */
    --card-bg: #1a1a1a; /* Fondo de paneles y forms */
    --card-border: #2a2a2a;
    
    --text-color: #f5f5f5;
    --text-muted: #a0a0a0;
    
    --success-color: #00d26a;
    --danger-color: #f43f5e;
}

/* Estilos generales */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

a:hover {
    color: var(--primary-hover);
    text-shadow: 0 0 8px var(--primary-glow);
}

/* Layout Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* --- Header & Navbar --- */
.navbar-custom {
    background-color: rgba(13, 13, 13, 0.96) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    padding: 0.45rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand-logo {
    height: 44px;
    max-height: 48px;
    width: auto;
    object-fit: contain;
    margin-right: 12px;
    border-radius: 0;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.6));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.navbar-brand:hover .navbar-brand-logo {
    transform: scale(1.06);
    filter: drop-shadow(0 0 10px rgba(229, 190, 56, 0.5));
}

.navbar-brand-text {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    letter-spacing: 1.2px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 1.15rem;
}

.nav-link-custom {
    color: #d1d5db !important;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.42rem 0.72rem !important;
    transition: all 0.25s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border-radius: 6px;
    white-space: nowrap;
}

.nav-link-custom::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: var(--primary-color) !important;
}

.nav-link-custom:hover::after,
.nav-link-custom.active::after {
    width: 75%;
}

/* --- Dropdown Menu RFitness --- */
.navbar-custom .dropdown-menu {
    background-color: #161616 !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    border-radius: 12px;
    padding: 0.45rem;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.75);
    margin-top: 6px;
    min-width: 225px;
}

.navbar-custom .dropdown-item {
    color: #e0e0e0;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 600;
    padding: 0.52rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.navbar-custom .dropdown-item i {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.navbar-custom .dropdown-item:hover,
.navbar-custom .dropdown-item:focus {
    background-color: rgba(229, 190, 56, 0.16) !important;
    color: #fff !important;
    transform: translateX(3px);
}

.navbar-custom .dropdown-item.active {
    background-color: rgba(229, 190, 56, 0.22) !important;
    color: var(--primary-color) !important;
}

.navbar-custom .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.08) !important;
    margin: 0.35rem 0;
}

/* Desktop Hover for Dropdowns */
@media (min-width: 992px) {
    .navbar-custom .nav-item.dropdown:hover .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .navbar-custom .dropdown-menu {
        display: block;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    }
}

/* Mobile Navbar Collapse Refinement */
@media (max-width: 991px) {
    .navbar-custom .navbar-collapse {
        background: rgba(18, 18, 18, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 14px;
        padding: 1rem;
        margin-top: 0.75rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    }
    .navbar-custom .nav-item {
        width: 100%;
    }
    .navbar-custom .nav-link-custom {
        width: 100%;
        padding: 0.6rem 0.8rem !important;
        font-size: 0.95rem;
    }
    .navbar-custom .dropdown-menu {
        border: none !important;
        background: rgba(255, 255, 255, 0.03) !important;
        box-shadow: none !important;
        padding-left: 0.75rem !important;
        margin: 0.25rem 0 !important;
    }
    .navbar-custom .btn-nav-action {
        width: 100%;
        justify-content: center;
        padding: 0.6rem 1rem !important;
        font-size: 0.9rem;
    }
}

.navbar-toggler-custom {
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 8px 12px;
}

.navbar-toggler-custom:focus {
    box-shadow: 0 0 0 0.25rem var(--primary-glow);
}

/* --- Botones Especiales de Navbar --- */
.btn-nav-action {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    border-radius: 20px;
    padding: 0.38rem 0.9rem !important;
    font-size: 0.82rem;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.btn-checkin-nav {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color) !important;
    box-shadow: 0 4px 15px var(--primary-glow);
    border: none;
}

.btn-checkin-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 190, 56, 0.6);
    color: #000 !important;
}

.btn-logout-nav {
    background-color: transparent;
    color: var(--danger-color) !important;
    border: 1px solid var(--danger-color);
}

.btn-logout-nav:hover {
    background-color: var(--danger-color);
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.4);
}

/* --- Formularios y Tarjetas --- */
.card-custom {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    border: 1px solid var(--card-border);
    position: relative;
    overflow: hidden;
}

.card-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
}

.auth-form {
    max-width: 450px;
    margin: 40px auto;
}

form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

form input[type="text"],
form input[type="password"],
form input[type="email"],
form input[type="number"],
form select {
    width: 100%;
    padding: 14px;
    margin-bottom: 24px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    background-color: var(--secondary-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

form input:focus, form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background-color: #151515;
}

form select {
    background-color: #2a2a2a !important;
    cursor: pointer;
}

form select option {
    background-color: #2a2a2a;
    color: var(--text-color);
}

/* --- Botones --- */
.btn-primary, form button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--secondary-color) !important;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700 !important;
    font-size: 1.05rem;
    border: none !important;
    padding: 14px 28px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover, form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-primary:active, form button[type="submit"]:active {
    transform: translateY(0);
}

.btn-success {
    background-color: var(--success-color) !important;
    border: none !important;
    color: #fff !important;
    font-weight: 600;
}

.btn-success:hover {
    box-shadow: 0 4px 15px rgba(0, 210, 106, 0.4);
    transform: translateY(-2px);
}

.btn-warning {
    background-color: #ffc107 !important;
    color: #212529 !important;
    font-weight: 600;
}

/* --- Tablas --- */
.table {
    color: var(--text-color) !important;
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    color: var(--text-color) !important;
    background-color: rgba(255,255,255,0.03) !important;
}

.table > tbody > tr {
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.table > tbody > tr:hover > * {
    background-color: rgba(229, 190, 56, 0.08) !important;
    color: #fff !important;
}

