/* ===========================
   Reset e Variabili
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --dark: #1f2937;
    --light: #f9fafb;
    --gray: #6b7280;
    --gray-light: #e5e7eb;
    --white: #ffffff;

    --protein-color: #ef4444;
    --carbs-color: #3b82f6;
    --fats-color: #f59e0b;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --transition: all 0.3s ease;
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* ===========================
   Layout
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Header
   =========================== */
header {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

header p {
    color: #d1d5db;
    font-size: 1.125rem;
}

header a {
    color: #93c5fd;
}

header a:hover {
    color: var(--white);
}

.language-selector {
    margin-top: 1rem;
}

.language-selector select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.language-selector select:hover {
    border-color: var(--primary-color);
}

/* ===========================
   Cards
   =========================== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card h2 {
    font-size: 1.875rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-color);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin: 1.5rem 0 1rem;
}

/* ===========================
   Forms
   =========================== */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: var(--white);
    box-shadow: var(--shadow);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* ===========================
   Results Section
   =========================== */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-header h2 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.hidden {
    display: none;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.result-card h3,
.result-card h4 {
    color: var(--gray);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.result-status {
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    margin-top: 0.5rem;
}

.result-status.underweight {
    background: #dbeafe;
    color: #1e40af;
}

.result-status.normal {
    background: #d1fae5;
    color: #065f46;
}

.result-status.overweight {
    background: #fed7aa;
    color: #92400e;
}

.result-status.obese {
    background: #fecaca;
    color: #991b1b;
}

.result-description {
    color: var(--gray);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* ===========================
   Heart Rate Zones
   =========================== */
.hr-zones {
    margin-top: 2rem;
}

.hr-zones h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.zone-card {
    background: var(--white);
    border-left: 4px solid;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.zone-card:hover {
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.zone-percentage {
    font-size: 0.875rem;
    color: var(--gray);
}

.zone-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.zone-description {
    font-size: 0.875rem;
    color: var(--gray);
}

.zone-recovery {
    border-left-color: #10b981;
}

.zone-recovery .zone-value {
    color: #10b981;
}

.zone-fat {
    border-left-color: #3b82f6;
}

.zone-fat .zone-value {
    color: #3b82f6;
}

.zone-aerobic {
    border-left-color: #f59e0b;
}

.zone-aerobic .zone-value {
    color: #f59e0b;
}

.zone-anaerobic {
    border-left-color: #ef4444;
}

.zone-anaerobic .zone-value {
    color: #ef4444;
}

.zone-max {
    border-left-color: #dc2626;
}

.zone-max .zone-value {
    color: #dc2626;
}

/* ===========================
   Macronutrienti
   =========================== */
.result-section {
    margin-top: 3rem;
}

.macros-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.macro-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 3px solid;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.macro-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.macro-card.protein {
    border-color: var(--protein-color);
}

.macro-card.carbs {
    border-color: var(--carbs-color);
}

.macro-card.fats {
    border-color: var(--fats-color);
}

.macro-card h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.macro-card.protein h4 {
    color: var(--protein-color);
}

.macro-card.carbs h4 {
    color: var(--carbs-color);
}

.macro-card.fats h4 {
    color: var(--fats-color);
}

.macro-value {
    margin-bottom: 0.5rem;
}

.macro-grams {
    font-size: 2.5rem;
    font-weight: 700;
}

.macro-card.protein .macro-grams {
    color: var(--protein-color);
}

.macro-card.carbs .macro-grams {
    color: var(--carbs-color);
}

.macro-card.fats .macro-grams {
    color: var(--fats-color);
}

.macro-unit {
    font-size: 1rem;
    color: var(--gray);
}

.macro-calories,
.macro-percentage {
    font-size: 1rem;
    color: var(--gray);
    margin-top: 0.25rem;
}

.macro-percentage {
    font-weight: 600;
    font-size: 1.125rem;
}

.macro-description {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--gray);
}

/* ===========================
   Nutrition Tips
   =========================== */
.tips-container {
    display: grid;
    gap: 1rem;
}

.tip-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.tip-card h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.tip-card p {
    color: var(--dark);
    line-height: 1.8;
}

.tip-card ul {
    margin-top: 0.5rem;
    margin-left: 1.5rem;
}

.tip-card li {
    margin-bottom: 0.5rem;
}

/* ===========================
   Workout Section
   =========================== */
.workout-selector {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.workout-day {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.workout-day h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.workout-day h4 {
    color: var(--dark);
    font-size: 1.125rem;
    margin: 1rem 0 0.5rem;
}

.exercise-item {
    background: var(--white);
    border-left: 3px solid var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
}

.exercise-item h5 {
    color: var(--dark);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.exercise-details {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--gray);
}

.exercise-details span {
    background: var(--light);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
}

/* ===========================
   Exercises Database
   =========================== */
.exercise-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.exercises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.exercise-card {
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.exercise-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.exercise-card h4 {
    color: var(--dark);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.exercise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.exercise-tag {
    background: var(--light);
    color: var(--gray);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.exercise-tag.category {
    background: #dbeafe;
    color: #1e40af;
}

.exercise-tag.equipment {
    background: #fef3c7;
    color: #92400e;
}

.exercise-tag.difficulty {
    background: #e0e7ff;
    color: #4338ca;
}

.exercise-description {
    color: var(--gray);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===========================
   Info Accordion
   =========================== */
.info-accordion {
    display: grid;
    gap: 1rem;
}

.info-item {
    background: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.info-header {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    padding: 1.25rem;
    cursor: pointer;
    font-size: 1.125rem;
    color: var(--dark);
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-header:hover {
    background: var(--light);
}

.info-header::after {
    content: '▼';
    font-size: 0.875rem;
    transition: var(--transition);
}

.info-item.active .info-header::after {
    transform: rotate(180deg);
}

.info-content {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.info-item.active .info-content {
    padding: 1.25rem;
    max-height: 1000px;
}

.info-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.info-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.info-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

/* ===========================
   Footer
   =========================== */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--gray-light);
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    color: var(--gray-light);
}

.footer-bottom a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.875rem;
    }

    header p {
        font-size: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1.5rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .macros-container {
        grid-template-columns: 1fr;
    }

    .exercise-filters {
        grid-template-columns: 1fr;
    }

    .exercises-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .result-value {
        font-size: 2rem;
    }

    .macro-grams {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .card h2 {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
    }
}

/* ===========================
   Print Styles
   =========================== */
@media print {
    body {
        background: white;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--gray-light);
        page-break-inside: avoid;
    }

    .btn {
        display: none;
    }

    .language-selector {
        display: none;
    }
}

/* ===========================
   Accessibility
   =========================== */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===========================
   Animations
   =========================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===========================
   Welcome Modal
   =========================== */
.modal-overlay {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-welcome {
    background: var(--white);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideInDown 0.4s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-welcome-header {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: var(--white);
    padding: 2rem;
    border-radius: 16px 16px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-welcome-header h2 {
    margin: 0;
    font-size: 2rem;
}

.modal-close {
    cursor: pointer;
    font-size: 2.5rem;
    line-height: 1;
    color: var(--white);
    transition: var(--transition);
    opacity: 0.8;
}

.modal-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

.modal-welcome-content {
    padding: 2rem;
}

.modal-welcome-content > p:first-child {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark);
}

.welcome-feature {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.welcome-feature:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.welcome-feature h3 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin: 0 0 0.5rem 0;
}

.welcome-feature p {
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.welcome-cta {
    text-align: center;
    margin: 2rem 0 1.5rem;
}

.welcome-cta .btn {
    font-size: 1.25rem;
    padding: 1rem 2.5rem;
}

.welcome-footer {
    border-top: 2px solid var(--gray-light);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--gray);
}

.welcome-footer p {
    margin: 0.5rem 0;
    font-size: 0.9375rem;
}

.welcome-footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.welcome-footer a:hover {
    text-decoration: underline;
}

/* Responsive modal */
@media (max-width: 768px) {
    .modal-welcome {
        margin: 10px;
        max-height: 95vh;
    }

    .modal-welcome-header {
        padding: 1.5rem;
    }

    .modal-welcome-header h2 {
        font-size: 1.5rem;
    }

    .modal-welcome-content {
        padding: 1.5rem;
    }

    .welcome-feature {
        padding: 1rem;
    }

    .welcome-feature h3 {
        font-size: 1rem;
    }

    .welcome-cta .btn {
        width: 100%;
        font-size: 1.125rem;
    }
}

/* ===========================
   Authentication Bar
   =========================== */
.auth-bar {
    background: linear-gradient(135deg, #1f2937, #374151);
    color: var(--white);
    padding: 0.75rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.auth-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-photo-small {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--white);
}

.user-status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.user-status-badge.status-admin {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.user-status-badge.status-trial {
    background: #dbeafe;
    color: #1e40af;
}

.user-status-badge.status-active {
    background: #d1fae5;
    color: #065f46;
}

.user-status-badge.status-expired {
    background: #fecaca;
    color: #991b1b;
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-auth {
    padding: 0.5rem 1.25rem;
    font-size: 0.9375rem;
    background: var(--white);
    color: var(--dark);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-admin {
    padding: 0.5rem 1.25rem;
    font-size: 0.9375rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    border-radius: 20px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.btn-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

/* ===========================
   Access Denied Overlay
   =========================== */
.access-overlay {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.access-message {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.access-message h2 {
    color: var(--danger-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.access-message p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--dark);
}

.payment-info {
    text-align: left;
}

.payment-info code {
    font-family: 'Courier New', monospace;
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .auth-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .user-info {
        flex-direction: column;
    }

    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-auth,
    .btn-admin {
        width: 100%;
    }

    .access-message {
        padding: 2rem 1.5rem;
    }

    .access-message h2 {
        font-size: 1.5rem;
    }
}
