/**
 * INFORec - Stylesheet principale
 * @author Infoset Srl
 */
:root {
    --color-bg-primary: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-bg-elevated: #30363d;
    --color-accent: #58a6ff;
    --color-accent-hover: #79b8ff;
    --color-accent-muted: #388bfd;
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-danger: #f85149;
    --color-text-primary: #f0f6fc;
    --color-text-secondary: #8b949e;
    --color-text-muted: #6e7681;
    --color-border: #30363d;
    --color-border-muted: #21262d;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
    --transition-fast: 150ms ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); background: var(--color-bg-primary); color: var(--color-text-primary); line-height: 1.6; }

.app-container { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: var(--color-bg-secondary); border-right: 1px solid var(--color-border); display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 100; }
.main-content { flex: 1; margin-left: 260px; padding: var(--space-xl); }

.sidebar-header { padding: var(--space-lg); border-bottom: 1px solid var(--color-border); }
.logo { display: flex; align-items: center; gap: var(--space-sm); text-decoration: none; color: var(--color-text-primary); }
.logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-muted)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; }
.logo-text { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; }
.logo-text span { color: var(--color-accent); }

.sidebar-nav { flex: 1; padding: var(--space-md); overflow-y: auto; }
.nav-section { margin-bottom: var(--space-lg); }
.nav-section-title { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); padding: var(--space-sm); }
.nav-item { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); color: var(--color-text-secondary); text-decoration: none; border-radius: var(--radius-md); transition: all var(--transition-fast); font-size: 0.9rem; margin-bottom: 2px; }
.nav-item:hover { background: var(--color-bg-tertiary); color: var(--color-text-primary); }
.nav-item.active { background: var(--color-accent); color: var(--color-bg-primary); font-weight: 500; }
.nav-item svg { width: 18px; height: 18px; }

.sidebar-footer { padding: var(--space-md); border-top: 1px solid var(--color-border); }
.user-info { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm); border-radius: var(--radius-md); background: var(--color-bg-tertiary); }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--color-accent); display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--color-bg-primary); }
.user-details { flex: 1; }
.user-name { font-size: 0.85rem; font-weight: 500; }
.user-role { font-size: 0.75rem; color: var(--color-text-muted); }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-xl); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--color-border); }
.page-title { font-size: 1.75rem; font-weight: 600; display: flex; align-items: center; gap: var(--space-sm); }
.page-title svg { color: var(--color-accent); }
.page-subtitle { color: var(--color-text-secondary); font-size: 0.9rem; margin-top: var(--space-xs); }

.card { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.card-header { padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }
.card-title { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: var(--space-sm); }
.card-body { padding: var(--space-lg); }
.card-footer { padding: var(--space-md) var(--space-lg); border-top: 1px solid var(--color-border); background: var(--color-bg-tertiary); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-md); margin-bottom: var(--space-xl); }
.stat-card { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-lg); display: flex; align-items: flex-start; gap: var(--space-md); transition: all var(--transition-fast); }
.stat-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.stat-icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.stat-icon.blue { background: rgba(88, 166, 255, 0.15); color: var(--color-accent); }
.stat-icon.green { background: rgba(63, 185, 80, 0.15); color: var(--color-success); }
.stat-icon.yellow { background: rgba(210, 153, 34, 0.15); color: var(--color-warning); }
.stat-icon.red { background: rgba(248, 81, 73, 0.15); color: var(--color-danger); }
.stat-value { font-size: 1.75rem; font-weight: 700; font-family: var(--font-mono); }
.stat-label { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: var(--space-xs); }

.filters-panel { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-lg); margin-bottom: var(--space-lg); }
.filters-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-md); }
.filter-group { display: flex; flex-direction: column; gap: var(--space-xs); }
.filter-label { font-size: 0.8rem; font-weight: 500; color: var(--color-text-secondary); text-transform: uppercase; }

input, select { font-family: inherit; font-size: 0.9rem; }
.form-control { width: 100%; padding: var(--space-sm) var(--space-md); background: var(--color-bg-tertiary); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text-primary); transition: all var(--transition-fast); }
.form-control:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15); }
.form-control::placeholder { color: var(--color-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='%238b949e' 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; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); 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; }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--color-accent); color: var(--color-bg-primary); }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-secondary { background: var(--color-bg-tertiary); color: var(--color-text-primary); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: var(--color-bg-elevated); }
.btn-ghost { background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover { background: var(--color-bg-tertiary); color: var(--color-text-primary); }
.btn-sm { padding: var(--space-xs) var(--space-sm); font-size: 0.8rem; }
.btn-lg { padding: var(--space-md) var(--space-lg); font-size: 1rem; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: 50%; }
.btn-group { display: flex; gap: var(--space-sm); }

.table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th { background: var(--color-bg-tertiary); padding: var(--space-md); text-align: left; font-weight: 600; font-size: 0.8rem; text-transform: uppercase; color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border); }
.data-table td { padding: var(--space-md); border-bottom: 1px solid var(--color-border-muted); vertical-align: middle; }
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:hover { background: var(--color-bg-tertiary); }
.data-table tbody tr:last-child td { border-bottom: none; }
.cell-datetime { font-family: var(--font-mono); font-size: 0.85rem; }
.cell-phone { font-family: var(--font-mono); font-weight: 500; }
.cell-duration { font-family: var(--font-mono); color: var(--color-text-secondary); }

.badge { display: inline-flex; align-items: center; padding: 2px 8px; font-size: 0.75rem; font-weight: 500; border-radius: 99px; }
.badge-inbound { background: rgba(63, 185, 80, 0.15); color: var(--color-success); }
.badge-outbound { background: rgba(88, 166, 255, 0.15); color: var(--color-accent); }
.badge-queue { background: rgba(210, 153, 34, 0.15); color: var(--color-warning); }

.audio-player { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); background: var(--color-bg-tertiary); border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.audio-player .play-btn { width: 44px; height: 44px; border-radius: 50%; background: var(--color-accent); border: none; color: var(--color-bg-primary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition-fast); }
.audio-player .play-btn:hover { background: var(--color-accent-hover); transform: scale(1.05); }
.audio-player .progress-container { flex: 1; display: flex; flex-direction: column; gap: var(--space-xs); }
.audio-player .progress-bar { height: 6px; background: var(--color-bg-elevated); border-radius: 3px; cursor: pointer; }
.audio-player .progress-fill { height: 100%; background: var(--color-accent); width: 0%; transition: width 100ms linear; }
.audio-player .time-display { display: flex; justify-content: space-between; font-size: 0.75rem; font-family: var(--font-mono); color: var(--color-text-muted); }
.audio-player .volume-slider { width: 80px; height: 4px; appearance: none; background: var(--color-bg-elevated); border-radius: 2px; }
.audio-player .volume-slider::-webkit-slider-thumb { appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--color-accent); }

.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-xs); margin-top: var(--space-lg); }
.pagination-btn { min-width: 36px; height: 36px; padding: 0 var(--space-sm); display: flex; align-items: center; justify-content: center; background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text-secondary); font-size: 0.85rem; cursor: pointer; text-decoration: none; transition: all var(--transition-fast); }
.pagination-btn:hover { background: var(--color-bg-tertiary); color: var(--color-text-primary); }
.pagination-btn.active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-bg-primary); }
.pagination-info { font-size: 0.85rem; color: var(--color-text-muted); margin: 0 var(--space-md); }

.empty-state { text-align: center; padding: var(--space-2xl); color: var(--color-text-muted); }
.empty-state svg { width: 64px; height: 64px; margin-bottom: var(--space-md); opacity: 0.5; }
.empty-state h3 { font-size: 1.1rem; color: var(--color-text-secondary); margin-bottom: var(--space-sm); }

.alert { padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md); margin-bottom: var(--space-md); display: flex; align-items: flex-start; gap: var(--space-sm); }
.alert svg { flex-shrink: 0; margin-top: 2px; }
.alert-info { background: rgba(88, 166, 255, 0.1); border: 1px solid rgba(88, 166, 255, 0.3); color: var(--color-accent); }
.alert-success { background: rgba(63, 185, 80, 0.1); border: 1px solid rgba(63, 185, 80, 0.3); color: var(--color-success); }
.alert-danger { background: rgba(248, 81, 73, 0.1); border: 1px solid rgba(248, 81, 73, 0.3); color: var(--color-danger); }

.login-container { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at top left, rgba(88, 166, 255, 0.1), transparent 50%), var(--color-bg-primary); }
.login-card { width: 100%; max-width: 400px; padding: var(--space-2xl); background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.login-logo { text-align: center; margin-bottom: var(--space-xl); }
.login-logo .logo-icon { width: 60px; height: 60px; margin: 0 auto var(--space-md); font-size: 1.5rem; }
.login-logo h1 { font-family: var(--font-mono); font-size: 1.75rem; }
.login-form .form-group { margin-bottom: var(--space-md); }
.login-form label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: var(--space-xs); color: var(--color-text-secondary); }
.login-form .form-control { padding: var(--space-md); }
.login-form .btn { width: 100%; padding: var(--space-md); margin-top: var(--space-md); }
.login-footer { text-align: center; margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); font-size: 0.8rem; color: var(--color-text-muted); }

.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }

@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .audio-player { left: 20px !important; }
}
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .filters-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; gap: var(--space-md); }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .main-content { padding: var(--space-md); }
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.modal-overlay.active {
    display: flex;
}
.modal {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}
.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}
.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    text-decoration: none;
}
.modal-close:hover {
    color: var(--color-text);
}
.modal-body {
    padding: 20px;
}
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
}