/* Custom Styles for Bulk Messaging Tool */

:root {
    --primary-yellow: #F7FF00;
    --dark-bg: #0A0A0A;
    --dark-navy: #0F1419;
    --card-dark: #1A1D23;
    --text-primary: #FFFFFF;
    --text-muted: #A0A0A0;
    --accent-green: #00FF85;
    --accent-purple: #9D4EDD;
    --border-subtle: rgba(255, 255, 255, 0.1);
    --hover-bg: rgba(247, 255, 0, 0.05);
}

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 2.5rem;
    font-weight: 900;
}

h2 {
    font-size: 2rem;
    font-weight: 800;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-primary);
    line-height: 1.7;
}

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

small {
    color: var(--text-muted);
}

/* Navigation Bar */
.navbar {
    background: rgba(10, 10, 10, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--primary-yellow) !important;
    letter-spacing: -0.02em;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--primary-yellow) !important;
}

.dropdown-menu {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 0.5rem;
}

.dropdown-item {
    color: var(--text-primary);
    border-radius: 8px;
    transition: background 0.2s;
}

.dropdown-item:hover {
    background: var(--hover-bg);
    color: var(--primary-yellow);
}

.dropdown-header {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.dropdown-divider {
    border-color: var(--border-subtle);
}

/* Stat Boxes */
.stat-box {
    padding: 1.25rem;
    background: var(--card-dark);
    color: white;
    border-radius: 12px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-subtle);
}

.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-yellow);
}

.stat-box h4 {
    margin: 0;
    font-weight: 900;
    font-size: 2rem;
}

.stat-box small {
    opacity: 0.8;
    font-weight: 500;
    color: var(--text-muted);
}

.stat-box.bg-primary {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, #FFB800 100%);
    color: var(--dark-bg);
}

.stat-box.bg-primary h4,
.stat-box.bg-primary small {
    color: var(--dark-bg);
}

.stat-box.bg-success {
    background: linear-gradient(135deg, var(--accent-green) 0%, #00CC6A 100%);
    color: var(--dark-bg);
}

.stat-box.bg-success h4,
.stat-box.bg-success small {
    color: var(--dark-bg);
}

.stat-box.bg-info {
    background: linear-gradient(135deg, #00D9FF 0%, #0099CC 100%);
    color: var(--dark-bg);
}

.stat-box.bg-info h4,
.stat-box.bg-info small {
    color: var(--dark-bg);
}

.stat-box.bg-warning {
    background: linear-gradient(135deg, #FFB800 0%, #FF8800 100%);
    color: var(--dark-bg);
}

.stat-box.bg-warning h4,
.stat-box.bg-warning small {
    color: var(--dark-bg);
}

.stat-box.bg-secondary {
    background: linear-gradient(135deg, var(--card-dark) 0%, #2A2D33 100%);
}

.success-rate-display {
    padding: 1.5rem;
    background: var(--card-dark);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.success-rate-display h5 {
    margin: 0 0 10px 0;
    color: var(--text-primary);
    font-weight: 700;
}

/* Cards */
.card {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.card-header {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 700;
    color: var(--text-primary);
    padding: 1.25rem 1.5rem;
}

.card-header h5,
.card-header h6 {
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    color: var(--text-primary);
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.65rem 1.5rem;
    transition: all 0.3s ease;
    border-width: 2px;
}

.btn-primary {
    background: var(--primary-yellow);
    color: var(--dark-bg);
    border-color: var(--primary-yellow);
}

.btn-primary:hover {
    background: #FFB800;
    border-color: #FFB800;
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(247, 255, 0, 0.3);
}

.btn-success {
    background: var(--accent-green);
    color: var(--dark-bg);
    border-color: var(--accent-green);
}

.btn-success:hover {
    background: #00CC6A;
    border-color: #00CC6A;
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-info {
    background: #00D9FF;
    color: var(--dark-bg);
    border-color: #00D9FF;
}

.btn-info:hover {
    background: #0099CC;
    border-color: #0099CC;
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-warning {
    background: #FFB800;
    color: var(--dark-bg);
    border-color: #FFB800;
}

