/* EasyPack Factory Management System - Core Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #64748b;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --info: #06b6d4;
    --info-light: #ecfeff;
    
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --sidebar-bg: #0f172a;
    --sidebar-hover: #1e293b;
    --sidebar-active: #2563eb;
    --sidebar-text: #94a3b8;
    --sidebar-text-active: #ffffff;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 14px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --sidebar-width: 260px;
    --header-height: 64px;
    --font-family: 'Cairo', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 50;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    background-color: #0b1120;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
}

.brand-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 1.1rem;
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.menu-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    padding: 0.75rem 0.75rem 0.25rem;
    font-weight: 700;
}

/* Sidebar Nav Group with Smooth Hover Expand */
.sidebar-nav-group {
    list-style: none;
    margin-bottom: 0.35rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.25s ease;
}

.sidebar-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.85rem;
    color: #94a3b8;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    user-select: none;
}

.sidebar-group-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.sidebar-group-arrow {
    font-size: 0.65rem;
    transition: transform 0.25s ease;
    opacity: 0.5;
}

.sidebar-group-header:hover,
.sidebar-nav-group:hover .sidebar-group-header,
.sidebar-nav-group.active .sidebar-group-header {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.06);
}

.sidebar-nav-group:hover .sidebar-group-arrow,
.sidebar-nav-group.active .sidebar-group-arrow {
    transform: rotate(180deg);
    opacity: 1;
    color: #38bdf8;
}

.sidebar-group-items {
    list-style: none;
    padding: 0 0 0 0.5rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, transform 0.25s ease;
}

/* Open on hover or when group is active */
.sidebar-nav-group:hover .sidebar-group-items,
.sidebar-nav-group.active .sidebar-group-items {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}

.sidebar-group-items .menu-item a {
    padding: 0.5rem 0.85rem;
    font-size: 0.88rem;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.sidebar-group-items .menu-item a:hover {
    border-color: #38bdf8;
    background-color: var(--sidebar-hover);
}

.sidebar-group-items .menu-item.active a {
    border-color: #38bdf8;
    background-color: var(--sidebar-active);
    color: var(--sidebar-text-active);
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all 0.2s;
}

.menu-item a:hover {
    background-color: var(--sidebar-hover);
    color: #ffffff;
}

.menu-item.active a {
    background-color: var(--sidebar-active);
    color: var(--sidebar-text-active);
    font-weight: 600;
}

.menu-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

/* Main Content Area */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Header */
.app-header {
    height: var(--header-height);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 0.75rem;
    background-color: var(--bg-main);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.content-body {
    padding: 1.5rem;
    flex: 1;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #fafbfc;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.25rem;
}

/* Grid System */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-3 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .grid-cols-4, .grid-cols-2 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
}

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background-color: var(--primary-light); color: var(--primary); }
.stat-icon.success { background-color: var(--success-light); color: var(--success); }
.stat-icon.warning { background-color: var(--warning-light); color: var(--warning); }
.stat-icon.danger { background-color: var(--danger-light); color: var(--danger); }
.stat-icon.info { background-color: var(--info-light); color: var(--info); }

.stat-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.stat-value {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

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

.table th {
    background-color: #f8fafc;
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 0.82rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.table tr:hover td {
    background-color: #f8fafc;
}

/* Badges / Status */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-secondary { background: #f1f5f9; color: var(--secondary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.78rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}
.btn-primary:hover { background-color: var(--primary-hover); }

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}
.btn-success:hover { background-color: #059669; }

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}
.btn-danger:hover { background-color: #dc2626; }

.btn-warning {
    background-color: var(--warning);
    color: #ffffff;
}
.btn-warning:hover { background-color: #d97706; }

.btn-secondary {
    background-color: #f1f5f9;
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover { background-color: #e2e8f0; }

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}
.btn-outline:hover { background-color: #f8fafc; }

/* Forms */
.form-group {
    margin-bottom: 1.1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control, .form-select {
    width: 100%;
    padding: 0.55rem 0.85rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea.form-control {
    min-height: 85px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}

/* Flash Alerts */
.alert {
    padding: 0.85rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert-success { background-color: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-error, .alert-danger { background-color: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background-color: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(3px);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 550px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    animation: modalIn 0.2s ease-out;
}

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

.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.1rem;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    background-color: #fafbfc;
}

/* Print Specific Button */
.no-print {
    /* visible on screen */
}

@media print {
    .app-sidebar, .app-header, .no-print, .btn, .alert {
        display: none !important;
    }
    body, .app-main, .content-body {
        background: #ffffff !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
    }
}