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

/* Keyframes for smooth animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulseSoft {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* Page load animations */
.sidebar {
    animation: fadeInLeft 0.5s ease-out;
}

.header {
    animation: fadeInUp 0.5s ease-out;
}

.kpi-card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.kpi-card:nth-child(1) { animation-delay: 0.1s; }
.kpi-card:nth-child(2) { animation-delay: 0.2s; }
.kpi-card:nth-child(3) { animation-delay: 0.3s; }

.chart-card:nth-child(1) {
    animation: fadeInLeft 0.6s ease-out 0.3s backwards;
}

.chart-card:nth-child(2) {
    animation: fadeInRight 0.6s ease-out 0.4s backwards;
}

.table-container {
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

:root {
    --bg-primary: #f3f4f6;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
}

body.dark-mode {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --border-color: #374151;
    --success-bg: #064e3b;
    --success-text: #6ee7b7;
    --danger-bg: #7f1d1d;
    --danger-text: #fca5a5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 256px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item:hover {
    background-color: var(--bg-tertiary);
    transform: translateX(4px);
}

.nav-item svg {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item:hover svg {
    transform: scale(1.1);
}

.nav-item.active {
    background-color: var(--accent-color);
    color: white;
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.main-content {
    flex: 1;
    margin-left: 256px;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: var(--text-primary);
}

.menu-toggle:hover {
    background-color: var(--bg-tertiary);
}

.header-title {
    font-size: 20px;
    font-weight: 600;
}

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

.header-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: var(--text-primary);
    position: relative;
}

.header-btn:hover {
    background-color: var(--bg-tertiary);
}

.header-btn svg {
    width: 20px;
    height: 20px;
}

.notifications-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 320px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1000;
    transform-origin: top right;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.notifications-dropdown.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.notifications-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.notifications-list {
    max-height: 384px;
    overflow-y: auto;
}

.notification-item {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.notification-item:hover {
    background-color: var(--bg-tertiary);
}

.notification-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.notification-time {
    font-size: 14px;
    color: var(--text-secondary);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.content {
    padding: 24px;
    flex: 1;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.kpi-title {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.kpi-value-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.kpi-value {
    font-size: 30px;
    font-weight: 700;
}

.kpi-change {
    font-size: 14px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 9999px;
}

.kpi-change.positive {
    background-color: var(--success-bg);
    color: var(--success-text);
}

.kpi-change.negative {
    background-color: var(--danger-bg);
    color: var(--danger-text);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 24px;
}

.chart-card {
    background-color: var(--bg-secondary);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.chart-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.chart-container {
    height: 320px;
}

.products-header {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    width: 20px;
    height: 20px;
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 44px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 16px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
}

.table-container {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.table-wrapper {
    overflow-x: auto;
}

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

thead {
    background-color: var(--bg-tertiary);
}

th {
    padding: 12px 24px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease-out;
}

tbody tr:hover {
    background-color: var(--bg-tertiary);
}

tbody tr {
    animation: fadeInUp 0.3s ease-out backwards;
}

tbody tr:last-child {
    border-bottom: none;
}

td {
    padding: 16px 24px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.status-badge.active {
    background-color: var(--success-bg);
    color: var(--success-text);
}

.status-badge.inactive {
    background-color: var(--danger-bg);
    color: var(--danger-text);
}

.actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.action-btn:hover {
    background-color: var(--bg-tertiary);
    transform: scale(1.1);
}

.action-btn.edit {
    color: var(--accent-color);
}

.action-btn.delete {
    color: #ef4444;
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.pagination-btns {
    display: flex;
    gap: 8px;
}

.pagination-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: var(--text-primary);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn svg {
    width: 20px;
    height: 20px;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

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

.modal {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    width: 100%;
    max-width: 448px;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: var(--text-primary);
}

.modal-close:hover {
    background-color: var(--bg-tertiary);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 16px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.modal-footer {
    padding: 0 24px 24px;
    display: flex;
    gap: 12px;
}

.btn-secondary {
    flex: 1;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    filter: brightness(0.95);
}

.coming-soon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}

.coming-soon h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.coming-soon p {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }
}