/* ============================================
   PROCUREMENT & INVENTORY SYSTEM
   Stylesheet (with Pro Mode & CSV Import)
   ============================================ */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --pro: #8b5cf6;
    --pro-light: #ede9fe;

    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-white: #ffffff;
    --bg-dark: #1e293b;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-pro: 0 0 15px rgba(139, 92, 246, 0.3);

    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 60px;

    --transition: all 0.2s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* Screen Management */
.screen { display: none; min-height: 100vh; }
.screen.active { display: block; }

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-icon {
    font-size: 56px;
    margin-bottom: 16px;
    animation: bounce 2s infinite;
}

.loading-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

.loading-content p {
    font-size: 14px;
    opacity: 0.9;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo i { font-size: 48px; color: var(--primary); margin-bottom: 12px; }
.login-logo h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.login-logo p { color: var(--text-secondary); font-size: 14px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 6px; }

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.role-selector { margin-bottom: 24px; }
.role-selector label { display: block; font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 10px; }

.role-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

.role-btn {
    padding: 12px 8px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.role-btn i { font-size: 20px; }
.role-btn:hover { border-color: var(--primary); color: var(--primary); }
.role-btn.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary { background: var(--primary); color: var(--text-white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--border-color); }
.btn-success { background: var(--success); color: var(--text-white); }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: var(--text-white); }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: var(--text-white); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

.login-footer { text-align: center; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-color); }
.login-footer p { font-size: 12px; color: var(--text-muted); }

/* ============================================
   APP LAYOUT
   ============================================ */
#app-screen { display: none; flex-direction: column; min-height: 100vh; }

/* Header */
.app-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-left { display: flex; align-items: center; gap: 16px; }

.menu-toggle {
    width: 36px; height: 36px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.menu-toggle:hover { background: var(--bg-secondary); color: var(--text-primary); }

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
}

.brand i { font-size: 24px; }

.header-right { display: flex; align-items: center; gap: 12px; }

/* Pro Badge in Header */
.pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    animation: proPulse 2s infinite;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}

@keyframes proPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(139, 92, 246, 0.4); }
    50% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.7); }
}

.notification-btn {
    position: relative;
    width: 40px; height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.notification-btn .badge {
    position: absolute;
    top: 4px; right: 4px;
    background: var(--danger);
    color: var(--text-white);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

.notifications-dropdown { position: relative; }

.notifications-panel {
    position: absolute;
    top: 50px; right: 0;
    width: 360px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    display: none;
    z-index: 200;
}

.notifications-panel.active { display: block; }

.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.notifications-header h3 { font-size: 16px; font-weight: 600; }
.notifications-header button { font-size: 12px; color: var(--primary); font-weight: 500; }

.notifications-list { max-height: 400px; overflow-y: auto; }

.notification-item {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.notification-item:hover { background: var(--bg-secondary); }
.notification-item.unread { background: var(--primary-light); }
.notification-item.unread:hover { background: #bfdbfe; }

.notification-item-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.notification-item-text { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.notification-item-time { font-size: 11px; color: var(--text-muted); }

.user-dropdown { position: relative; }

.user-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.user-btn:hover { background: var(--bg-secondary); }

.user-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.user-btn span { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.user-btn i { font-size: 12px; color: var(--text-muted); }

.user-menu {
    position: absolute;
    top: 50px; right: 0;
    width: 240px;
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    display: none;
    z-index: 200;
}

.user-menu.active { display: block; }

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}

.user-avatar-large {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
}

.user-menu-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.user-menu-role { font-size: 12px; color: var(--text-secondary); }

.user-menu-divider { height: 1px; background: var(--border-color); margin: 4px 0; }

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
}

.user-menu-item:hover { background: var(--bg-secondary); }
.user-menu-item i { width: 20px; color: var(--text-secondary); }
.user-menu-item.text-danger { color: var(--danger); }
.user-menu-item.text-danger i { color: var(--danger); }

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-white);
    border-right: 1px solid var(--border-color);
    z-index: 90;
    transition: var(--transition);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-nav { padding: 16px 12px; flex: 1; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
    position: relative;
}

.nav-item:hover { background: var(--bg-secondary); color: var(--text-primary); }
.nav-item.active { background: var(--primary-light); color: var(--primary); }
.nav-item i { width: 20px; text-align: center; font-size: 16px; }

.nav-item-pro {
    background: linear-gradient(90deg, var(--pro-light), transparent);
    border-left: 3px solid var(--pro);
}

.nav-item-pro:hover { background: linear-gradient(90deg, #ddd6fe, transparent); }

.nav-pro-label {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    background: linear-gradient(135deg, var(--pro), #a78bfa);
    color: white;
    border-radius: 4px;
}

.nav-divider { height: 1px; background: var(--border-color); margin: 12px 0; }

.sidebar.collapsed .nav-item span { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 12px; }
.sidebar.collapsed .nav-pro-label { display: none; }

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.pro-toggle-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.pro-toggle-card.active {
    border-color: var(--pro);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

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

.pro-toggle-info i {
    font-size: 18px;
    color: var(--pro);
}

.pro-toggle-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.pro-toggle-desc {
    font-size: 11px;
    color: var(--text-muted);
}

.app-version {
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--border-color);
    transition: .3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .toggle-slider { background-color: var(--primary); }
input:checked + .toggle-slider:before { transform: translateX(24px); }

.toggle-switch-sm { width: 40px; height: 22px; }
.toggle-switch-sm .toggle-slider:before { height: 16px; width: 16px; left: 3px; bottom: 3px; }
.toggle-switch-sm input:checked + .toggle-slider:before { transform: translateX(18px); }

/* Pro toggle special */
#pro-toggle-input:checked + .toggle-slider { background-color: var(--pro); }

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.sidebar.collapsed + .main-content { margin-left: var(--sidebar-collapsed); }

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); }
.page-header-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Cards */
.card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h2 { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.card-header h2 i { margin-right: 8px; color: var(--primary); }
.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--border-color); background: var(--bg-secondary); }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.stat-card-title { font-size: 13px; font-weight: 500; color: var(--text-secondary); }

.stat-card-icon {
    width: 40px; height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.stat-card-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-card-icon.green { background: var(--success-light); color: var(--success); }
.stat-card-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-card-icon.red { background: var(--danger-light); color: var(--danger); }
.stat-card-icon.purple { background: var(--pro-light); color: var(--pro); }

.stat-card-value { font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.stat-card-change { font-size: 12px; font-weight: 500; }
.stat-card-change.positive { color: var(--success); }
.stat-card-change.negative { color: var(--danger); }

/* Tables */
.table-container { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    white-space: nowrap;
}

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

.data-table tbody tr:hover { background: var(--bg-secondary); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-dot { width: 6px; height: 6px; border-radius: 50%; }

.badge-success { background: var(--success-light); color: var(--success); }
.badge-success .badge-dot { background: var(--success); }
.badge-warning { background: var(--warning-light); color: #92400e; }
.badge-warning .badge-dot { background: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-danger .badge-dot { background: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-info .badge-dot { background: var(--info); }
.badge-secondary { background: var(--bg-secondary); color: var(--text-secondary); }
.badge-secondary .badge-dot { background: var(--text-secondary); }
.badge-pro { background: var(--pro-light); color: var(--pro); font-weight: 700; }

/* Stock Level Indicators */
.stock-level { display: flex; align-items: center; gap: 8px; }

.stock-bar {
    width: 60px;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.stock-bar-fill { height: 100%; border-radius: 3px; transition: width 0.3s ease; }
.stock-bar-fill.high { background: var(--success); }
.stock-bar-fill.medium { background: var(--warning); }
.stock-bar-fill.low { background: var(--danger); }

.stock-text { font-size: 13px; font-weight: 500; }
.stock-text.high { color: var(--success); }
.stock-text.medium { color: var(--warning); }
.stock-text.low { color: var(--danger); }

/* Filters */
.filters-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.filter-select {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    background: var(--bg-white);
    cursor: pointer;
    min-width: 150px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.tab {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Settings Tabs */
.settings-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.settings-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-tab:hover { color: var(--text-primary); }
.settings-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.settings-tab i { font-size: 14px; }

/* Timeline */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item { position: relative; padding-bottom: 20px; }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
    position: absolute;
    left: -28px;
    top: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-dot.completed { background: var(--success); border-color: var(--success); }
.timeline-dot.completed::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 8px;
    color: var(--text-white);
}

.timeline-dot.current { background: var(--primary); border-color: var(--primary); animation: pulse 2s infinite; }

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(37, 99, 235, 0); }
}

.timeline-content { font-size: 14px; }
.timeline-title { font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.timeline-meta { font-size: 12px; color: var(--text-muted); }

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill { height: 100%; background: var(--primary); border-radius: 4px; transition: width 0.3s ease; }

/* Daily Count Form */
.daily-count-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 80px;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.daily-count-item:last-child { border-bottom: none; }

.daily-count-item-name { font-size: 14px; font-weight: 500; }
.daily-count-item-sku { font-size: 11px; color: var(--text-muted); }

.daily-count-item input[type="number"] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    text-align: center;
}

.daily-count-item input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.daily-count-status { text-align: center; font-size: 16px; }

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 300;
    display: none;
}

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

.modal {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 310;
    display: none;
    opacity: 0;
    transition: all 0.2s ease;
}

.modal.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.modal-large { max-width: 800px; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); }
.modal-header h2 i { margin-right: 8px; color: var(--primary); }
.modal-header h3 { font-size: 16px; font-weight: 600; color: var(--text-primary); }

.modal-close {
    width: 32px; height: 32px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover { background: var(--bg-secondary); color: var(--text-primary); }

.modal-body { padding: 24px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* PO Items in Modal */
.po-items-list { margin-bottom: 16px; }

.po-item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 40px;
    gap: 10px;
    align-items: center;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
}

.po-item-row-name { font-size: 13px; font-weight: 500; }
.po-item-row-qty { font-size: 13px; color: var(--text-secondary); }
.po-item-row-price { font-size: 13px; font-weight: 600; }
.po-item-row-attach { display: flex; align-items: center; }

.btn-attach {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-light);
    border: 1px solid var(--primary-light);
    transition: var(--transition);
    cursor: pointer;
}

.btn-attach:hover { background: var(--primary); color: var(--text-white); }

.attach-filename {
    font-size: 10px;
    color: var(--text-secondary);
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.po-item-row-remove { color: var(--danger); cursor: pointer; }

.po-item-search-results {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.po-search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.po-search-result-item:hover { background: var(--bg-secondary); }
.po-search-result-item:last-child { border-bottom: none; }

.po-search-result-info h4 { font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.po-search-result-info p { font-size: 12px; color: var(--text-muted); }

.po-search-result-stock { text-align: right; }
.po-search-result-stock .stock-label { font-size: 11px; color: var(--text-muted); }
.po-search-result-stock .stock-value { font-size: 14px; font-weight: 600; }

/* Approval PO Content */
.approval-item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

.approval-item-info h4 { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.approval-item-info .stock-info { font-size: 12px; color: var(--text-muted); }

.approval-item-input { text-align: center; }
.approval-item-input label { display: block; font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.approval-item-input input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    text-align: center;
}

/* Receive PO Content */
.receive-item-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 12px;
    align-items: center;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
}

/* File Upload Area */
.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.file-upload-area:hover { border-color: var(--primary); background: var(--primary-light); }
.file-upload-area i { font-size: 24px; color: var(--primary); }
.file-upload-area span { font-size: 13px; color: var(--text-secondary); }

/* CSV Upload Area */
.csv-upload-area { padding: 32px; }
.csv-upload-area i { font-size: 32px; color: var(--pro); }

/* Attachment Badges */
.attachment-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 500;
}

.attachment-badge-small {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    font-size: 11px;
    color: var(--primary);
}

/* CSV Mapping Styles */
.csv-mapping-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 80px;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 8px;
}

.csv-mapping-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 80px;
    gap: 12px;
    padding: 8px 16px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.csv-mapping-sample {
    font-size: 12px;
    color: var(--text-muted);
    font-family: monospace;
}

.csv-mapping-confidence {
    font-size: 12px;
    font-weight: 600;
}

.csv-mapping-confidence.high { color: var(--success); }
.csv-mapping-confidence.medium { color: var(--warning); }
.csv-mapping-confidence.low { color: var(--danger); }

/* CSV Preview Styles */
.csv-preview-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.csv-preview-stat {
    background: var(--bg-secondary);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    text-align: center;
}

.csv-preview-stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.csv-preview-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.csv-preview-stat.positive .csv-preview-stat-value { color: var(--success); }
.csv-preview-stat.negative .csv-preview-stat-value { color: var(--danger); }
.csv-preview-stat.neutral .csv-preview-stat-value { color: var(--primary); }

.csv-row-highlight {
    background: var(--warning-light) !important;
}

.csv-row-new {
    background: var(--success-light) !important;
}

/* Toasts */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.pro { border-left-color: var(--pro); }

.toast-icon { font-size: 20px; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.pro .toast-icon { color: var(--pro); }

.toast-content { flex: 1; }
.toast-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.toast-message { font-size: 13px; color: var(--text-secondary); }

.toast-close { color: var(--text-muted); transition: var(--transition); }
.toast-close:hover { color: var(--text-primary); }

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

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

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.alert-info { background: var(--info-light); border: 1px solid #93c5fd; color: #1e40af; }
.alert-success { background: var(--success-light); border: 1px solid #6ee7b7; color: #065f46; }
.alert-warning { background: var(--warning-light); border: 1px solid #fcd34d; color: #92400e; }
.alert-danger { background: var(--danger-light); border: 1px solid #fca5a5; color: #991b1b; }
.alert-pro { background: var(--pro-light); border: 1px solid #c4b5fd; color: #5b21b6; }

.alert-icon { font-size: 18px; margin-top: 2px; }
.alert-content { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 4px; }
.alert-text { font-size: 13px; }

/* Empty State */
.empty-state { text-align: center; padding: 48px 20px; }
.empty-state-icon { font-size: 48px; color: var(--text-muted); margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.quick-action-btn:hover { border-color: var(--primary); background: var(--primary-light); transform: translateY(-2px); }
.quick-action-btn i { font-size: 24px; color: var(--primary); }
.quick-action-btn span { font-size: 13px; font-weight: 500; color: var(--text-primary); }

/* Charts placeholder */
.chart-container {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    font-size: 14px;
}

/* Pro Feature Card */
.pro-feature-card {
    border: 2px dashed var(--pro);
    background: linear-gradient(135deg, var(--pro-light), var(--bg-white));
    border-radius: var(--border-radius-lg);
    padding: 32px;
    text-align: center;
}

.pro-feature-card i {
    font-size: 40px;
    color: var(--pro);
    margin-bottom: 12px;
}

.pro-feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--pro);
    margin-bottom: 8px;
}

.pro-feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar { width: var(--sidebar-collapsed); }
    .sidebar .nav-item span { display: none; }
    .sidebar .nav-item { justify-content: center; padding: 12px; }
    .sidebar .nav-pro-label { display: none; }
    .sidebar-footer { display: none; }
    .main-content { margin-left: var(--sidebar-collapsed); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .daily-count-item { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
    .daily-count-item-name { grid-column: 1 / -1; }
    .po-item-row { grid-template-columns: 2fr 1fr 1fr 1fr 40px; }
    .csv-mapping-row, .csv-mapping-header { grid-template-columns: 1fr 1fr; }
    .csv-mapping-header { display: none; }
}

@media (max-width: 576px) {
    .app-header { padding: 0 12px; }
    .brand span { display: none; }
    .user-btn span { display: none; }
    .main-content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .filters-bar { flex-direction: column; align-items: stretch; }
    .search-box { max-width: none; }
    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 10px 8px; }
    .modal { width: 95%; max-height: 95vh; }
    .login-card { padding: 24px; }
    .role-buttons { grid-template-columns: 1fr; }
    .role-btn { flex-direction: row; justify-content: center; }
    .daily-count-item { grid-template-columns: 1fr 1fr; }
    .approval-item-row, .receive-item-row, .po-item-row { grid-template-columns: 1fr; gap: 8px; }
    .file-upload-area { padding: 16px; }
    .csv-preview-summary { grid-template-columns: 1fr 1fr; }
}

/* Print styles */
@media print {
    .app-header, .sidebar, .page-header-actions, .btn { display: none !important; }
    .main-content { margin-left: 0; margin-top: 0; }
    .card { box-shadow: none; border: 1px solid #000; }
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }