/**
 * Base CSS - MumuGym
 * 
 * Stili di base e variabili CSS per l'applicazione.
 * Include reset, tipografia base e layout foundation.
 */

/* Variabili CSS Globali */
:root {
    /* Colori primari */
    --primary-color: #8ECAE6;
    --secondary-color: #219EBC;
    --dark-color: #023047;
    --accent-color: #FFB703;
    --warning-color: #FB8500;
    
    /* Colori neutri */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #6c757d;
    --text-muted: #6c757d;
    
    /* Colori di stato */
    --success: #28a745;
    --danger: #dc3545;
    --info: #17a2b8;
    --warning: #ffc107;
    
    /* Ombre */
    --shadow-light: 0 2px 10px rgba(2, 48, 71, 0.1);
    --shadow-medium: 0 4px 20px rgba(2, 48, 71, 0.15);
    --shadow-heavy: 0 8px 30px rgba(2, 48, 71, 0.2);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    
    /* Border radius */
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    /* Transizioni */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* Spaziature */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Font sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

/* Nascondi scrollbars mantenendo funzionalità */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* Firefox scrollbar */
html {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

/* Body e HTML */
html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    color: var(--dark-color);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background pattern overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 183, 3, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(251, 133, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(33, 158, 188, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Tipografia base */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-color);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Utility classes */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

.text-center {
    text-align: center !important;
}

.text-left {
    text-align: left !important;
}

.text-right {
    text-align: right !important;
}

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

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

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

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

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

.fw-bold {
    font-weight: 700 !important;
}

.fw-medium {
    font-weight: 500 !important;
}

.fw-normal {
    font-weight: 400 !important;
}

/* Margin e Padding utilities */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0, .ms-0 { margin-left: 0 !important; }
.mr-0, .me-0 { margin-right: 0 !important; }

.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }
.pl-0, .ps-0 { padding-left: 0 !important; }
.pr-0, .pe-0 { padding-right: 0 !important; }

/* Container e layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* Grid system semplice */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-sm));
}

.col {
    flex: 1;
    padding: 0 var(--spacing-sm);
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Responsive breakpoints */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .col-sm-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Focus states per accessibilità */
*:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Rimuovi focus outline per mouse users */
.js-focus-visible *:focus:not(.focus-visible) {
    outline: none;
}

/* Print styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    body::before {
        display: none;
    }
}/**
 * Components CSS - MumuGym
 * 
 * Stili per componenti riutilizzabili dell'applicazione.
 * Include bottoni, form, card, modal e altri elementi UI.
 */

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.65;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--dark-gray);
    border-color: var(--dark-gray);
    color: var(--white);
}

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

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

.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--dark-color);
    padding: var(--spacing-sm);
}

.btn-ghost:hover {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
}

.btn-link {
    background-color: transparent;
    border-color: transparent;
    color: var(--primary-color);
    text-decoration: underline;
    padding: 0;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading .btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.5;
    color: var(--dark-color);
    background-color: var(--white);
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.form-control:focus {
    color: var(--dark-color);
    background-color: var(--white);
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(142, 202, 230, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-valid {
    border-color: var(--success);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-help {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
}

.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section h4 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
}

/* Password input wrapper */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.password-toggle:hover {
    color: var(--dark-color);
    background-color: rgba(0, 0, 0, 0.05);
}

/* Checkbox e radio */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 20px;
    width: 20px;
    background-color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    position: relative;
    transition: var(--transition-fast);
}

.checkbox-container:hover .checkmark {
    background-color: rgba(142, 202, 230, 0.1);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

/* === CARDS === */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-medium);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.card-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
}

.card-subtitle {
    margin: var(--spacing-xs) 0 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.card-body {
    padding: 0;
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.card-clickable {
    cursor: pointer;
    transition: var(--transition);
}

.card-clickable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* === MODALS === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    padding: var(--spacing-md);
}

.modal {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: var(--z-modal);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--dark-color);
    background-color: rgba(0, 0, 0, 0.05);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* === TOAST NOTIFICATIONS === */
.toast-container {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: var(--z-toast);
    max-width: 350px;
}

.toast {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    animation: toastSlideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-error {
    border-left: 4px solid var(--danger);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-info {
    border-left: 4px solid var(--info);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    font-size: var(--font-size-sm);
}

/* === LOADING OVERLAY === */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.loading-spinner {
    text-align: center;
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.loading-spinner p {
    margin: 0;
    font-weight: 500;
    color: var(--dark-color);
}

/* === PROGRESS CIRCLES === */
.progress-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.progress-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.circle-bg {
    fill: none;
    stroke: rgba(142, 202, 230, 0.2);
    stroke-width: 8;
}

.circle-progress {
    fill: none;
    stroke: url(#progressGradient);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dasharray 0.5s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .modal {
        margin: var(--spacing-sm);
    }
    
    .toast-container {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        max-width: none;
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

@media (max-width: 576px) {
    .card {
        padding: var(--spacing-md);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
}/**
 * Dashboard CSS - MumuGym
 * 
 * Stili specifici per la dashboard e sezioni principali dell'applicazione.
 * Include header, navigation, cards statistiche e layout generale.
 */

/* === MAIN APP LAYOUT === */
.main-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* === HEADER === */
.app-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-light);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left h1 {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-left h1 i {
    color: var(--accent-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-profile-btn {
    background: transparent;
    border: none;
    color: var(--dark-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    cursor: pointer;
}

.user-profile-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.content-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === WELCOME SECTION === */
.welcome-section {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    color: var(--white);
}

.welcome-section h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.welcome-section p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

/* === DASHBOARD GRID === */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.dashboard-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    cursor: pointer;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-content h3 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-content p {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
}

.card-content small {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* === PROGRESS SECTION === */
.weight-progress-section {
    margin-bottom: var(--spacing-xxl);
}

.weight-progress-section h3 {
    color: var(--white);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.weight-progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.weight-progress-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.weight-progress-card.clickable {
    cursor: pointer;
}

.weight-progress-card.clickable:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-heavy);
}

.weight-progress-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.weight-progress-card:hover::before {
    left: 100%;
}

.progress-circle {
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.progress-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.progress-card-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.progress-stat {
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius-sm);
}

.progress-stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-xs);
}

.progress-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* === QUICK ACTIONS === */
.quick-actions-section {
    margin-bottom: var(--spacing-xxl);
}

.quick-actions-section h3 {
    color: var(--white);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.quick-action-btn {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-light);
}

.quick-action-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    color: var(--dark-color);
    text-decoration: none;
}

.quick-action-btn i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.quick-action-btn span {
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
}

/* === RECENT WORKOUTS === */
.recent-workouts-section {
    margin-bottom: var(--spacing-xxl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    color: var(--white);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin: 0;
}

.recent-workouts-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-light);
}

.recent-workout-placeholder {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.recent-workout-placeholder p {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* === WEIGHT CHART === */
.weight-chart-section {
    margin-bottom: var(--spacing-xxl);
}

.chart-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-light);
    height: 400px;
}

/* === BOTTOM NAVIGATION === */
.bottom-nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm) 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    position: sticky;
    bottom: 0;
    z-index: var(--z-sticky);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    min-width: 80px;
}

.nav-item:hover {
    background-color: rgba(142, 202, 230, 0.1);
    color: var(--primary-color);
}

.nav-item.active {
    background-color: rgba(142, 202, 230, 0.2);
    color: var(--primary-color);
    font-weight: 600;
}

.nav-item i {
    font-size: var(--font-size-lg);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-sm);
    }
    
    .header-left h1 {
        font-size: var(--font-size-xl);
    }
    
    .user-profile-btn .full-name {
        display: none;
    }
    
    .user-profile-btn .first-name {
        display: inline !important;
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .welcome-section h2 {
        font-size: var(--font-size-2xl);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .weight-progress-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .weight-progress-card {
        padding: var(--spacing-lg);
    }
    
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .quick-action-btn {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .quick-action-btn i {
        font-size: var(--font-size-xl);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .bottom-nav {
        gap: 0;
        padding: var(--spacing-xs) 0;
    }
    
    .nav-item {
        min-width: 60px;
        font-size: 10px;
        padding: var(--spacing-xs);
    }
    
    .nav-item i {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .dashboard-card {
        padding: var(--spacing-md);
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .card-content p {
        font-size: var(--font-size-xl);
    }
    
    .weight-progress-card {
        padding: var(--spacing-md);
    }
    
    .progress-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .quick-actions-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 300px;
        padding: var(--spacing-md);
    }
}

/* === ANIMATIONS === */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

/* === DARK MODE SUPPORT (future) === */
@media (prefers-color-scheme: dark) {
    /* Placeholder per future implementazioni dark mode */
}

/* === PRINT STYLES === */
@media print {
    .bottom-nav,
    .app-header {
        display: none;
    }
    
