/* ============================================================
   SISTEMA SPEDIZIONI - CSS CON TEMA LIGHT/DARK
   ============================================================ */

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

/* ============================================================
   VARIABILI TEMA SCURO (Default)
   ============================================================ */
:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #e94560;
    --accent-hover: #ff6b6b;
    --accent-soft: rgba(233, 69, 96, 0.15);
    --success: #00d26a;
    --success-soft: rgba(0, 210, 106, 0.15);
    --warning: #ffc107;
    --warning-soft: rgba(255, 193, 7, 0.15);
    --danger: #dc3545;
    --danger-soft: rgba(220, 53, 69, 0.15);
    --info: #4ecdc4;
    --info-soft: rgba(78, 205, 196, 0.15);
    
    --bg-body: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-input: #16213e;
    --bg-hover: #252542;
    --bg-sidebar: #1a1a2e;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6c6c7c;
    --text-inverse: #1a1a2e;
    
    --border-color: #2a2a4a;
    --border-light: #3a3a5a;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(233, 69, 96, 0.3);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* ============================================================
   TEMA CHIARO
   ============================================================ */
[data-theme="light"] {
    --primary: #f8f9fc;
    --primary-light: #ffffff;
    --accent: #e94560;
    --accent-hover: #d63850;
    --accent-soft: rgba(233, 69, 96, 0.1);
    --success: #059669;
    --success-soft: rgba(5, 150, 105, 0.1);
    --warning: #d97706;
    --warning-soft: rgba(217, 119, 6, 0.1);
    --danger: #dc2626;
    --danger-soft: rgba(220, 38, 38, 0.1);
    --info: #0891b2;
    --info-soft: rgba(8, 145, 178, 0.1);
    
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --bg-hover: #f1f5f9;
    --bg-sidebar: #1e293b;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #cbd5e1;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 20px rgba(233, 69, 96, 0.15);
}

[data-theme="light"] .sidebar {
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --bg-input: #334155;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app-container { display: flex; min-height: 100vh; width: 100%; }

.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-normal);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.sidebar-nav { flex: 1; padding: var(--spacing-md); overflow-y: auto; }
.nav-section { margin-bottom: var(--spacing-lg); }
.nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}
.nav-link:hover { background: var(--bg-input); color: var(--text-primary); }
.nav-link.active { background: var(--accent); color: white; box-shadow: var(--shadow-glow); }
.nav-link i { font-size: 1.1rem; width: 24px; text-align: center; }

.sidebar-footer { padding: var(--spacing-md); border-top: 1px solid var(--border-color); }
.user-info { display: flex; align-items: center; gap: var(--spacing-md); padding: var(--spacing-sm); }
.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
}
.user-details { flex: 1; }
.user-name { font-weight: 500; font-size: 0.9rem; color: var(--text-primary); }
.user-role { font-size: 0.75rem; color: var(--text-muted); }

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
    min-height: 100vh;
    transition: margin var(--transition-normal);
    overflow-x: hidden;
    width: calc(100% - 260px);
}

.page-header { margin-bottom: var(--spacing-xl); }
.page-title { font-size: 1.75rem; font-weight: 700; margin-bottom: var(--spacing-xs); }
.page-subtitle { color: var(--text-secondary); }

/* ============================================================
   THEME TOGGLE
   ============================================================ */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-full);
    cursor: pointer;
    margin: var(--spacing-sm) var(--spacing-md);
    border: none;
    width: calc(100% - var(--spacing-lg));
}
.theme-toggle-track {
    width: 44px;
    height: 24px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    position: relative;
    transition: background var(--transition-fast);
}
.theme-toggle-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: white;
}
[data-theme="light"] .theme-toggle-thumb { transform: translateX(20px); }
.theme-toggle-label { font-size: 0.8rem; color: var(--text-secondary); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: background var(--transition-normal), border-color var(--transition-normal);
    overflow: hidden;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}
.card-title { font-size: 1.1rem; font-weight: 600; }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}
.stat-card.primary::before { background: var(--accent); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.info::before { background: var(--info); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}
.stat-card.primary .stat-icon { background: var(--accent-soft); color: var(--accent); }
.stat-card.success .stat-icon { background: var(--success-soft); color: var(--success); }
.stat-card.warning .stat-icon { background: var(--warning-soft); color: var(--warning); }
.stat-card.info .stat-icon { background: var(--info-soft); color: var(--info); }