.btn-warning:hover {
    background: #FF8800;
    border-color: #FF8800;
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--card-dark);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-yellow);
    color: var(--primary-yellow);
    transform: translateY(-2px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-yellow);
    border-color: var(--primary-yellow);
}

.btn-outline-primary:hover {
    background: var(--primary-yellow);
    border-color: var(--primary-yellow);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.btn-outline-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--primary-yellow);
    color: var(--primary-yellow);
    transform: translateY(-2px);
}

.btn-outline-success {
    background: transparent;
    color: var(--accent-green);
    border-color: var(--accent-green);
}

.btn-outline-success:hover {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-outline-warning {
    background: transparent;
    color: #FFB800;
    border-color: #FFB800;
}

.btn-outline-warning:hover {
    background: #FFB800;
    border-color: #FFB800;
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-outline-danger {
    background: transparent;
    color: #FF4444;
    border-color: #FF4444;
}

.btn-outline-danger:hover {
    background: #FF4444;
    border-color: #FF4444;
    color: white;
    transform: translateY(-2px);
}

.btn-danger {
    background: #FF4444;
    color: white;
    border-color: #FF4444;
}

.btn-danger:hover {
    background: #CC0000;
    border-color: #CC0000;
    color: white;
    transform: translateY(-2px);
}

/* Progress Bar */
.progress {
    height: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-yellow) 0%, var(--accent-green) 100%);
    border-radius: 8px;
}

/* Badges */
.badge {
    font-size: 0.75em;
    padding: 0.5em 0.85em;
    border-radius: 8px;
    font-weight: 600;
}

.badge.bg-primary {
    background: var(--primary-yellow) !important;
    color: var(--dark-bg) !important;
}

.badge.bg-success {
    background: var(--accent-green) !important;
    color: var(--dark-bg) !important;
}

.badge.bg-info {
    background: #00D9FF !important;
    color: var(--dark-bg) !important;
}

.badge.bg-warning {
    background: #FFB800 !important;
    color: var(--dark-bg) !important;
}

.badge.bg-danger {
    background: #FF4444 !important;
    color: white !important;
}

/* Modals */
.modal-content {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-subtle);
    background-color: rgba(255, 255, 255, 0.02);
    padding: 1.5rem;
}

.modal-header .modal-title {
    color: var(--text-primary);
    font-weight: 700;
}

.modal-header .btn-close {
    filter: invert(1);
    opacity: 0.7;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-subtle);
    padding: 1.5rem;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--border-subtle);
}

.nav-tabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--border-subtle);
}

.nav-tabs .nav-link.active {
    color: var(--primary-yellow);
    background-color: transparent;
    border-bottom-color: var(--primary-yellow);
}

/* Tables */
.table {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.table th {
    font-weight: 700;
    color: var(--text-primary);
    border-top: none;
    border-bottom: 2px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem 0.75rem;
}

.table td {
    vertical-align: middle;
    border-color: var(--border-subtle);
    padding: 0.875rem 0.75rem;
}

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

.table-responsive {
    border-radius: 12px;
}

/* Forms */
.form-control,
.form-select {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 0.65rem 1rem;
    transition: all 0.3s;
}

.form-control:focus,
.form-select:focus {
    background: rgba(247, 255, 0, 0.05);
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 0.2rem rgba(247, 255, 0, 0.15);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-check-input {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-subtle);
    width: 1.25rem;
    height: 1.25rem;
}

.form-check-input:checked {
    background-color: var(--primary-yellow);
    border-color: var(--primary-yellow);
}

.form-check-input:focus {
    border-color: var(--primary-yellow);
    box-shadow: 0 0 0 0.2rem rgba(247, 255, 0, 0.15);
}

.form-check-label {
    color: var(--text-primary);
    margin-left: 0.5rem;
}

.input-group-text {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-subtle);
    color: var(--text-primary);
}

/* Alerts */
.alert {
    border: 1px solid;
    border-radius: 12px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: rgba(0, 255, 133, 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.alert-info {
    background: rgba(0, 217, 255, 0.1);
    border-color: #00D9FF;
    color: #00D9FF;
}

.alert-warning {
    background: rgba(255, 184, 0, 0.1);
    border-color: #FFB800;
    color: #FFB800;
}

