/* =====================================================
   Synathrozo - Main Stylesheet
   A clean, modern design with blue/purple color scheme
   ===================================================== */

/* CSS Variables for consistent theming */
:root {
    /* Primary Colors */
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;

    /* Secondary Colors */
    --secondary-color: #8b5cf6;
    --secondary-hover: #7c3aed;

    /* Neutral Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --background: #f9fafb;
    --surface: #ffffff;
    --border: #e5e7eb;

    /* Status Colors */
    --success: #10b981;
    --success-bg: #d1fae5;
    --error: #ef4444;
    --error-bg: #fee2e2;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;

    /* Spacing */
    --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: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition: all 0.2s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   Typography
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

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

/* =====================================================
   Layout Components
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-sm {
    max-width: 600px;
}

.main-content {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 70px);
}

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    font-size: 1.25rem;
    font-weight: 300;
}

/* =====================================================
   Cards
   ===================================================== */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

/* =====================================================
   Forms
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.required {
    color: var(--error);
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* =====================================================
   Authentication Pages
   ===================================================== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-2xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header .logo {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.auth-header .tagline {
    color: var(--text-secondary);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
}

/* =====================================================
   Dashboard & Page Headers
   ===================================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-header h1 {
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    color: var(--text-secondary);
}

.welcome-text {
    color: var(--text-secondary);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.back-link:hover {
    color: var(--primary-color);
}

/* =====================================================
   Events Grid
   ===================================================== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.event-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

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

.event-card.event-past {
    opacity: 0.7;
}

.event-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-upcoming {
    background: var(--success-bg);
    color: var(--success);
}

.status-past {
    background: var(--border);
    color: var(--text-muted);
}

.event-title {
    margin: var(--spacing-md) 0;
    font-size: 1.25rem;
}

.event-details {
    margin-bottom: var(--spacing-md);
}

.event-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

.detail-icon {
    font-size: 1rem;
}

.event-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.event-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* =====================================================
   Event Detail Page
   ===================================================== */
.event-detail-card {
    position: relative;
}

.event-detail-header {
    margin-bottom: var(--spacing-xl);
}

.event-detail-title {
    font-size: 1.75rem;
    margin-top: var(--spacing-md);
}

.event-detail-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--background);
    border-radius: var(--radius-md);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
}

.info-icon {
    font-size: 1.5rem;
}

.info-item label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.info-item p {
    color: var(--text-primary);
    font-weight: 500;
}

.event-detail-description {
    margin-bottom: var(--spacing-xl);
}

.event-detail-description label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.event-detail-description p {
    color: var(--text-primary);
    white-space: pre-wrap;
}

.event-detail-meta {
    display: flex;
    gap: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.event-detail-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* =====================================================
   Empty & Loading States
   ===================================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
    min-height: 300px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.empty-state h2 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    min-height: 300px;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

.spinner-large {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* =====================================================
   Messages
   ===================================================== */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.message.error {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid var(--error);
}

.message.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.message.warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

/* =====================================================
   Modal
   ===================================================== */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.modal-content h2 {
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    margin-bottom: var(--spacing-xl);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* =====================================================
   Invitation & RSVP Styles
   ===================================================== */

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-item {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: var(--spacing-md);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-highlight .stat-number {
    color: var(--success);
}

/* Mini Stats on Event Detail */
.invitation-stats-mini {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--background);
    border-radius: var(--radius-md);
}

.invitation-stats-mini h4 {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-mini {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.stat-mini {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-mini strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.stat-mini.stat-highlight strong {
    color: var(--success);
}

/* Share Link Section */
.share-card {
    margin-bottom: var(--spacing-lg);
}

.share-card h3 {
    margin-bottom: var(--spacing-sm);
}

.share-card p {
    margin-bottom: var(--spacing-md);
}

.copy-link-container {
    display: flex;
    gap: var(--spacing-sm);
}

.copy-link-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background: var(--background);
    color: var(--text-primary);
}

/* Bulk Actions */
.bulk-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Invitations Table */
.table-responsive {
    overflow-x: auto;
}

.invitations-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.invitations-table th,
.invitations-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.invitations-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.invitations-table tr:hover {
    background: var(--background);
}

.actions-cell {
    display: flex;
    gap: var(--spacing-xs);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background: var(--border);
    color: var(--text-muted);
}

.status-opened {
    background: #dbeafe;
    color: #1d4ed8;
}

.status-accepted {
    background: var(--success-bg);
    color: var(--success);
}

.status-declined {
    background: var(--error-bg);
    color: var(--error);
}

/* Empty State Small */
.empty-state-small {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Secondary Button */
.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
}

/* =====================================================
   RSVP Public Page Styles
   ===================================================== */
.rsvp-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rsvp-container {
    width: 100%;
    max-width: 500px;
}

.rsvp-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.rsvp-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.rsvp-logo {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.rsvp-header h1 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

/* Event Info on RSVP */
.event-info {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--background);
    border-radius: var(--radius-md);
}

.event-info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.event-info-item .info-icon {
    font-size: 1.25rem;
}

.event-info-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-info-item p {
    color: var(--text-primary);
    font-weight: 500;
    margin: 0;
}

.event-description {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--background);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-color);
}

.event-description p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Response Options */
.response-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.response-option {
    cursor: pointer;
}

.response-option input {
    display: none;
}

.response-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    text-align: center;
}

.response-card:hover {
    border-color: var(--primary-color);
}

.response-option input:checked + .response-card {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.response-option input:checked + .response-yes {
    border-color: var(--success);
    background: var(--success-bg);
}

.response-option input:checked + .response-no {
    border-color: var(--error);
    background: var(--error-bg);
}

.response-emoji {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.response-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Guest Details Section */
#guest-details {
    margin-top: var(--spacing-lg);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* Success Animation */
.success-animation {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success-bg);
    color: var(--success);
    font-size: 2.5rem;
    animation: pop 0.3s ease;
}

@keyframes pop {
    0% { transform: scale(0); }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-details {
    background: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.success-details p {
    margin: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

/* Response Confirmation (Already Responded) */
.response-confirmation {
    text-align: center;
}

.response-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.response-icon.attending {
    color: var(--success);
}

.response-icon.not-attending {
    color: var(--text-muted);
}

.response-details {
    background: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.response-details p {
    margin: var(--spacing-sm) 0;
}

/* =====================================================
   Template Selection Styles
   ===================================================== */
.template-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.template-card {
    position: relative;
    padding: var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--surface);
}

.template-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.template-card.selected {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.template-card.selected .template-check {
    color: var(--primary-color);
}

.template-preview {
    height: 60px;
    background: var(--background);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.template-colors {
    display: flex;
    gap: 6px;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.template-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.template-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin: 0;
}

.template-check {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    color: transparent;
    transition: color 0.2s ease;
}

.template-card.selected .template-check svg circle {
    fill: var(--primary-color);
    stroke: var(--primary-color);
}

.template-card.selected .template-check svg path {
    stroke: white;
}

/* Template Preview Button on Manage Invitations */
.template-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--background);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.template-badge .color-dot {
    width: 12px;
    height: 12px;
}

/* =====================================================
   Responsive Styles
   ===================================================== */

@media (max-width: 768px) {
    .template-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border);
        display: none;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header .btn {
        width: 100%;
    }

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

    .event-detail-actions {
        flex-direction: column;
    }

    .event-detail-actions .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }

    .modal-actions {
        flex-direction: column-reverse;
    }

    .modal-actions .btn {
        width: 100%;
    }

    .auth-card {
        padding: var(--spacing-lg);
    }

    .event-detail-info {
        grid-template-columns: 1fr;
    }

    .event-detail-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    h1 {
        font-size: 1.5rem;
    }

    .auth-header .logo {
        font-size: 1.75rem;
    }
}

/* =====================================================
   Custom Image Upload Styles
   ===================================================== */

.invitation-type-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: var(--background);
    padding: 4px;
    border-radius: var(--radius-md);
}

.toggle-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--surface);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.image-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--background);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-upload-area:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.image-upload-area.drag-over {
    border-color: var(--primary-color);
    background: var(--primary-light);
    border-style: solid;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.upload-icon {
    font-size: 3rem;
    opacity: 0.8;
}

.upload-placeholder p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.upload-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.image-preview {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.image-preview img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.remove-image-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--error);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.remove-image-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* Custom image RSVP page styles */
.custom-invitation-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.custom-invitation-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.custom-rsvp-form {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.custom-rsvp-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.custom-event-details {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.custom-event-details h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.custom-event-details p {
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0;
}

@media (max-width: 480px) {
    .invitation-type-toggle {
        flex-direction: column;
    }

    .image-upload-area {
        padding: var(--spacing-lg);
        min-height: 150px;
    }

    .upload-icon {
        font-size: 2rem;
    }
}

/* =====================================================
   Registry Link Input Styles (Create Event Page)
   ===================================================== */
.registry-link-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.registry-link-inputs {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-sm);
}

.registry-link-inputs input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    transition: var(--transition);
}

.registry-link-inputs input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.remove-registry-btn {
    padding: 10px !important;
    min-width: 38px;
}

.btn-danger {
    background: var(--error);
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
}

/* =====================================================
   Registry Link Display Styles (RSVP Success Page)
   ===================================================== */
.registry-links-section {
    margin-top: 20px;
    padding: 20px;
    background: rgba(248, 232, 232, 0.3);
    border-radius: 10px;
    text-align: center;
}

.registry-intro {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95rem;
    font-style: italic;
    color: #806868;
    margin-bottom: 15px;
}

.registry-links-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.registry-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: #fffcfa;
    border: 1px solid #e8d4d4;
    border-radius: 8px;
    color: #806868;
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.registry-link-btn:hover {
    background: #b87878;
    border-color: #b87878;
    color: white;
}

/* Template-specific registry link styling */
.template-modern-dark .registry-links-section {
    background: rgba(212, 175, 55, 0.05);
}

.template-modern-dark .registry-intro {
    color: #888899;
}

.template-modern-dark .registry-link-btn {
    background: rgba(30, 30, 50, 0.5);
    border-color: rgba(212, 175, 55, 0.2);
    color: #ccccdd;
}

.template-modern-dark .registry-link-btn:hover {
    background: #d4af37;
    border-color: #d4af37;
    color: #0f0f1a;
}

.template-garden-party .registry-links-section {
    background: rgba(200, 232, 200, 0.2);
}

.template-garden-party .registry-intro {
    color: #4a6848;
}

.template-garden-party .registry-link-btn {
    background: #fdfef9;
    border-color: #d4e4d0;
    color: #4a6848;
}

.template-garden-party .registry-link-btn:hover {
    background: #5a8c5a;
    border-color: #5a8c5a;
    color: white;
}

.template-classic-formal .registry-links-section {
    background: #f8f8f8;
}

.template-classic-formal .registry-intro {
    color: #666666;
    font-style: normal;
}

.template-classic-formal .registry-link-btn {
    background: #ffffff;
    border: 2px solid #e0e0e0;
    color: #2c2c2c;
    font-style: normal;
}

.template-classic-formal .registry-link-btn:hover {
    background: #2c2c2c;
    border-color: #2c2c2c;
    color: white;
}

@media (max-width: 600px) {
    .registry-link-inputs {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   EMAIL SENDING STYLES
   =========================================== */

/* Email progress bar */
.email-progress-bar {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.progress-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

#email-progress-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-width: 200px;
}

.progress-bar-container {
    flex: 1;
    min-width: 150px;
    height: 8px;
    background: var(--background);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

#email-progress-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Sent status in table */
.sent-status {
    white-space: nowrap;
}

.sent-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.not-sent {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Action buttons in table */
.actions-cell {
    white-space: nowrap;
}

.actions-cell .btn {
    padding: 4px 8px;
    font-size: 0.8rem;
    margin-left: 4px;
}

.actions-cell .btn:first-child {
    margin-left: 0;
}

/* Bulk actions styling */
.bulk-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.bulk-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

@media (max-width: 600px) {
    .bulk-actions {
        flex-direction: column;
    }

    .bulk-actions .btn {
        width: 100%;
    }

    .actions-cell .btn {
        padding: 6px 10px;
        margin-bottom: 4px;
    }
}