.stat-content { flex: 1; }
.stat-value { font-size: 2rem; font-weight: 700; font-family: 'JetBrains Mono', monospace; margin-bottom: var(--spacing-xs); }
.stat-label { color: var(--text-secondary); font-size: 0.875rem; }

/* Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    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: var(--accent); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); box-shadow: var(--shadow-glow); }

.btn-secondary { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--border-light); }

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: #1a1a2e; }
.btn-info { background: var(--info); color: white; }
.btn-info:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-lg { padding: var(--spacing-md) var(--spacing-xl); font-size: 1rem; }
.btn-sm { padding: var(--spacing-xs) var(--spacing-md); font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-md); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: var(--spacing-lg); }
.form-label { display: block; margin-bottom: var(--spacing-sm); font-weight: 500; color: var(--text-secondary); font-size: 0.875rem; }
.form-control {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236c6c7c' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ============================================================
   TABLES - Responsive
   ============================================================ */
.table-container { 
    overflow-x: auto; 
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg); 
    border: 1px solid var(--border-color); 
}
table { width: 100%; border-collapse: collapse; }
th, td { 
    padding: var(--spacing-md); 
    text-align: left; 
    border-bottom: 1px solid var(--border-color); 
    white-space: nowrap;
}
th { 
    background: var(--bg-input); 
    font-weight: 600; 
    color: var(--text-secondary); 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 0.05em; 
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

/* Tooltip nativo con title */
td[title]:not([title=""]) {
    cursor: help;
}

/* Larghezze colonne */
.col-checkbox { width: 40px; }
.col-code { width: 140px; }
.col-ldv { width: 80px; }
.col-dest { width: auto; }
.col-city { width: 130px; }
.col-stato { width: 100px; }
.col-bancale { width: 110px; }
.col-date { width: 140px; }
.col-actions { width: 130px; text-align: right; }

tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--transition-fast); }
tbody tr:hover { background: var(--bg-hover); }

/* Tabella compatta su mobile */
@media (max-width: 768px) {
    th, td { padding: var(--spacing-sm); font-size: 0.85rem; }
}

@media (max-width: 480px) {
    th, td { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.75rem; }
}

/* Utility classes per tabelle */
.nowrap { white-space: nowrap !important; }
.col-date { white-space: nowrap; min-width: 130px; }
.col-actions { white-space: nowrap; text-align: right; }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-primary { background: var(--accent-soft); color: var(--accent); }
.badge-secondary { background: var(--bg-input); color: var(--text-secondary); }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--spacing-lg);
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-normal);
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal-lg { max-width: 900px; }

.modal-header { display: flex; justify-content: space-between; align-items: center; padding: var(--spacing-lg); border-bottom: 1px solid var(--border-color); }
.modal-header h3 { font-size: 1.1rem; font-weight: 600; }
.modal-body { padding: var(--spacing-lg); overflow-y: auto; max-height: calc(90vh - 140px); }
.modal-footer { padding: var(--spacing-lg); border-top: 1px solid var(--border-color); display: flex; gap: var(--spacing-md); justify-content: flex-end; }

/* ============================================================
   TOASTS
   ============================================================ */
.toast-container { position: fixed; bottom: var(--spacing-lg); right: var(--spacing-lg); z-index: 2000; display: flex; flex-direction: column; gap: var(--spacing-sm); }
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
    min-width: 300px;
}
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.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); }

