/* ============================================
   CSS Variables - Design Tokens (iOS-inspired)
   ============================================ */
:root {
    /* iOS-inspired color palette */
    --color-primary: #007aff;
    --color-primary-dark: #0056b3;
    --color-primary-light: #4da3ff;
    --color-primary-ultra-light: rgba(0, 122, 255, 0.08);
    
    --color-success: #34c759;
    --color-success-dark: #248a3d;
    --color-success-light: #30d158;
    
    --color-warning: #ff9500;
    --color-warning-dark: #c93400;
    --color-warning-light: #ffb340;
    
    --color-danger: #ff3b30;
    --color-danger-dark: #d70015;
    --color-danger-light: #ff6961;
    
    --color-smart: #af52de;
    --color-smart-dark: #8944ab;
    
    --color-assente: #8e8e93;
    --color-assente-dark: #636366;
    
    /* iOS Neutrals */
    --color-bg: #f2f2f7;
    --color-bg-card: #ffffff;
    --color-bg-secondary: #e5e5ea;
    --color-bg-grouped: #f2f2f7;
    --color-text: #1c1c1e;
    --color-text-secondary: #3c3c43;
    --color-text-light: #8e8e93;
    --color-text-muted: #aeaeb2;
    --color-border: rgba(60, 60, 67, 0.12);
    --color-separator: rgba(60, 60, 67, 0.18);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.5rem;
    
    /* iOS Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* iOS Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    
    /* Typography - SF Pro inspired */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.47;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.01em;
}

/* ============================================
   App Container
   ============================================ */
.app-container {
    max-width: 560px;
    margin: 0 auto;
    padding: var(--spacing-md);
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0px));
    padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom, 0px));
}

/* ============================================
   Header - iOS Large Title style
   ============================================ */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0 var(--spacing-md);
    border-bottom: none;
}

.app-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* ============================================
   Buttons - iOS Style
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.3;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
    min-width: 44px;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.btn:active:not(:disabled) {
    transform: scale(0.97);
    opacity: 0.85;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

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

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text);
}
.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-border);
}

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

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

.btn-install {
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-sm);
    padding: 6px 14px;
    border-radius: var(--radius-full);
}
.btn-install:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

/* Navigation Buttons */
.btn-nav {
    background-color: var(--color-primary-ultra-light);
    color: var(--color-primary);
    border: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}
.btn-nav:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: white;
}

/* Action Buttons */
.btn-action {
    flex: 1;
    padding: 14px 8px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.btn-entrata {
    background: linear-gradient(145deg, #34c759, #30b350);
    color: white;
}
.btn-entrata:hover:not(:disabled) {
    background: linear-gradient(145deg, #30b350, #248a3d);
}

.btn-uscita {
    background: linear-gradient(145deg, #ff3b30, #e0342b);
    color: white;
}
.btn-uscita:hover:not(:disabled) {
    background: linear-gradient(145deg, #e0342b, #d70015);
}

.btn-smart {
    background: linear-gradient(145deg, #af52de, #9a42c8);
    color: white;
}
.btn-smart:hover:not(:disabled) {
    background: linear-gradient(145deg, #9a42c8, #8944ab);
}

.btn-assente {
    background: linear-gradient(145deg, #8e8e93, #7c7c82);
    color: white;
}
.btn-assente:hover:not(:disabled) {
    background: linear-gradient(145deg, #7c7c82, #636366);
}

/* Export Buttons */
.btn-export {
    background-color: var(--color-bg-card);
    color: var(--color-primary);
    border: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}
.btn-export:hover:not(:disabled) {
    background-color: var(--color-primary-ultra-light);
}

/* ============================================
   Week Navigation
   ============================================ */
.week-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.week-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.week-label {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.year-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

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

/* Week period indicator */
.week-period {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    letter-spacing: 0.01em;
    margin-top: 2px;
    text-align: center;
}

/* ============================================
   Action Buttons Section
   ============================================ */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

/* Add Entry Section - rimossa, ora si aggiunge toccando il giorno */

/* ============================================
   Week Days List - iOS grouped list
   ============================================ */
.week-days {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: var(--spacing-lg);
}

.day-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.day-card:active {
    transform: scale(0.99);
}

.day-card.is-today {
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ultra-light), var(--shadow-md);
}

.day-card.is-weekend {
    background-color: var(--color-bg);
    opacity: 0.6;
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: linear-gradient(180deg, rgba(0,0,0,0.015) 0%, rgba(0,0,0,0.03) 100%);
    border-bottom: 0.5px solid var(--color-separator);
}

.day-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.day-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-left: 6px;
}

.day-hours {
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
}

/* Day delta (extra/deficit minutes) */
.day-hours-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
}

.day-delta {
    font-size: var(--font-size-xs);
    font-weight: 700;
    line-height: 1;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
}

.delta-positive {
    color: var(--color-success-dark);
    background-color: rgba(52, 199, 89, 0.12);
}

.delta-negative {
    color: var(--color-danger);
    background-color: rgba(255, 59, 48, 0.1);
}

.delta-neutral {
    color: var(--color-text-muted);
    background: transparent;
}