    .main-app {
        background: white;
    }
    
    .dashboard-card,
    .weight-progress-card,
    .recent-workouts-container,
    .chart-container {
        background: white;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}/**
 * Authentication CSS - MumuGym
 * 
 * Stili specifici per le pagine e componenti di autenticazione.
 * Include form login, registrazione, recupero password e relativi stati.
 */

/* === AUTH OVERLAY === */
.auth-overlay {
    position: relative;
    min-height: 100vh;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
    padding: var(--spacing-xxl);
    position: relative;
    animation: authSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes authSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* === AUTH HEADER === */
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.auth-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.auth-header h1 i {
    color: var(--accent-color);
    -webkit-text-fill-color: var(--accent-color);
}

.auth-header p {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* === AUTH FORMS === */
.auth-forms {
    position: relative;
    overflow: hidden;
}

.auth-form {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(100px);
}

.auth-form.active {
    opacity: 1;
    visibility: visible;
    position: relative;
    transform: translateX(0);
}

.auth-form h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--dark-color);
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

/* === AUTH FORM FIELDS === */
.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--dark-color);
    font-size: var(--font-size-sm);
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="number"],
.auth-form select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    background-color: var(--white);
    color: var(--dark-color);
    transition: var(--transition);
}

.auth-form input:focus,
.auth-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(142, 202, 230, 0.1);
    transform: translateY(-1px);
}

.auth-form input.is-invalid {
    border-color: var(--danger);
    background-color: rgba(220, 53, 69, 0.05);
}

.auth-form input.is-valid {
    border-color: var(--success);
    background-color: rgba(40, 167, 69, 0.05);
}

/* Form description text */
.form-description {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Remember me checkbox */
.remember-me-group {
    margin: var(--spacing-lg) 0;
}

.remember-me-group .checkbox-container {
    justify-content: center;
}

/* === AUTH BUTTONS === */
.auth-form .btn-primary {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-top: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.auth-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    transform: translateY(-50%);
}

.auth-form .btn-primary:hover::before {
    left: 100%;
}

/* Loading state for buttons */
.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading .btn-loading {
    display: flex !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* === AUTH SWITCHING === */
.auth-switch {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.auth-switch .link {
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.auth-switch .link:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

/* === FORM VALIDATION === */
.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--danger);
    font-weight: 500;
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-help {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
}

/* === PASSWORD STRENGTH INDICATOR === */
.password-strength {
    margin-top: var(--spacing-sm);
    height: 4px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.password-strength-weak .password-strength-bar {
    width: 33%;
    background-color: var(--danger);
}

.password-strength-medium .password-strength-bar {
    width: 66%;
    background-color: var(--warning);
}

.password-strength-strong .password-strength-bar {
    width: 100%;
    background-color: var(--success);
}

/* === ANIMATIONS PER FORM SWITCHING === */
.auth-overlay.login-mode .auth-form {
    transform: translateX(-50px);
}

.auth-overlay.register-mode .auth-form {
    transform: translateX(0);
}

.auth-overlay.forgot-password-mode .auth-form {
    transform: translateX(50px);
}

/* Animazioni specifiche per ogni form */
.auth-overlay.login-mode #login-form.active {
    transform: translateX(0);
}

.auth-overlay.register-mode #register-form.active {
    transform: translateX(0);
}

.auth-overlay.forgot-password-mode #forgot-password-form.active {
    transform: translateX(0);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
    .auth-overlay {
        padding: var(--spacing-md);
    }
    
    .auth-container {
        padding: var(--spacing-xl);
        max-width: 100%;
    }
    
    .auth-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 576px) {
    .auth-overlay {
        padding: var(--spacing-sm);
        align-items: flex-start;
        padding-top: var(--spacing-xl);
    }
    
    .auth-container {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius);
    }
    
    .auth-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .auth-header h1 {
        font-size: var(--font-size-xl);
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .auth-form h3 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .form-section h4 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-sm);
    }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    .auth-container,
    .auth-form,
    .auth-form input,
    .btn-primary::before {
        animation: none;
        transition: none;
    }
}

/* === DARK MODE SUPPORT (futuro) === */
@media (prefers-color-scheme: dark) {
    /* Placeholder per future implementazioni dark mode */
}

/* === PRINT STYLES === */
@media print {
    .auth-overlay {
        background: var(--white);
        color: black;
    }
    
    .auth-container {
        box-shadow: none;
        border: 1px solid black;
    }
    
    .btn-primary {
        background: transparent;
        border: 2px solid black;
        color: black;
    }
}