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

:root {
    /* Light Theme Colors */
    --primary-color: #2e63a8;
    --primary-dark: #234c85;
    --secondary-color: #30a3db;
    --secondary-dark: #268ab8;
    --accent-color: #3eb074;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-tertiary: #e8edf2;
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-tertiary: #7a7a9a;
    
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    --status-yes: #3eb074;
    --status-maybe: #ecd057;
    --status-no: #eb576b;
}

body.dark-mode {
    /* Dark Theme Colors */
    --primary-color: #4e7ec8;
    --primary-dark: #3e63a8;
    --secondary-color: #50b3eb;
    --secondary-dark: #4093cb;
    --accent-color: #5ec094;
    
    --bg-primary: #1a1a2e;
    --bg-secondary: #252540;
    --bg-tertiary: #303050;
    
    --text-primary: #f0f0f0;
    --text-secondary: #d0d0d0;
    --text-tertiary: #a0a0a0;
    
    --border-color: #303050;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

body.dashboard-active {
    overflow: hidden;
}

.active {
    display: block !important;
}

.hidden {
    display: none !important;
}

/* Logo */
.logo {
    display: inline-flex;
    align-items: baseline;
    font-weight: bold;
    font-size: 1.5rem;
}

.letter {
    display: inline-block;
    margin: 0 0.1em;
    color: var(--color);
}

.colon {
    margin: 0 0.2em;
    color: var(--text-primary);
}

.four-d {
    color: var(--text-primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    width: 100%;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

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

/* Theme Toggle */
.theme-toggle {
    margin-top: 1rem;
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s;
}

#theme-toggle:hover {
    border-color: var(--primary-color);
}

#theme-icon {
    font-size: 1.2rem;
}

/* Login Page */
#login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-container {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
    width: 100%;
    max-width: 400px;
    text-align: center;
    margin: 0 auto;
}

.login-container .logo {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.login-container h1 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 0;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.button-group .guest-button {
    flex: 3;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.button-group .theme-toggle {
    flex: 1;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.button-group .btn-secondary {
    width: 100%;
}

.button-group #theme-toggle {
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 99, 168, 0.1);
}

.stars input[type="radio"]:checked ~ label.star {
    color: #ffd700;
}

body.dark-mode .stars label.star {
    color: var(--bg-tertiary);
}

body.dark-mode .stars label.star:hover,
body.dark-mode .stars label.star:hover ~ label.star,
body.dark-mode .stars input[type="radio"]:checked ~ label.star {
    color: #ffd700;
}

body.dark-mode .error-message {
    background-color: rgba(235, 87, 107, 0.2);
    border-color: var(--status-no);
    color: #ffb3c1;
}

.error-message {
    padding: 0.75rem;
    background-color: rgba(235, 87, 107, 0.1);
    border: 1px solid var(--status-no);
    border-radius: 8px;
    color: var(--status-no);
    font-size: 0.9rem;
    display: none;
}

.error-message.visible {
    display: block;
}

.footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

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

.dashboard-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.dashboard-header .logo {
    font-size: 1.25rem;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin-left: 3rem;
}

.nav-item {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

#user-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.role-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.role-admin {
    background-color: rgba(235, 87, 107, 0.2);
    color: var(--status-no);
}

.role-boss {
    background-color: rgba(46, 99, 168, 0.2);
    color: var(--primary-color);
}

.role-member {
    background-color: rgba(62, 176, 116, 0.2);
    color: var(--status-yes);
}

/* Dashboard Content */
.dashboard-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.page-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px var(--shadow-color);
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-secondary);
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* Event Participation Status */
.status-yes {
    background-color: rgba(62, 176, 116, 0.2);
    color: var(--status-yes);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-maybe {
    background-color: rgba(236, 208, 87, 0.2);
    color: var(--status-maybe);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-no {
    background-color: rgba(235, 87, 107, 0.2);
    color: var(--status-no);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Forms */
.form-section {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

textarea {
    width: 100%;
    min-height: 100px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .main-nav ul {
        margin-left: 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .login-container {
        padding: 2rem;
    }
    
    .login-container .logo {
        font-size: 2rem;
    }
}

/* Setup Wizard */
#setup-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.setup-container {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
    width: 100%;
    max-width: 450px;
    text-align: center;
    margin: 0 auto;
}

.setup-container .logo {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.setup-container h1 {
    color: var(--text-primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.setup-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.setup-footer p {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.setup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Guest Review Styles */
.guest-review-form {
    max-width: 600px;
    margin: 0 auto;
}

.rating-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.rating-label {
    flex: 1;
    text-align: center;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.rating-label:hover {
    background-color: var(--primary-color);
    color: white;
}

.rating-label input {
    display: none;
}

.rating-label.selected {
    background-color: var(--primary-color);
    color: white;
}

.rating-label span {
    font-size: 1.5rem;
    display: block;
}

.rating-label small {
    display: block;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.stars {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: 0.25rem;
}

.stars input[type="radio"] {
    display: none;
}

.stars label.star {
    cursor: pointer;
    font-size: 2.5rem;
    color: var(--bg-tertiary);
    transition: color 0.2s, transform 0.2s;
    line-height: 1;
}

.stars label.star:hover,
.stars label.star:hover ~ label.star {
    color: #ffd700;
    transform: scale(1.1);
}

.stars input[type="radio"]:checked ~ label.star {
    color: #ffd700;
}

.stars input[type="radio"]:checked ~ label.star:hover,
.stars input[type="radio"]:checked ~ label.star:hover ~ label.star {
    color: #ffd700;
}

.rating-title {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 0.25rem;
}

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

/* Loading Spinner */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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