.delta-in-progress {
    color: var(--color-text-muted);
    font-style: italic;
    font-weight: 400;
    font-family: var(--font-family);
}

.day-entries {
    padding: 6px 8px;
}

.day-entries.empty {
    padding: 16px;
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
}

.day-entries.empty.clickable {
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius-md);
    margin: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    -webkit-tap-highlight-color: transparent;
}

.day-entries.empty.clickable:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-ultra-light);
}

.day-entries.empty.clickable:focus {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

.day-entries .empty-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.day-entries .add-hint {
    color: var(--color-primary);
    font-style: normal;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.btn-add-more {
    display: block;
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    background: none;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-more:hover {
    background-color: var(--color-primary-ultra-light);
    border-color: var(--color-primary);
}

.day-entry-actions {
    padding: 8px 4px 2px;
}

.btn-add-next {
    width: 100%;
    min-height: 42px;
    border: 1px dashed var(--color-primary-light);
    border-radius: var(--radius-md);
    background: var(--color-primary-ultra-light);
    color: var(--color-primary-dark);
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.btn-add-next:hover {
    background: rgba(0, 122, 255, 0.12);
    border-color: var(--color-primary);
}

.btn-add-next:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

/* Entry Item */
.entry-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.entry-item:hover {
    background-color: var(--color-primary-ultra-light);
}

.entry-item:active {
    background-color: rgba(0, 122, 255, 0.12);
}

.entry-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.entry-time {
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    min-width: 48px;
    color: var(--color-text);
}

.entry-type {
    font-size: var(--font-size-xs);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.01em;
}

.entry-type.type-entrata {
    background-color: rgba(52, 199, 89, 0.12);
    color: var(--color-success-dark);
}

.entry-type.type-uscita {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--color-danger);
}

.entry-type.type-smart {
    background-color: rgba(175, 82, 222, 0.12);
    color: var(--color-smart-dark);
}

.entry-type.type-assente {
    background-color: rgba(142, 142, 147, 0.12);
    color: var(--color-assente-dark);
}

.entry-edit-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 4px 10px;
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-light);
    opacity: 0.55;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.entry-item:hover .entry-edit-btn {
    opacity: 1;
    color: var(--color-text-secondary);
    border-color: var(--color-separator);
    background: var(--color-bg-grouped);
}

.entry-edit-btn:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

.usage-guidance {
    margin: -4px 2px 14px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: var(--color-primary-ultra-light);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Friday exit hint */
.friday-exit-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin: 0;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.06), rgba(52, 199, 89, 0.06));
    border-top: 0.5px solid var(--color-separator);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.friday-hint-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.friday-hint-text {
    flex: 1;
}

.friday-hint-text strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ============================================
   Week Summary
   ============================================ */
.week-summary {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.summary-row:not(:last-child) {
    border-bottom: 0.5px solid var(--color-separator);
}

.summary-label {
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.summary-value {
    font-weight: 700;
    font-size: var(--font-size-lg);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.summary-balance .summary-label {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.summary-balance .summary-value {
    font-size: var(--font-size-xl);
}

.balance-positive {
    color: var(--color-success);
}

.balance-negative {
    color: var(--color-danger);
}

.balance-neutral {
    color: var(--color-text-light);
}

/* ============================================
   Export Buttons Section
   ============================================ */
.export-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Backup Status
   ============================================ */
.backup-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px;
    background-color: transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.backup-status.status-warning {
    background-color: rgba(255, 149, 0, 0.08);
    color: var(--color-warning-dark);
}

.backup-status.status-danger {
    background-color: rgba(255, 59, 48, 0.08);
    color: var(--color-danger);
}

/* ============================================
   Modal - iOS Sheet style
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal.is-open {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    max-height: 90dvh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-overflow-scrolling: touch;
}

    background: var(--color-text-muted);
    border-radius: var(--radius-full);
    margin: 8px auto 0;
    opacity: 0.4;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px 12px;
    border-bottom: 0.5px solid var(--color-separator);
}

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.modal-close {
    background: var(--color-bg-secondary);
    border: none;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.modal-close:hover {
    background: var(--color-border);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 20px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    border-top: 0.5px solid var(--color-separator);
    flex-wrap: wrap;
}

.modal-footer .btn-danger {
    margin-right: auto;
}

/* ============================================
   Forms - iOS style inputs
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 16px; /* Prevent iOS zoom */
    line-height: 1.4;
    color: var(--color-text);
    background-color: var(--color-bg-grouped);
    border: none;
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238e8e93' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-ultra-light), inset 0 0 0 1px var(--color-primary);
}

.form-group input:invalid {
    box-shadow: inset 0 0 0 1px var(--color-danger);
}

/* ============================================
   Old Weeks List (Clean Data Modal)
   ============================================ */
.old-weeks-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    background-color: var(--color-bg-grouped);
    border-radius: var(--radius-md);
}