.alert-danger {
    background: rgba(255, 68, 68, 0.1);
    border-color: #FF4444;
    color: #FF4444;
}

.alert-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-subtle);
    color: var(--text-muted);
}

/* Text Colors */
.text-success {
    color: var(--accent-green) !important;
}

.text-info {
    color: #00D9FF !important;
}

.text-warning {
    color: #FFB800 !important;
}

.text-danger {
    color: #FF4444 !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-white {
    color: var(--text-primary) !important;
}

/* Spinner */
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    border-color: var(--primary-yellow);
    border-right-color: transparent;
}

/* QR Code */
#qr-code-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    padding: 2rem;
    background: var(--dark-bg);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

#qr-code-container img {
    max-width: 250px;
    border: 2px solid var(--primary-yellow);
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(247, 255, 0, 0.2);
}

.campaign-card {
    transition: transform 0.2s ease-in-out;
}

.campaign-card:hover {
    transform: translateY(-2px);
}

/* Campaign Status */
.campaign-status {
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.status-draft {
    background-color: rgba(160, 160, 160, 0.2);
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
}

.status-running {
    background-color: rgba(0, 217, 255, 0.2);
    color: #00D9FF;
    border: 1px solid #00D9FF;
}

.status-paused {
    background-color: rgba(255, 184, 0, 0.2);
    color: #FFB800;
    border: 1px solid #FFB800;
}

.status-completed {
    background-color: rgba(0, 255, 133, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.status-stopped {
    background-color: rgba(255, 68, 68, 0.2);
    color: #FF4444;
    border: 1px solid #FF4444;
}

.progress-container {
    position: relative;
    margin: 10px 0;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: #495057;
    z-index: 1;
}

.channel-badges {
    display: flex;
    gap: 5px;
}

.channel-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
}

.btn-group-sm > .btn, .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.775rem;
}

.error-item {
    padding: 8px 12px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin-bottom: 5px;
    font-size: 0.85rem;
}

.success-rate {
    font-weight: 600;
}

.success-rate.high {
    color: #28a745;
}

.success-rate.medium {
    color: #ffc107;
}

.success-rate.low {
    color: #dc3545;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
}

/* Links */
a {
    color: var(--primary-yellow);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #FFB800;
    text-decoration: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: rgba(247, 255, 0, 0.3);
    border-radius: 6px;
    border: 2px solid rgba(255, 255, 255, 0.02);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(247, 255, 0, 0.5);
}

/* Selection */
::selection {
    background: var(--primary-yellow);
    color: var(--dark-bg);
}

::-moz-selection {
    background: var(--primary-yellow);
    color: var(--dark-bg);
}

/* Loading Overlay */
.loading-overlay {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
}

.loading-content {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

/* Toast Container */
.toast-container .toast {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .col-md-3 {
        margin-bottom: 20px;
    }

    .modal-dialog {
        margin: 10px;
    }

    .table-responsive {
        font-size: 0.8rem;
    }

    .btn-group-sm > .btn, .btn-sm {
        padding: 0.125rem 0.25rem;
        font-size: 0.7rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* Contact List Selector Styles */
.contact-lists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.02);
}

.contact-list-item {
    background: var(--card-dark);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-list-item:hover {
    border-color: var(--primary-yellow);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.contact-list-item .form-check {
    margin: 0;
}

.contact-list-item .form-check-input {
    margin-top: 0.5rem;
}

.contact-list-item .form-check-label {
    cursor: pointer;
    padding: 1rem;
    display: block;
    width: 100%;
}

.contact-list-info .list-name {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-list-info .list-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.contact-list-info .contact-count {
    color: var(--primary-yellow);
    font-weight: 600;
}

.contact-list-info .upload-date {
    color: var(--text-muted);
}

.contact-list-info .list-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-style: italic;
    line-height: 1.5;
}

.contact-list-info .list-stats {
    font-size: 0.8rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.contact-lists-header h6 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.contact-lists-header small {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

/* Selected contact list highlighting */
.contact-list-item:has(.form-check-input:checked) {
    border-color: var(--primary-yellow);
    background-color: var(--hover-bg);
    box-shadow: 0 0 20px rgba(247, 255, 0, 0.2);
}

