/* Admin Panel Styles */
:root {
    --primary-color: #0066cc;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #ddd;
    --bg-light: #f8f9fa;
}

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

body {
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background: #fff;
}

/* Login Screen */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-light);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    width: 80px;
    height: auto;
    margin-bottom: 20px;
}

.login-box h1 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 30px;
    font-size: 32px;
}

.login-box input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Ubuntu', sans-serif;
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.login-box button:hover {
    background: #0052a3;
}

.login-info {
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
}

/* Admin Dashboard */
.admin-dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: #fff;
    color: #333;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid #ddd;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #ddd;
    text-align: center;
}

.sidebar-logo {
    width: 100px;
    height: auto;
    margin-bottom: 10px;
}

.sidebar-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    color: #333;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-btn {
    width: 100%;
    padding: 15px 25px;
    background: none;
    border: none;
    color: #666;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 15px;
    font-family: 'Ubuntu', sans-serif;
}

.nav-btn:hover {
    background: #f5f5f5;
    color: #333;
}

.nav-btn.active {
    background: #0066cc;
    color: white;
}

.logout-btn {
    padding: 15px 25px;
    background: #fff;
    border: none;
    border-top: 1px solid #ddd;
    color: var(--danger-color);
    cursor: pointer;
    transition: background 0.3s;
    font-family: 'Ubuntu', sans-serif;
}

.logout-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 30px;
    background: #fff;
    min-height: 100vh;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
}

/* Buttons */
.btn-primary {
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
    font-family: 'Ubuntu', sans-serif;
}

.btn-primary:hover {
    background: #0052a3;
}

.btn-secondary {
    padding: 10px 20px;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
    font-family: 'Ubuntu', sans-serif;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    padding: 8px 16px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.3s;
    font-family: 'Ubuntu', sans-serif;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-edit {
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    margin-right: 8px;
    transition: background 0.3s;
    font-family: 'Ubuntu', sans-serif;
}

.btn-edit:hover {
    background: #0052a3;
}

/* Invite Button */
.btn-invite {
    padding: 6px 10px;
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 8px;
    transition: all 0.2s ease;
}

.btn-invite:hover {
    background: #2e7d32;
    color: white;
    border-color: #2e7d32;
}

.btn-invite i {
    font-size: 16px;
}

/* Verified Badge */
.verified-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #0d6efd;
    font-size: 20px;
}

.verified-badge i {
    color: #0d6efd;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

thead {
    background: var(--bg-light);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 15px;
    border-top: 1px solid var(--border-color);
}

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

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 8px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

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

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
}

.close-modal {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-dark);
}

/* Forms */
form {
    padding: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: 'Ubuntu', sans-serif;
}

.form-group textarea {
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 12px;
}

.form-group input[type="checkbox"] {
    margin-right: 8px;
}

/* Checkbox label with icon */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label i {
    color: #0066cc;
    font-size: 16px;
}

/* Date Selection Styling */
.date-selection {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.date-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
}

.date-option input[type="radio"] {
    margin: 0;
}

.date-option input[type="date"] {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    margin-left: 8px;
}

.date-option input[type="date"]:disabled {
    background: #f0f0f0;
    cursor: not-allowed;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: auto;
        z-index: 1000;
        border-right: none;
        border-bottom: 1px solid #ddd;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 15px;
    }
    
    .sidebar-header h2 {
        font-size: 16px;
    }
    
    .sidebar-logo {
        width: 60px;
        margin-bottom: 0;
    }
    
    .sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        padding: 5px 10px 10px;
        gap: 5px;
    }
    
    .nav-btn {
        flex: 1;
        min-width: calc(33% - 5px);
        padding: 8px 10px;
        text-align: center;
        font-size: 12px;
        border-radius: 4px;
        border: 1px solid #ddd;
    }
    
    .nav-btn.active {
        border-color: var(--primary-color);
    }
    
    .logout-btn {
        position: absolute;
        top: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 12px;
        border: 1px solid var(--danger-color);
        border-radius: 4px;
        background: #fff;
    }

    .main-content {
        margin-left: 0;
        margin-top: 140px;
        padding: 15px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .section-header h1 {
        font-size: 24px;
    }
    
    .btn-primary {
        width: 100%;
    }
    
    /* Table responsive */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
    }
    
    th, td {
        padding: 10px 8px;
        font-size: 13px;
    }
    
    .btn-edit, .btn-danger {
        padding: 5px 8px;
        font-size: 11px;
    }
    
    /* Modal responsive */
    .modal-content {
        width: 95%;
        max-width: none;
        margin: 10px;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .modal-content.modal-large {
        width: 95%;
    }
    
