/* Enterprise SaaS UI - Professional Design System */

:root {
    /* Primary Brand Colors - Vyora Blue */
    --primary-color: #0052CC;
    --primary-dark: #0747A6;
    --primary-light: #4C9AFF;
    --primary-gradient: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
    --secondary-color: #0747A6;
    
    /* Semantic Colors */
    --success-color: #00875A;
    --success-light: #E3FCEF;
    --danger-color: #DE350B;
    --danger-light: #FFEBE6;
    --warning-color: #FF8B00;
    --warning-light: #FFFAE6;
    --info-color: #0065FF;
    --info-light: #DEEBFF;
    
    /* Neutral Colors */
    --dark: #172B4D;
    --dark-secondary: #253858;
    --text-primary: #172B4D;
    --text-secondary: #5E6C84;
    --text-tertiary: #8993A4;
    
    /* Background Colors */
    --bg-primary: #FAFBFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F4F5F7;
    
    /* Border Colors */
    --border-color: #DFE1E6;
    --border-light: #EBECF0;
    --border-focus: #4C9AFF;
    
    /* Shadows - Subtle & Professional */
    --shadow-xs: 0 1px 2px 0 rgba(23, 43, 77, 0.06);
    --shadow-sm: 0 1px 3px 0 rgba(23, 43, 77, 0.08);
    --shadow-md: 0 4px 8px -2px rgba(23, 43, 77, 0.12);
    --shadow-lg: 0 8px 16px -4px rgba(23, 43, 77, 0.16);
    --shadow-xl: 0 16px 32px -8px rgba(23, 43, 77, 0.24);
    
    /* Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
}

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

html {
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Fira Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    width: 100%;
    left: 0;
    right: 0;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 64px;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    gap: var(--spacing-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-right: auto;
}

.nav-brand i {
    font-size: 24px;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-menu li {
    display: flex;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
}

.nav-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-menu a.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.nav-item-right {
    display: flex !important;
    align-items: center;
}

/* Admin Profile Dropdown */
.admin-profile {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.profile-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.profile-trigger:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.profile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.profile-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.profile-role {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.2;
}

.profile-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    z-index: 1001;
    display: none;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.profile-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-tertiary);
}

.profile-header .profile-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-header .profile-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.profile-header .profile-email {
    font-size: 13px;
    color: var(--text-secondary);
}

.profile-menu {
    list-style: none;
    padding: var(--spacing-xs) 0;
    margin: 0;
}

.profile-menu-item {
    display: block;
}

.profile-menu-item a,
.profile-menu-item button {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-fast);
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
}

.profile-menu-item a:hover,
.profile-menu-item button:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.profile-menu-item i {
    width: 20px;
    text-align: center;
    color: var(--text-secondary);
}

.profile-menu-item a:hover i,
.profile-menu-item button:hover i {
    color: var(--primary-color);
}

.profile-menu-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-xs) 0;
}

.profile-menu-item.logout a,
.profile-menu-item.logout button {
    color: var(--danger-color);
}

.profile-menu-item.logout a:hover,
.profile-menu-item.logout button:hover {
    background: var(--danger-light);
    color: var(--danger-color);
}

.profile-menu-item.logout i {
    color: var(--danger-color);
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    width: 100%;
    box-sizing: border-box;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    letter-spacing: -0.02em;
}

.page-header h1 i {
    color: var(--primary-color);
    font-size: 28px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: var(--spacing-xs);
    font-weight: 400;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.stat-card:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-family: inherit;
    white-space: nowrap;
    line-height: 1;
}

.btn:focus {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

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

.btn-secondary:hover {
    background: var(--border-light);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
    box-shadow: var(--shadow-xs);
}

.btn-danger:hover {
    background: #BF2600;
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

/* ===== CARDS ===== */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.action-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    text-align: center;
    box-shadow: var(--shadow-xs);
}

.action-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.action-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin: 0 auto var(--spacing-lg);
}

.action-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.action-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-size: 14px;
}

/* ===== SECTIONS ===== */
.recent-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xs);
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition-fast);
}

.view-all:hover {
    gap: var(--spacing-md);
    color: var(--primary-dark);
}

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
}

thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 14px;
}

tbody tr {
    transition: var(--transition-fast);
}

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

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

/* ===== BADGES ===== */
.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    line-height: 1;
}

.badge-active {
    background: var(--success-light);
    color: var(--success-color);
}

.badge-pending {
    background: var(--warning-light);
    color: var(--warning-color);
}

.badge-suspended, .badge-blocked {
    background: var(--danger-light);
    color: var(--danger-color);
}

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

/* ===== FILTERS ===== */
.filters-section {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
}

.search-box {
    flex: 1;
    min-width: 280px;
    position: relative;
}

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

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-fast);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(76, 154, 255, 0.1);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.filters-section select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    color: var(--text-primary);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%235E6C84' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
}

