/* 
 * DnaMed Gym - Style CSS
 * Design ispirato a Dnamed.ch
 */

/* ===== VARIABLES ===== */
:root {
    /* Colori principali Dnamed */
    --primary-color: #00A19C;
    --primary-dark: #008c88;
    --primary-light: #33b3af;
    --secondary-color: #003E51;
    --accent-color: #FF6B35;
    
    /* Colori neutri */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Status colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--gray-900);
    background-color: var(--gray-50);
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #00354a;
    transform: translateY(-1px);
}

.btn-accent {
    background-color: var(--accent-color);
    color: var(--white);
}

.btn-accent:hover:not(:disabled) {
    background-color: #ff5721;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-danger {
    background-color: var(--error);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

.btn-success {
    background-color: var(--success);
    color: var(--white);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

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

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

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-700);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 161, 156, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

small {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--error);
}

.alert-warning {
    background-color: #FEF3C7;
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

/* ===== CARDS ===== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* ===== AUTH PAGES ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: var(--spacing-lg);
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-logo h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.auth-logo p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.demo-credentials {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    text-align: center;
}

/* ===== DASHBOARD LAYOUT ===== */
.dashboard {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    position: relative;
}

.sidebar {
    width: 260px;
    background-color: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    left: 0;
    top: 0;
    z-index: 1000;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.625rem var(--spacing-lg);
    color: var(--gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.nav-link:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.nav-link.active {
    background-color: rgba(0, 161, 156, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    border-right: 3px solid var(--primary-color);
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

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

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-900);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100vh;
}

.topbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-md);
    width: 100%;
}

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

.hamburger-btn {
    display: none;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--white);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: var(--spacing-md);
    color: var(--white);
    font-size: 2rem;
    line-height: 1;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.hamburger-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.hamburger-btn:active {
    transform: scale(0.95);
}

.topbar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
}

.topbar-logo {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-fast);
}

.topbar-logo:hover {
    transform: scale(1.05);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--white);
}

.content {
    flex: 1;
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background-color: rgba(0, 161, 156, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===== TABLE ===== */
.table-container {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background-color: var(--gray-50);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-200);
}

.table td {
    padding: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    white-space: nowrap;
}

.badge-primary {
    background-color: rgba(0, 161, 156, 0.1);
    color: var(--primary-dark);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #047857;
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #B45309;
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #B91C1C;
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: #1E40AF;
}

.badge-gray {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .hamburger-btn {
        display: flex !important;
    }

    .topbar {
        padding: var(--spacing-md) var(--spacing-md);
    }

    .topbar-logo {
        font-size: 1.75rem;
    }

    .topbar-title {
        font-size: 1.125rem;
    }

    .topbar-actions span {
        display: none;
    }

    .content {
        padding: var(--spacing-md);
    }

    .content h1 {
        font-size: 1.5rem !important;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        min-width: 600px;
    }

    .card {
        margin-bottom: var(--spacing-md);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    /* Mobile sidebar overlay */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    /* Fix for forms on mobile */
    .form-group {
        margin-bottom: var(--spacing-md);
    }

    input, select, textarea {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
}

/* ===== PWA INSTALL BANNER ===== */
.pwa-install-banner {
    position: fixed;
    bottom: -200px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: bottom var(--transition-base);
}

.pwa-install-banner.show {
    bottom: 0;
}

.pwa-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.pwa-banner-icon {
    font-size: 2.5rem;
}

.pwa-banner-text {
    flex: 1;
    min-width: 200px;
}

.pwa-banner-text strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.pwa-banner-text p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.9;
}

.pwa-banner-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .pwa-banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .pwa-banner-icon {
        font-size: 2rem;
    }
    
    .pwa-banner-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .pwa-banner-actions button {
        width: 100%;
    }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

.hidden { display: none; }