/* ============================================================
   IMPORT COLUMN MAPPER
   ============================================================ */
.import-stepper { display: flex; justify-content: center; margin-bottom: var(--spacing-xl); gap: var(--spacing-sm); }
.stepper-item { display: flex; align-items: center; gap: var(--spacing-sm); padding: var(--spacing-sm) var(--spacing-md); color: var(--text-muted); }
.stepper-item::after { content: ''; width: 30px; height: 2px; background: var(--border-color); margin-left: var(--spacing-sm); }
.stepper-item:last-child::after { display: none; }
.stepper-item.active { color: var(--accent); }
.stepper-item.completed { color: var(--success); }

.stepper-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}
.stepper-item.active .stepper-number { background: var(--accent); border-color: var(--accent); color: white; }
.stepper-item.completed .stepper-number { background: var(--success); border-color: var(--success); color: white; }

.column-mapper { display: grid; grid-template-columns: 1fr 60px 1fr; gap: var(--spacing-md); align-items: start; }
.column-list { background: var(--bg-input); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--spacing-md); min-height: 400px; }
.column-list-title { font-weight: 600; margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-sm); border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: var(--spacing-sm); font-size: 0.9rem; }

.column-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: grab;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
}
.column-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.column-item.dragging { opacity: 0.5; cursor: grabbing; }
.column-item.used { opacity: 0.4; cursor: not-allowed; }
.column-item i { color: var(--text-muted); }
.column-item .preview { font-size: 0.7rem; color: var(--text-muted); margin-left: auto; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mapper-arrow { display: flex; flex-direction: column; align-items: center; justify-content: center; padding-top: 50px; color: var(--text-muted); }
.mapper-arrow i { font-size: 1.5rem; }

.field-slot {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    min-height: 50px;
    transition: all var(--transition-fast);
}
.field-slot.required { border-color: var(--warning); }
.field-slot.required .field-name::after { content: '*'; color: var(--warning); margin-left: 4px; }
.field-slot.has-mapping { border-style: solid; border-color: var(--success); background: var(--success-soft); }
.field-slot.drag-over { border-color: var(--accent); background: var(--accent-soft); transform: scale(1.02); }
.field-slot .field-name { font-weight: 500; flex: 1; font-size: 0.85rem; }
.field-slot .field-name small { color: var(--text-muted); font-weight: 400; display: block; font-size: 0.7rem; }
.field-slot .mapped-column {
    background: var(--success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}
.field-slot .remove-mapping { cursor: pointer; opacity: 0.7; }
.field-slot .remove-mapping:hover { opacity: 1; }

.preview-table-container { 
    max-height: 300px; 
    overflow: auto; 
    border: 1px solid var(--border-color); 
    border-radius: var(--radius-md); 
    margin-top: var(--spacing-lg);
    max-width: 100%;
}
.preview-table { font-size: 0.75rem; min-width: 800px; }
.preview-table th { position: sticky; top: 0; z-index: 1; font-size: 0.7rem; white-space: nowrap; }
.preview-table td { padding: var(--spacing-sm); max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: var(--accent-soft); }
.upload-zone input[type="file"] { display: none; }
.upload-icon { font-size: 4rem; color: var(--text-muted); margin-bottom: var(--spacing-md); transition: color var(--transition-normal); }
.upload-zone:hover .upload-icon, .upload-zone.dragover .upload-icon { color: var(--accent); }

/* ============================================================
   SCANNER
   ============================================================ */
#scanner-video { width: 100%; min-height: 300px; background: var(--bg-input); border-radius: var(--radius-lg); overflow: hidden; }
.scan-result-card { background: var(--bg-input); border-radius: var(--radius-lg); padding: var(--spacing-lg); margin-top: var(--spacing-lg); border: 2px solid transparent; transition: all var(--transition-normal); }
.scan-result-card.success { border-color: var(--success); }
.scan-result-card.error { border-color: var(--danger); }

.scan-history-item { display: flex; align-items: center; gap: var(--spacing-md); padding: var(--spacing-md); background: var(--bg-input); border-radius: var(--radius-md); margin-bottom: var(--spacing-sm); }
.scan-history-item .icon { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.scan-history-item.success .icon { background: var(--success-soft); color: var(--success); }
.scan-history-item.error .icon { background: var(--danger-soft); color: var(--danger); }

/* ============================================================
   BALLE
   ============================================================ */
.balle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--spacing-lg); }
.balla-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--info);
    transition: all var(--transition-normal);
}
.balla-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.balla-card.aperta { border-left-color: var(--success); }
.balla-card.chiusa { border-left-color: var(--text-muted); }
.balla-name { font-size: 1.1rem; font-weight: 600; font-family: 'JetBrains Mono', monospace; }

/* ============================================================
   LOGIN
   ============================================================ */
.login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--spacing-lg); background: linear-gradient(135deg, var(--bg-body) 0%, var(--primary) 100%); }
.login-card { width: 100%; max-width: 400px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: var(--spacing-xxl); box-shadow: var(--shadow-lg); }
.login-logo { text-align: center; margin-bottom: var(--spacing-xl); }
.login-logo .logo-icon { width: 80px; height: 80px; font-size: 2.5rem; margin: 0 auto var(--spacing-md); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert { padding: var(--spacing-md) var(--spacing-lg); border-radius: var(--radius-md); margin-bottom: var(--spacing-lg); display: flex; align-items: center; gap: var(--spacing-md); }
.alert-success { background: var(--success-soft); border: 1px solid var(--success); color: var(--success); }
.alert-danger { background: var(--danger-soft); border: 1px solid var(--danger); color: var(--danger); }
.alert-warning { background: var(--warning-soft); border: 1px solid var(--warning); color: var(--warning); }
.alert-info { background: var(--info-soft); border: 1px solid var(--info); color: var(--info); }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

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

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

.hidden { display: none !important; }
.code { font-family: 'JetBrains Mono', monospace; font-size: 0.85em; background: var(--bg-input); padding: 2px 6px; border-radius: var(--radius-sm); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
.mobile-menu-btn { display: none; position: fixed; top: var(--spacing-md); left: var(--spacing-md); z-index: 101; }

@media (max-width: 1200px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    .column-mapper { grid-template-columns: 1fr; }
    .mapper-arrow { transform: rotate(90deg); padding: var(--spacing-md) 0; }
    .actions-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); position: fixed; }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    
    .main-content { 
        margin-left: 0; 
        padding: var(--spacing-md); 
        padding-top: 70px;
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }
    
    .mobile-menu-btn { display: flex; }
    
    .stats-grid { 
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .page-title { font-size: 1.5rem; }
    .page-subtitle { font-size: 0.85rem; }
    
    .balle-grid { grid-template-columns: 1fr; }
    
    .stepper-item span:not(.stepper-number) { display: none; }
    
    .card { padding: var(--spacing-md); }
    
    .btn-lg { padding: var(--spacing-sm) var(--spacing-md); font-size: 0.9rem; }
}

@media (max-width: 480px) {
    .main-content {
        padding: var(--spacing-sm);
        padding-top: 60px;
        width: 100%;
    }
    
    .page-header {
        margin-bottom: var(--spacing-md);
    }
    
    .page-title { font-size: 1.25rem; }
    
    .stats-grid { 
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .stat-value {
        font-size: 1.25rem;
        margin-bottom: 0;
    }
    
    .stat-label {
        font-size: 0.65rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .table-container { font-size: 0.75rem; }
    th, td { padding: var(--spacing-xs) var(--spacing-sm); }
    
    .btn { padding: var(--spacing-xs) var(--spacing-sm); font-size: 0.8rem; }
    .btn-lg { padding: var(--spacing-sm) var(--spacing-md); font-size: 0.85rem; }
}

@media print {
    .sidebar, .no-print, .mobile-menu-btn { display: none !important; }
    .main-content { margin: 0; padding: 0; }
    body { background: white; color: black; }
}