.filters-section select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(76, 154, 255, 0.1);
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(23, 43, 77, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-secondary);
    margin: 5% auto;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideDown 0.2s ease;
    box-shadow: var(--shadow-xl);
}

.modal-large {
    max-width: 900px;
}

@keyframes slideDown {
    from {
        transform: translateY(-32px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close {
    font-size: 24px;
    font-weight: 400;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.close:hover {
    color: var(--danger-color);
    background: var(--danger-light);
}

/* ===== FORMS ===== */
form {
    padding: var(--spacing-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-fast);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(76, 154, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 12px;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* ===== LOADING & EMPTY STATES ===== */
.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--primary-color);
    font-size: 14px;
}

.loading i {
    font-size: 32px;
    margin-bottom: var(--spacing-md);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.4;
    color: var(--text-tertiary);
}

.empty-state h3 {
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== ALERTS ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 14px;
    border-left: 3px solid;
}

.alert-success {
    background: var(--success-light);
    color: var(--success-color);
    border-color: var(--success-color);
}

.alert-error {
    background: var(--danger-light);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-info {
    background: var(--info-light);
    color: var(--info-color);
    border-color: var(--info-color);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

/* ===== DETAILS & REFERRALS ===== */
.details-card {
    padding: var(--spacing-xl);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.detail-item {
    margin-bottom: var(--spacing-lg);
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.referral-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xs);
    margin-bottom: var(--spacing-xl);
}

.referral-code-display {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.referral-code-display h3 {
    font-size: 14px;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    font-weight: 500;
}

.referral-code {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
}

.referral-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.referral-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.referral-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.referral-selector {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xs);
    margin-bottom: var(--spacing-xl);
}

/* ===== SHADOW UTILITIES ===== */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
        padding-bottom: 80px; /* Space for footer nav */
        background: var(--bg-primary);
        -webkit-tap-highlight-color: transparent;
        -webkit-font-smoothing: antialiased;
        touch-action: manipulation;
    }
    
    /* Hide copyright footer in mobile */
    footer, .footer {
        display: none !important;
    }
    
    /* Keep navbar at top for brand and profile - Native App Style */
    .navbar {
        position: sticky;
        top: 0;
        background: var(--bg-secondary);
        border-bottom: none;
        box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        z-index: 1000;
    }
    
    .nav-container {
        position: relative;
        padding: 1rem 1.25rem;
        height: 64px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Show brand in header - Native App Style */
    .nav-brand {
        display: flex;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: -0.3px;
    }
    
    .nav-brand i {
        font-size: 24px;
    }
    
    /* Container adjustments for native app feel */
    .container {
        padding: 1rem;
    }
    
    /* Hide main nav items from header */
    .nav-menu li:not(.nav-item-right) {
        display: none;
    }
    
    /* Keep profile in header on the right side - after brand */
    .nav-item-right {
        position: absolute !important;
        top: 50% !important;
        right: 1rem !important;
        transform: translateY(-50%) !important;
        display: flex !important;
        z-index: 1001 !important;
    }
    
    /* Create mobile footer navigation - Native App Style */
    .nav-menu {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 0.5px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        margin: 0;
        padding: 0.5rem 0 0.75rem;
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        z-index: 999;
    }
    
    /* Show only main nav items in footer */
    .nav-menu li:not(.nav-item-right) {
        display: flex;
        flex: 1;
        justify-content: center;
    }
    
    /* Native App Navigation Buttons */
    .nav-menu a {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0.6rem 0.5rem;
        gap: 0.35rem;
        font-size: 11px;
        font-weight: 600;
        min-height: 64px;
        min-width: 48px;
        text-align: center;
        border-radius: 12px;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
    }
    
    .nav-menu a i {
        font-size: 22px;
        margin: 0;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* Active state with native app indicator */
    .nav-menu a.active {
        color: var(--primary-color);
        background: rgba(0, 82, 204, 0.08);
    }
    
    .nav-menu a.active i {
        transform: scale(1.1);
    }
    
    /* Touch feedback - no background color */
    .nav-menu a:active {
        transform: scale(0.95);
        background: transparent;
    }
    
    /* Profile dropdown in header */
    .profile-dropdown-menu {
        top: 55px;
        right: 0;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        border: 0.5px solid rgba(0, 0, 0, 0.06);
    }
    
    /* Native App Page Header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }
    
    .page-header h1 {
        font-size: 24px;
        font-weight: 700;
        letter-spacing: -0.5px;
    }
    
    /* Native App Cards */
    .stats-grid,
    .action-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-card,
    .action-card {
        padding: var(--spacing-lg);
        border-radius: 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        border: 0.5px solid rgba(0, 0, 0, 0.04);
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .stat-card:active,
    .action-card:active {
        transform: scale(0.98);
    }
    
    .stat-icon {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }
    
    .stat-content h3 {
        font-size: 28px;
        font-weight: 700;
    }
    
    /* Native App Buttons */
    .btn {
        min-height: 48px;
        padding: 12px 20px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .btn:active {
        transform: scale(0.97);
    }
    