    .modal-header {
        padding: 15px;
        position: sticky;
        top: 0;
        background: #fff;
        z-index: 10;
    }
    
    .modal-header h2 {
        font-size: 20px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
        padding: 15px;
        position: sticky;
        bottom: 0;
        background: #fff;
        border-top: 1px solid #eee;
        margin: 0 -20px -20px;
    }
    
    .form-actions button {
        width: 100%;
    }
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Rich Text Editor */
.editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    padding: 8px;
    background: #f5f5f5;
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    align-items: center;
}

.toolbar-group {
    display: flex;
    gap: 2px;
    align-items: center;
}

.toolbar-separator {
    width: 1px;
    height: 24px;
    background: #ddd;
    margin: 0 5px;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    color: #333;
    font-size: 14px;
    transition: all 0.2s;
}

.toolbar-btn:hover {
    background: #e9e9e9;
    border-color: #ccc;
}

.toolbar-btn:active,
.toolbar-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.toolbar-select {
    height: 32px;
    padding: 0 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    font-size: 12px;
    font-family: 'Ubuntu', sans-serif;
    cursor: pointer;
}

.toolbar-select:hover {
    border-color: #ccc;
}

.toolbar-color {
    width: 32px;
    height: 32px;
    padding: 2px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    background: #fff;
}

.toolbar-color:hover {
    border-color: #ccc;
}

.content-editor {
    min-height: 400px;
    max-height: 600px;
    overflow-y: auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
    background: #fff;
    font-family: 'Georgia', serif;
    font-size: 16px;
    line-height: 1.8;
}

.content-editor:focus {
    outline: none;
    border-color: var(--primary-color);
}

.content-editor p {
    margin-bottom: 1em;
}

.content-editor h1,
.content-editor h2,
.content-editor h3,
.content-editor h4 {
    font-family: 'Playfair Display', serif;
    margin: 1em 0 0.5em;
}

.content-editor img {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border-radius: 4px;
}

.content-editor blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
    margin: 1em 0;
    color: #666;
    font-style: italic;
}

.content-editor a {
    color: var(--primary-color);
}

.content-editor ul,
.content-editor ol {
    margin: 1em 0;
    padding-left: 2em;
}

.content-html-view {
    min-height: 400px;
    max-height: 600px;
    width: 100%;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
}

/* Mobile responsive for toolbar */
@media (max-width: 768px) {
    .editor-toolbar {
        gap: 3px;
        padding: 5px;
    }
    
    .toolbar-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .toolbar-select {
        height: 28px;
        font-size: 11px;
        padding: 0 4px;
        max-width: 70px;
    }
    
    .toolbar-separator {
        display: none;
    }
    
    .toolbar-color {
        width: 28px;
        height: 28px;
    }
    
    .content-editor {
        min-height: 250px;
        max-height: 350px;
        padding: 15px;
        font-size: 14px;
    }
    
    .content-html-view {
        min-height: 250px;
        max-height: 350px;
        font-size: 12px;
    }
    
    /* Login screen mobile */
    .login-box {
        padding: 25px 20px;
        margin: 15px;
        width: calc(100% - 30px);
    }
    
    .login-logo {
        width: 60px;
    }
    
    .login-box h1 {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .login-box input {
        padding: 14px 12px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .login-box button {
        padding: 14px;
    }
}

/* Spotlight and Free Ads Info Boxes */
.spotlight-info,
.freeads-info {
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: 6px;
    padding: 12px 15px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #004085;
}

.spotlight-info i,
.freeads-info i {
    margin-right: 8px;
}

/* Loading and status states for tables */
.loading,
.no-data,
.error {
    text-align: center;
    padding: 30px;
    color: #666;
    font-style: italic;
}

.error {
    color: #dc3545;
}

/* ===== Invitation Overlay ===== */
.invitation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.invitation-geometric {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.inv-shape {
    position: absolute;
    opacity: 0.08;
}

/* Circles */
.inv-circle-1 {
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border: 3px solid #60a5fa;
    border-radius: 50%;
    animation: floatSlow 20s ease-in-out infinite;
}

.inv-circle-2 {
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, transparent 60%, #818cf8 100%);
    border-radius: 50%;
    animation: floatSlow 25s ease-in-out infinite reverse;
}

.inv-circle-3 {
    top: 40%;
    right: 15%;
    width: 80px;
    height: 80px;
    border: 2px solid #fbbf24;
    border-radius: 50%;
    animation: floatSmall 8s ease-in-out infinite;
}

/* Squares */
.inv-square-1 {
    top: 20%;
    left: 10%;
    width: 120px;
    height: 120px;
    border: 2px solid #34d399;
    transform: rotate(45deg);
    animation: rotateSlow 30s linear infinite;
}

.inv-square-2 {
    bottom: 25%;
    right: 8%;
    width: 60px;
    height: 60px;
    background: #f472b6;
    transform: rotate(15deg);
    animation: floatSmall 12s ease-in-out infinite;
}

/* Triangles */
.inv-triangle-1 {
    top: 15%;
    right: 25%;
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 86px solid #60a5fa;
    animation: floatSmall 15s ease-in-out infinite;
}

.inv-triangle-2 {
    bottom: 20%;
    left: 20%;
    width: 0;
    height: 0;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 52px solid #fbbf24;
    transform: rotate(180deg);
    animation: floatSmall 10s ease-in-out infinite reverse;
}

/* Diamond */
.inv-diamond-1 {
    top: 60%;
    left: 8%;
    width: 40px;
    height: 40px;
    background: #818cf8;
    transform: rotate(45deg);
    animation: pulseSlow 4s ease-in-out infinite;
}

/* Lines */
.inv-line-1 {
    top: 30%;
    left: 0;
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #60a5fa, transparent);
    transform: rotate(-30deg);
}

.inv-line-2 {
    bottom: 35%;
    right: 0;
    width: 300px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #34d399, transparent);
    transform: rotate(20deg);
}

/* Dots pattern */
.inv-dots {
    top: 50%;
    right: 30%;
    width: 100px;
    height: 100px;
    background-image: radial-gradient(circle, #fbbf24 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.15;
}

@keyframes floatSlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

@keyframes floatSmall {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(15px, -15px) rotate(5deg); }
}

@keyframes rotateSlow {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

@keyframes pulseSlow {
    0%, 100% { opacity: 0.08; transform: rotate(45deg) scale(1); }
    50% { opacity: 0.15; transform: rotate(45deg) scale(1.1); }
}

/* Invitation Content */
.invitation-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 600px;
    padding: 20px;
}

.invitation-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    padding: 50px 45px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    text-align: center;
}

.invitation-logo {
    width: 70px;
    height: auto;
    margin-bottom: 25px;
}

.invitation-eyebrow {
    font-family: 'Ubuntu', sans-serif;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #0066cc;
    margin-bottom: 10px;
}

.invitation-title {
    font-family: 'Georgia', 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 400;
    color: #1e293b;
    line-height: 1.3;
    margin-bottom: 30px;
}

.invitation-title em {
    font-style: italic;
    color: #0f172a;
}

.invitation-greeting {
    font-family: 'Georgia', serif;
    font-size: 20px;
    color: #334155;
    margin-bottom: 15px;
}

.invitation-greeting strong {
    color: #0f172a;
}

.invitation-verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: white;
    padding: 8px 18px;
    border-radius: 30px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 25px;
}

.invitation-verified-badge i {
    font-size: 16px;
}

.invitation-message {
    font-family: 'Georgia', serif;
    font-size: 15px;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 25px;
    text-align: left;
}

.invitation-message p {
    margin-bottom: 12px;
}

.invitation-mission {
    background: #f8fafc;
    border-left: 3px solid #0066cc;
    padding: 20px 25px;
    margin: 25px 0;
    text-align: left;
}

.invitation-mission h3 {
    font-family: 'Georgia', serif;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.invitation-mission p {
    font-family: 'Georgia', serif;
    font-size: 14px;
    line-height: 1.7;
    color: #64748b;
    margin: 0;
}

.invitation-footer {
    margin-top: 30px;
}

.invitation-cta {
    font-family: 'Georgia', serif;
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 20px;
    font-style: italic;
}

.invitation-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    border: none;
    padding: 16px 40px;
    border-radius: 8px;
    font-family: 'Georgia', serif;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.invitation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.3);
}

.invitation-btn i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.invitation-btn:hover i {
    transform: translateX(5px);
}

/* Copy Invitation Button */
.btn-invitation {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-invitation:hover {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%);
    transform: translateY(-1px);
}

.btn-invitation.copied {
    background: #10b981;
}

/* Responsive */
@media (max-width: 640px) {
    .invitation-card {
        padding: 35px 25px;
    }
    
    .invitation-title {
        font-size: 22px;
    }
    
    .invitation-greeting {
        font-size: 18px;
    }
    
    .invitation-message {
        font-size: 14px;
    }
    
    .inv-circle-1 {
        width: 250px;
        height: 250px;
    }
    
    .inv-circle-2 {
        width: 300px;
        height: 300px;
    }
}