:root {
    /* Blues */
    --usmb-gradient-blue-start: #009FE3;
    --usmb-gradient-blue-end: #025A7A;
    --usmb-light-blue: #E2EEFB;
    --usmb-blue: #009FE3;
    --usmb-dark-blue: #025A7A;
    
    /* Red/Orange/Green/Black */
    --usmb-red: #FF0000;
    --usmb-orange: #FF8800;
    --usmb-green: #3FC57C;
    --usmb-black: #000000;
    
    /* Grays */
    --usmb-dark-grey: #6A6A6A;
    --usmb-light-grey: #E3E3E3;
    
    /* Light pastel colors */
    --usmb-light-red: #FFB7B7;
    --usmb-light-orange: #FFF8E5;
    --usmb-light-green: #E3FFF1;
    --usmb-white: #FFFFFF;

    --usmb-background-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

#wpbody-content {
    padding: 0px;
}

#wpcontent {
    padding: 0px;
}

#wpfooter {
    display: none;
}

.wrap {
    margin: 0px;
}

/* === Enhanced Navbar === */

.unifiedsmb-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--usmb-gradient-blue-start), var(--usmb-gradient-blue-end));
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

.unifiedsmb-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(50%, -50%);
}

.unifiedsmb-header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.unifiedsmb-logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.unifiedsmb-logo {
    height: 28px;
    vertical-align: middle;
    filter: brightness(0) invert(1);
}

.unifiedsmb-header h1 {
    margin: 0;
    padding: 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--usmb-white);
}

.unifiedsmb-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.unifiedsmb-header-action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.unifiedsmb-header-action-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--usmb-white);
    transform: translateY(-2px);
}

.unifiedsmb-header-action-icon .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.unifiedsmb-header-action-icon.active {
    color: var(--usmb-white);
    background: rgba(255, 255, 255, 0.2);
}

/* Hide header actions on small screens */
@media (max-width: 600px) {
    .unifiedsmb-header-actions {
        display: none;
    }
    
    .unifiedsmb-header {
        padding: 12px 16px;
    }
    
    .unifiedsmb-header h1 {
        font-size: 20px;
    }
}

/* === End navbar === */

.unifiedsmb-body {
    padding: 32px 24px;
    background: var(--usmb-background-gradient);
    min-height: calc(100vh - 100px);
}

.tab-content {
    padding-top: 10px;
}

.remove-button {
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
    color: #fff !important;
    padding: 10px;
}

.unifiedsmb-form-group {
    margin-bottom: 20px;
}

.unifiedsmb-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--usmb-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.unifiedsmb-table-header {
    background: var(--usmb-light-grey);
}

.unifiedsmb-table-header th {
    padding: 16px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--usmb-dark-grey);
    font-size: 14px;
    border: none;
}

.unifiedsmb-table th, .unifiedsmb-table td {
    padding: 12px;
    border: none;
}

.unifiedsmb-table-body tr:nth-child(odd) {
    background-color: var(--usmb-white);
}
  
.unifiedsmb-table-body tr:nth-child(even) {
    background-color: #FAFBFC;
}

.unifiedsmb-table-body tr:hover {
    background-color: rgba(0, 159, 227, 0.05);
}

.table-save-button-container {
    margin-top: 10px;
}

.unifiedsmb-settings-input-field {
    width: 200px;
}

.unifiedsmb-bold {
    font-weight: bold;
}

.unifiedsmb-pagination {
    display: flex;
    flex-direction: row;
}

.unifiedsmb-pagination > .page-item {
    margin-right: 5px;
}

/* Enhanced Notifications */
#unifiedsmb-notifications {
    background: var(--usmb-background-gradient);
}

.unifiedsmb-notification {
    margin: 20px 20px 0px 20px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--usmb-blue);
    background-color: var(--usmb-light-blue);
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.unifiedsmb-notification-success {
    border-left-color: var(--usmb-green);
    background-color: var(--usmb-light-green);
}

.unifiedsmb-notification-warning {
    border-left-color: var(--usmb-orange);
    background-color: var(--usmb-light-orange);
}

.unifiedsmb-notification-error {
    border-left-color: var(--usmb-red);
    background-color: var(--usmb-light-red);
}