.old-weeks-list li {
    padding: 6px 10px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.warning-text {
    color: var(--color-warning-dark);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* ============================================
   Toast Notification - iOS HUD style
   ============================================ */
.toast {
    position: fixed;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    padding: 12px 24px;
    background-color: rgba(28, 28, 30, 0.92);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    color: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
    z-index: 2000;
    opacity: 0;
    transition: transform var(--transition-spring), opacity var(--transition-base);
    max-width: calc(100% - 32px);
    text-align: center;
}

.toast.is-visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.toast-success {
    background-color: rgba(52, 199, 89, 0.92);
}

.toast.toast-error {
    background-color: rgba(255, 59, 48, 0.92);
}

.toast.toast-warning {
    background-color: rgba(255, 149, 0, 0.92);
}

/* ============================================
   Update Banner - PWA version update prompt
   ============================================ */
#update-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    animation: slideDownBanner 0.35s ease-out;
}

@keyframes slideDownBanner {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.update-banner-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    font-family: inherit;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.update-banner-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.update-banner-text strong {
    font-size: var(--font-size-base);
}

.update-banner-text span {
    font-size: var(--font-size-xs);
    opacity: 0.9;
}

.update-banner-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.update-btn-primary {
    background: white;
    color: #059669;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.update-btn-primary:disabled {
    opacity: 0.7;
    cursor: default;
}

.update-btn-dismiss {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-xs);
    cursor: pointer;
}

/* ============================================
   Responsive - Desktop
   ============================================ */
@media (min-width: 600px) {
    .app-container {
        padding: var(--spacing-xl);
    }
    
    .app-header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .action-buttons {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .week-days {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .day-card.full-width {
        grid-column: span 2;
    }
    
    .export-buttons {
        grid-template-columns: repeat(4, 1fr);
    }

    /* On desktop, modals are centered cards */
    .modal {
        align-items: center;
        padding: var(--spacing-md);
    }

    .modal-content {
        border-radius: var(--radius-xl);
        animation-name: modalSlideIn;
    }

    @keyframes modalSlideIn {
        from {
            transform: translateY(-20px) scale(0.97);
            opacity: 0;
        }
        to {
            transform: translateY(0) scale(1);
            opacity: 1;
        }
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .btn, .modal, .toast, .backup-status, .export-buttons,
    .install-banner, .app-footer {
        display: none !important;
    }
    
    .app-container {
        max-width: none;
        padding: 0;
    }
    
    .day-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--color-border);
    }
}

/* ============================================
   Accessibility - Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   PWA Install Banner
   ============================================ */
.install-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-md);
    padding-top: calc(var(--spacing-md) + env(safe-area-inset-top, 0px));
    z-index: 1001;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.install-banner-content {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.install-banner-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.install-banner-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.install-banner-text strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.install-banner-text span {
    font-size: var(--font-size-xs);
    opacity: 0.85;
}

.btn-install-banner {
    background: white;
    color: var(--color-primary);
    font-weight: 700;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
}

.btn-install-banner:hover {
    background: var(--color-bg);
    transform: scale(1.03);
}

.btn-install-close {
    background: transparent;
    color: white;
    font-size: 1.1rem;
    padding: 4px;
    min-width: auto;
    min-height: auto;
    opacity: 0.7;
}

.btn-install-close:hover {
    opacity: 1;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
}

/* iOS Install Instructions */
.ios-install-hint {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(28, 28, 30, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    color: white;
    padding: var(--spacing-lg);
    z-index: 1001;
    text-align: center;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ios-install-hint p {
    margin-bottom: var(--spacing-sm);
}

.ios-install-hint .ios-icon {
    font-size: 1.5rem;
    vertical-align: middle;
}

.ios-install-hint .btn-close-ios {
    background: rgba(255,255,255,0.15);
    color: white;
    margin-top: var(--spacing-md);
}

/* iOS Modal Instructions — Visual Install Guide */
.ios-install-modal {
    max-width: 380px;
}

.ios-instructions {
    text-align: left;
}

.ios-intro {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.ios-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: 16px;
    margin-bottom: 10px;
    background: var(--color-bg-grouped);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.ios-step-animated {
    animation: iosStepFadeIn 0.4s ease both;
}

@keyframes iosStepFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ios-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    flex-shrink: 0;
}

.ios-step-emoji {
    font-size: 1.5rem;
}

.ios-step-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

.ios-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.ios-step-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ios-step-text strong {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.ios-step-text span {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    line-height: 1.3;
}

.ios-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: 12px 14px;
    background: rgba(255, 149, 0, 0.08);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* App Footer */
.app-footer {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 0.5px solid var(--color-separator);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.install-help-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.install-help-link:hover {
    background: var(--color-primary);
    color: white;
}

.app-version {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Spazio per il banner quando visibile */
body.has-install-banner .app-container {
    margin-top: 80px;
}

@media (max-width: 480px) {
    .install-banner-content {
        flex-wrap: wrap;
    }
    
    .install-banner-text {
        flex: 1 1 calc(100% - 60px);
    }
    
    .btn-install-banner {
        flex: 1 1 100%;
        margin-top: var(--spacing-xs);
    }
    
    .btn-install-close {
        position: absolute;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .install-banner {
        position: relative;
    }
}