.contact-list-item:has(.form-check-input:checked) .list-name {
    color: var(--primary-yellow);
}

/* Empty state styling */
.contact-lists-selector .text-muted.text-center {
    padding: 2rem;
    border: 2px dashed var(--border-subtle);
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
}

/* Contact List Card Styles */
.contact-list-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-list-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-mini {
    padding: 1.25rem;
    border-radius: 12px;
    color: white;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.stat-mini:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.stat-mini h5 {
    margin: 0;
    font-weight: 900;
    font-size: 1.75rem;
}

.stat-mini small {
    font-size: 0.75rem;
    opacity: 0.85;
    font-weight: 600;
}

.stat-mini.bg-primary {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, #FFB800 100%);
    color: var(--dark-bg);
    border-color: var(--primary-yellow);
}

.stat-mini.bg-primary h5,
.stat-mini.bg-primary small {
    color: var(--dark-bg);
}

.stat-mini.bg-success {
    background: linear-gradient(135deg, var(--accent-green) 0%, #00CC6A 100%);
    color: var(--dark-bg);
    border-color: var(--accent-green);
}

.stat-mini.bg-success h5,
.stat-mini.bg-success small {
    color: var(--dark-bg);
}

.stat-mini.bg-info {
    background: linear-gradient(135deg, #00D9FF 0%, #0099CC 100%);
    color: var(--dark-bg);
    border-color: #00D9FF;
}

.stat-mini.bg-info h5,
.stat-mini.bg-info small {
    color: var(--dark-bg);
}

.stat-mini.bg-warning {
    background: linear-gradient(135deg, #FFB800 0%, #FF8800 100%);
    color: var(--dark-bg);
    border-color: #FFB800;
}

.stat-mini.bg-warning h5,
.stat-mini.bg-warning small {
    color: var(--dark-bg);
}

/* Contact tabs styling - already covered by general .nav-tabs above but adding specific overrides */
#contactTabs .nav-link {
    color: var(--text-muted);
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    padding: 1rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s;
}

#contactTabs .nav-link:hover {
    border-bottom-color: var(--border-subtle);
    background-color: transparent;
    color: var(--text-primary);
}

#contactTabs .nav-link.active {
    color: var(--primary-yellow);
    border-bottom-color: var(--primary-yellow);
    background-color: transparent;
    font-weight: 700;
}

/* Contact preview table styles */
#contact-preview-section .table-responsive {
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
}

#contact-preview-section .table th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 0.5rem;
}

#contact-preview-section .table td {
    padding: 0.5rem;
    vertical-align: middle;
}

#contact-preview-section .form-control-sm {
    font-size: 0.875rem;
    font-weight: 500;
}

#contact-preview-section .btn-sm {
    padding: 0.25rem 0.5rem;
}

#contact-preview-section small {
    font-size: 0.8rem;
}

/* Upload modal improvements */
.modal-xl .modal-body {
    max-height: 80vh;
    overflow-y: auto;
}

#upload-btn[style*="display: none"] + .alert {
    margin-top: 1rem;
}

/* Enhanced modal styling and z-index management */
.modal {
    z-index: 1055;
}

.modal-backdrop {
    z-index: 1050;
}

/* Ensure proper modal dialog centering */
.modal-dialog {
    margin: 1.75rem auto;
    max-height: calc(100% - 3.5rem);
}

.modal-content {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Loading state for modal buttons */
.btn[data-original-text] {
    min-width: 120px;
}

/* Enhanced alert positioning */
.alert.position-fixed {
    z-index: 9999;
    max-width: 400px;
    word-wrap: break-word;
}

/* Improved modal transition */
.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Better backdrop styling */
.modal-backdrop.show {
    opacity: 0.5;
}

/* Enhanced button loading state */
.btn .fa-spinner {
    animation: fa-spin 1s infinite linear;
}

/* Modal responsive improvements */
@media (max-width: 576px) {
    .modal-dialog {
        margin: 0.5rem;
        max-height: calc(100% - 1rem);
    }

    .alert.position-fixed {
        left: 10px;
        right: 10px;
        max-width: calc(100% - 20px);
    }
}