.unifiedsmb-notification-icon {
    margin-right: 12px;
}

.unifiedsmb-notification-message {
    flex-grow: 1;
    font-weight: 500;
}

.unifiedsmb-notification-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--usmb-dark-grey);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.unifiedsmb-notification-close:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* === Enhanced Page intro === */
.unifiedsmb-page-intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--usmb-white), var(--usmb-light-blue));
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--usmb-border-grey);
}

.unifiedsmb-page-intro-content {
    flex: 1;
}

.unifiedsmb-page-intro h2 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--usmb-black);
    font-size: 24px;
    font-weight: 700;
}

.unifiedsmb-intro-text {
    color: var(--usmb-dark-grey);
    margin: 0;
    font-size: 16px;
    max-width: 700px;
}

.unifiedsmb-page-intro-action {
    margin-left: 24px;
}

/* === Enhanced Tab styles === */
.unifiedsmb-tabs {
    background-color: var(--usmb-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
    border: 1px solid var(--usmb-border-grey);
}

.unifiedsmb-tab-navigation {
    display: flex;
    border-bottom: 1px solid var(--usmb-light-grey);
    overflow-x: auto;
    padding: 0 16px;
}

.unifiedsmb-tab {
    padding: 20px 16px;
    margin-right: 8px;
    border-bottom: 3px solid transparent;
    color: var(--usmb-dark-grey);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.unifiedsmb-tab:hover {
    color: var(--usmb-blue);
    border-bottom-color: var(--usmb-light-blue);
}

.unifiedsmb-tab.active {
    color: var(--usmb-blue);
    border-bottom-color: var(--usmb-blue);
    background: linear-gradient(180deg, transparent, var(--usmb-light-blue));
}

.unifiedsmb-tab .dashicons {
    margin-right: 8px;
    font-size: 16px;
}

.unifiedsmb-tab-content {
    padding: 32px;
}

.unifiedsmb-tab-panel {
    display: none;
}

.unifiedsmb-tab-panel.active {
    display: block;
}

.unifiedsmb-tab-panel-header {
    margin-bottom: 32px;
}

.unifiedsmb-tab-panel-header h3 {
    margin: 0 0 8px 0;
    color: var(--usmb-black);
    font-size: 20px;
    font-weight: 700;
}

.unifiedsmb-tab-panel-header p {
    margin: 0;
    color: var(--usmb-dark-grey);
    font-size: 16px;
}

/* Enhanced Form Styles */
.unifiedsmb-form {
    margin-bottom: 32px;
}

.unifiedsmb-form-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--usmb-light-grey);
}

.unifiedsmb-form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.unifiedsmb-form-section h4 {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--usmb-black);
    font-size: 18px;
    font-weight: 700;
}

.unifiedsmb-form-section-description {
    margin: 0 0 20px 0;
    color: var(--usmb-dark-grey);
    font-size: 15px;
}

.unifiedsmb-form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -12px;
}

.unifiedsmb-form-field {
    flex: 1;
    min-width: 200px;
    padding: 0 12px;
    margin-bottom: 20px;
}

.unifiedsmb-form-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--usmb-black);
}

.unifiedsmb-form-field input[type="text"],
.unifiedsmb-form-field input[type="number"],
.unifiedsmb-form-field select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--usmb-light-grey);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.3s ease;
}

.unifiedsmb-form-field input[type="text"]:focus,
.unifiedsmb-form-field input[type="number"]:focus,
.unifiedsmb-form-field select:focus {
    border-color: var(--usmb-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 159, 227, 0.1);
}

@media (max-width: 782px) {
    .unifiedsmb-body {
        padding: 16px;
    }
    
    /* === Page intro === */
    .unifiedsmb-page-intro {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }
    
    .unifiedsmb-page-intro-action {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
    }
    
    .unifiedsmb-page-intro-action button {
        width: 100%;
    }

    /* === Tab styles === */
    .unifiedsmb-tab-navigation {
        flex-wrap: wrap;
    }
    
    .unifiedsmb-tab {
        flex: 1 0 auto;
        text-align: center;
        padding: 16px 12px;
    }
    
    .unifiedsmb-tab .dashicons {
        margin-right: 0;
        margin-bottom: 4px;
    }
    
    .unifiedsmb-tab-content {
        padding: 24px;
    }
}
@keyframes unifiedsmb-spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.unifiedsmb-spin {
    display: inline-block;
    animation: unifiedsmb-spin 1.5s linear infinite;
}