.table > tbody > tr > td {
    border-top: 1px solid var(--card-border);
    padding: 1rem;
    vertical-align: middle;
}

.table-dark {
    border-radius: 8px;
    overflow: hidden;
}

.table-dark th {
    background-color: rgba(0, 0, 0, 0.4) !important;
    color: var(--text-muted) !important;
    border-bottom: 2px solid var(--primary-color) !important;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    padding: 1.2rem 1rem;
}

/* Badges para Tablas */
.badge-custom {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-active { background-color: rgba(0, 210, 106, 0.2); color: var(--success-color); border: 1px solid var(--success-color); }
.badge-inactive { background-color: rgba(244, 63, 94, 0.2); color: var(--danger-color); border: 1px solid var(--danger-color); }
.badge-pending { background-color: rgba(255, 193, 7, 0.2); color: #ffc107; border: 1px solid #ffc107; }

/* --- Buscadores e Inputs Especiales --- */
.search-input {
    border-radius: 30px !important;
    padding: 12px 25px !important;
    background-color: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    color: var(--text-color) !important;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3) inset;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a0a0a0' class='bi bi-search' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 95% center;
    padding-right: 40px !important;
    transition: all 0.3s ease;
}

.search-input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 4px var(--primary-glow), 0 4px 10px rgba(0,0,0,0.5) inset !important;
    background-color: #1a1a1a !important;
}

/* --- Select2 Dark Theme Customization --- */
.select2-container--default .select2-selection--single {
    background-color: #2a2a2a !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 8px !important;
    height: 48px !important;
    padding: 10px !important;
    color: var(--text-color) !important;
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-color) !important;
    line-height: 26px !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 46px !important;
}
.select2-dropdown {
    background-color: #2a2a2a !important;
    border: 1px solid #444 !important;
    color: var(--text-color) !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
.select2-container--default .select2-results__option--selected {
    background-color: rgba(229, 190, 56, 0.2) !important;
}
.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--primary-color) !important;
    color: #fff !important;
}
.select2-search--dropdown .select2-search__field {
    background-color: #111 !important;
    border: 1px solid var(--card-border) !important;
    color: var(--text-color) !important;
    border-radius: 4px;
}

/* --- Mensajes --- */
.message {
    padding: 16px 20px;
    margin-bottom: 24px;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.message.success {
    background-color: rgba(0, 210, 106, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(0, 210, 106, 0.3);
}

.message.error {
    background-color: rgba(244, 63, 94, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

/* --- Footer --- */
.footer-custom {
    background-color: var(--secondary-color);
    border-top: 1px solid var(--card-border);
    padding: 2.5rem 0 1.5rem;
    text-align: center;
    margin-top: auto;
}

.footer-custom p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-motto {
    display: block;
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* --- Responsive Adjustments --- */

@media (max-width: 768px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    .card-custom { padding: 1.5rem; }
    .navbar-brand-text { font-size: 1rem; }
    .navbar-brand-logo { max-height: 40px; }
    .main-content { margin-top: 2rem !important; margin-bottom: 2rem !important; }
    .table-dark th { padding: 0.8rem 0.5rem; font-size: 0.75rem; }
    .table > tbody > tr > td { padding: 0.8rem 0.5rem; font-size: 0.8rem; }
    .kiosk-clock { font-size: 3rem; }
    .kiosk-input { font-size: 2.5rem !important; max-width: 200px; }
    .kiosk-logo { max-height: 90px; }
    .kiosk-msg h2 { font-size: 1.5rem !important; }
}

@media (max-width: 480px) {
    .navbar-brand-text { display: none; }
    .card-custom { padding: 1rem; border-radius: 8px; }
    .btn-dash { font-size: 0.75rem; padding: 10px; }
    .dash-icon { font-size: 2rem; }
}

/* Mobile Bottom Navigation Premium */
.mobile-bottom-nav {
    position: fixed;
    bottom: 15px;
    left: 15px;
    right: 15px;
    height: 75px;
    background: rgba(25, 25, 25, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 2000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    padding-bottom: 0;
}

body.modal-open .mobile-bottom-nav {
    display: none !important;
}

.active-user-padding {
    padding-bottom: 100px !important;
}

.mobile-nav-item {
    text-decoration: none;
    color: #a0a0a0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 30%;
    position: relative;
    height: 100%;
}

.mobile-nav-item i {
    font-size: 1.8rem;
    margin-bottom: 2px;
    transition: transform 0.3s;
}

.mobile-nav-item.active {
    color: #fff;
}

.mobile-nav-item.active i {
    color: var(--primary-color);
    transform: translateY(-2px);
    text-shadow: 0 0 15px var(--primary-glow);
}

.nav-center-btn {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #e5be38 0%, #c99f18 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -50px;
    box-shadow: 0 8px 25px rgba(229, 190, 56, 0.45);
    color: #000 !important;
    border: 5px solid #1a1a1a;
    transition: all 0.3s;
}

.mobile-nav-item:active .nav-center-btn {
    transform: scale(0.9) translateY(-2px);
}

.mobile-nav-item:active i {
    transform: scale(0.9);
}

/* Navbar Toggler Visibility */
.navbar-toggler {
    background: var(--primary-color) !important;
    border: none !important;
    padding: 6px 10px !important;
    border-radius: 10px !important;
    box-shadow: 0 0 15px var(--primary-glow);
}

.navbar-toggler i {
    color: #000 !important;
}

@media (max-width: 480px) {
    .navbar-brand-text { display: block; font-size: 1.1rem !important; }
    .card-custom { padding: 1.2rem; border-radius: 15px; }
    .main-content { margin-top: 1.5rem !important; }
}