/* Minimalist, Flat & Linear Admin Dashboard Style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

:root {
    /* Theme Light Minimalist */
    --bg-primary: #fafafa;
    --bg-secondary: #f5f5f5;
    --card-bg: #ffffff;
    --card-border: #e0e0e0;
    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #888888;
    
    --brand-color: #000000;
    --brand-glow: rgba(0, 0, 0, 0.04);
    --brand-hover: #222222;
    --brand-glow-active: rgba(0, 0, 0, 0.08);
    
    --accent-color: #333333;
    --success-color: #2e7d32;
    --error-color: #c62828;
    
    --sidebar-width: 240px;
    --header-height: 64px;
    --glass-blur: 0px;

    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Theme Dark Minimalist */
        --bg-primary: #0a0a0a;
        --bg-secondary: #121212;
        --card-bg: #121212;
        --card-border: #2c2c2c;
        --text-primary: #f5f5f5;
        --text-secondary: #a0a0a0;
        --text-muted: #666666;
        
        --brand-color: #ffffff;
        --brand-glow: rgba(255, 255, 255, 0.05);
        --brand-hover: #e0e0e0;
        --brand-glow-active: rgba(255, 255, 255, 0.1);
        
        --accent-color: #cccccc;
        --success-color: #81c784;
        --error-color: #e57373;
    }
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 0px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* App Wrapper Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-logo {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 2px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.1s ease;
    cursor: pointer;
}

.sidebar-link:hover, .sidebar-link.active {
    background: var(--brand-glow);
    color: var(--text-primary);
    font-weight: 600;
    border-left: 2px solid var(--text-primary);
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
}

/* Main Content area */
.main-content, .main-wrapper {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header, .header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
}

/* User Info Sidebar Section */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--brand-glow-active, rgba(0,0,0,0.08));
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 2px;
    border: 1px solid var(--card-border);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.header-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.content-body {
    padding: 24px 32px;
    flex-grow: 1;
    max-width: 100%;
    width: 100%;
    margin: 0;
}

/* Cards (Flat, Linear, Sharp) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 2px;
    padding: 20px;
    box-shadow: none;
    margin-bottom: 20px;
}

/* Buttons (Linear, Sharp) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 2px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.1s ease;
    border: 1px solid var(--text-primary);
}

.btn-primary {
    background: var(--text-primary);
    color: var(--card-bg);
}
.btn-primary:hover {
    background: var(--brand-hover);
}

.btn-secondary {
    background: transparent;
    border-color: var(--card-border);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-danger {
    background: transparent;
    border-color: var(--error-color);
    color: var(--error-color);
}
.btn-danger:hover {
    background: var(--error-color);
    color: #ffffff;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 2px;
}

/* Inputs & Forms (Linear, Sharp) */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 2px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.1s ease;
}

.form-input:focus {
    border-color: var(--text-primary);
    background: var(--card-bg);
}

.form-select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 2px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

/* Tables (Sharp, Flat border collapse) */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--card-border);
}

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

.table th {
    padding: 12px 16px;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--card-border);
    background: var(--bg-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 14px 16px;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.table tr:hover td {
    background: var(--bg-secondary);
}

/* Badges (Sharp) */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid transparent;
}

.badge-admin {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--card-border);
}

.badge-user {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--card-border);
}

.badge-owner {
    background: var(--text-primary);
    color: var(--card-bg);
    border-color: var(--text-primary);
}

.badge-guest {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--card-border);
}

/* Modals (Sharp) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--text-primary);
    border-radius: 2px;
    width: 90%;
    max-width: 440px;
    padding: 24px;
    box-shadow: none;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-close {
    font-size: 1.25rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

/* Grid & Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-gap-12 {
    display: flex;
    gap: 12px;
}

/* File Manager Custom Styles */
.fm-container {
    margin-top: 10px;
}

.fm-sidebar {
    background: var(--bg-secondary) !important;
}

.file-list-item {
    border-radius: 2px !important;
    border-bottom: 1px solid var(--card-border) !important;
    transition: all 0.1s ease !important;
}

.file-list-item:hover {
    background: var(--bg-primary) !important;
}

.file-list-item.active {
    border-left: 3px solid var(--text-primary) !important;
    background: var(--bg-primary) !important;
}

/* Mobile Responsive Styling */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .sidebar {
        width: 240px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .main-content, .main-wrapper {
        margin-left: 0 !important;
        width: 100%;
    }

    .header {
        padding-left: 56px !important; /* Spazio per l'hamburger */
    }

    /* Pulsante Hamburger Mobile */
    .mobile-toggle-btn {
        display: block !important;
        position: fixed;
        top: 14px;
        left: 12px;
        z-index: 110;
        background: var(--bg-secondary);
        border: 1px solid var(--card-border);
        color: var(--text-primary);
        padding: 8px;
        font-size: 1.2rem;
        cursor: pointer;
        border-radius: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Overlay Scuro su Mobile */
    .sidebar-overlay-mobile {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.4);
        z-index: 95;
    }

    /* Stack orizzontale in verticale */
    .dashboard-grid, .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .fm-container {
        flex-direction: column !important;
    }

    .fm-sidebar {
        width: 100% !important;
        max-height: 350px;
    }

    .fm-content {
        width: 100% !important;
    }

    .flex-between {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }
}

/* Nascondi il pulsante hamburger di default su desktop */
.mobile-toggle-btn {
    display: none;
}