    .btn-primary {
        box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
    }
    
    /* Native App Forms */
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        min-height: 48px;
        padding: 12px 16px;
        font-size: 16px;
        border-radius: 12px;
        border: 1.5px solid var(--border-color);
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-width: 2px;
        transform: scale(1.01);
    }
    
    /* Native App Modals */
    .modal {
        padding: 0;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    .modal-content {
        width: 100%;
        margin: auto;
        max-height: 95vh;
        border-radius: 24px 24px 0 0;
        position: fixed;
        bottom: 0;
        box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
        animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    .modal-header {
        padding: var(--spacing-lg);
        border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
    }
    
    .modal-header h2 {
        font-size: 18px;
        font-weight: 700;
    }
    
    form {
        padding: var(--spacing-lg);
    }
    
    /* Native App Filters */
    .filters-section {
        flex-direction: column;
        border-radius: 16px;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        border: 0.5px solid rgba(0, 0, 0, 0.04);
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .search-box input {
        height: 48px;
        border-radius: 12px;
        font-size: 16px;
        padding-left: 44px;
    }
    
    .search-box i {
        font-size: 18px;
        left: 16px;
    }
    
    .filters-section select {
        width: 100%;
        height: 48px;
        border-radius: 12px;
        font-size: 16px;
        padding: 12px 16px;
    }
    
    /* Native App Tables */
    .table-container {
        border-radius: 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        border: 0.5px solid rgba(0, 0, 0, 0.04);
        overflow: hidden;
    }
    
    table {
        font-size: 14px;
    }
    
    th {
        padding: 12px 14px;
        font-size: 11px;
        font-weight: 700;
    }
    
    td {
        padding: 14px 14px;
    }
    
    /* Native App Sections */
    .recent-section {
        border-radius: 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        border: 0.5px solid rgba(0, 0, 0, 0.04);
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .referral-grid {
        grid-template-columns: 1fr;
    }
    
    /* Native App Lead Cards */
    .lead-card,
    .referral-card,
    .content-card {
        border-radius: 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        border: 0.5px solid rgba(0, 0, 0, 0.04);
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .lead-card:active,
    .referral-card:active,
    .content-card:active {
        transform: scale(0.98);
    }
    
    /* Native App Badge Styling */
    .badge {
        font-weight: 600;
        padding: 6px 12px;
        border-radius: 8px;
        font-size: 12px;
    }
    
    /* Native App Info Items */
    .info-item {
        font-size: 14px;
        padding: 0.5rem 0;
    }
    
    /* Smooth scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    body {
        padding-bottom: 75px; /* Space for compact footer */
        font-size: 14px;
    }
    
    /* Compact header - Native App Style */
    .nav-container {
        height: 56px;
        padding: 0 1rem;
    }
    
    .nav-brand {
        font-size: 18px;
        font-weight: 700;
    }
    
    .nav-brand i {
        font-size: 22px;
    }
    
    /* Main content */
    .container {
        padding: 0.875rem;
    }
    
    /* Compact footer navigation - Native App Style */
    .nav-menu {
        padding: 0.4rem 0 0.6rem;
    }
    
    .nav-menu a {
        font-size: 10px;
        padding: 0.5rem 0.3rem;
        min-height: 60px;
        gap: 0.3rem;
    }
    
    .nav-menu a i {
        font-size: 20px;
    }
    
    /* Compact profile in header on the right side */
    .nav-item-right {
        position: fixed !important;
        top: 0.7rem !important;
        right: 1rem !important;
        z-index: 1001 !important;
    }
    
    .profile-circle {
        width: 40px;
        height: 40px;
        font-size: 15px;
    }
    
    .profile-dropdown-menu {
        top: 52px;
    }
    
    /* Compact page elements */
    .page-header h1 {
        font-size: 22px;
        font-weight: 700;
    }
    
    .stat-card,
    .action-card {
        padding: 1rem;
        border-radius: 14px;
    }
    
    .stat-content h3 {
        font-size: 24px;
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
    
    .action-icon {
        width: 56px;
        height: 56px;
        font-size: 26px;
    }
    
    .action-card h3 {
        font-size: 17px;
    }
    
    /* Buttons */
    .btn {
        min-height: 46px;
        padding: 11px 18px;
        font-size: 15px;
    }
    
    /* Forms */
    .form-group input,
    .form-group textarea,
    .form-group select {
        min-height: 46px;
        padding: 11px 14px;
        border-radius: 11px;
    }
    
    /* Referral */
    .referral-code {
        font-size: 26px;
        letter-spacing: 3px;
    }
    
    /* Modal actions */
    .modal-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    /* Tables */
    table {
        font-size: 13px;
    }
    
    th {
        padding: 10px 12px;
        font-size: 10px;
    }
    
    td {
        padding: 12px 12px;
    }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }