/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-orange: #ff8c00;
    --hover-orange: #ff7f00;
    --light-orange: #fff5e6;
    --dark-gray: #333;
    --medium-gray: #666;
    --light-gray: #f5f5f5;
    --border-gray: #ddd;
    --white: #fff;
    --error-red: #e74c3c;
    --success-green: #27ae60;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

/* Navigation */
.navbar {
    background-color: var(--primary-orange);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 180px);
    padding: 2rem;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-orange);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--white);
}

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

.btn-primary:disabled {
    background-color: var(--medium-gray);
    cursor: not-allowed;
}

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

.btn-secondary:hover {
    background-color: var(--primary-orange);
    color: var(--white);
}

/* Hero Section (Index Page) */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--light-orange) 0%, var(--white) 100%);
    border-radius: 8px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    color: var(--primary-orange);
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    background-color: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary-orange);
    box-shadow: 0 4px 8px rgba(255, 140, 0, 0.2);
}

.feature-card h3 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
}

/* About Page */
.content-page {
    max-width: 800px;
    margin: 0 auto;
}

.content-page h1 {
    color: var(--primary-orange);
    margin-bottom: 2rem;
}

.about-section {
    margin-bottom: 2rem;
}

.about-section h2 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.about-section ul, .about-section ol {
    margin-left: 2rem;
    margin-top: 0.5rem;
}

.about-section li {
    margin-bottom: 0.5rem;
}

.about-section a {
    color: var(--primary-orange);
    text-decoration: none;
}

.about-section a:hover {
    text-decoration: underline;
}

.cta-section {
    text-align: center;
    margin-top: 3rem;
}

/* Lobby Page */
.lobby-container {
    max-width: 1400px;
    margin: 0 auto;
}

.lobby-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.lobby-header h1 {
    color: var(--primary-orange);
}

/* Connection status indicator (dot in sidebar) */
.connection-status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-gray);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-text {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.status-dot.status-connected {
    background-color: var(--success-green);
    box-shadow: 0 0 8px var(--success-green);
}

.status-dot.status-disconnected {
    background-color: var(--error-red);
}

.status-dot.status-connecting {
    background-color: var(--primary-orange);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Modal */
.modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
}

.modal-content h2 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
}

.modal-content input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    font-size: 1rem;
    margin: 1rem 0;
}

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

.error-message {
    color: var(--error-red);
    font-size: 0.875rem;
    margin: 0.5rem 0;
    min-height: 1.25rem;
}

/* Consent Checkbox */
.consent-checkbox-container {
    margin: 1rem 0 0.5rem 0;
    text-align: left;
}

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--dark-gray);
    cursor: pointer;
    line-height: 1.4;
}

.consent-label input[type="checkbox"] {
    margin-top: 0.2rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-orange);
    flex-shrink: 0;
}

.consent-label input[type="checkbox"]:focus {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}

.consent-label a {
    color: var(--primary-orange);
    text-decoration: underline;
}

.consent-label a:hover {
    color: var(--hover-orange);
}

/* Username Prompt (inline, not blocking) */
.username-prompt {
    background-color: var(--light-orange);
    border: 2px solid var(--primary-orange);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.username-prompt.hidden {
    display: none;
}

.username-prompt-content h2 {
    color: var(--primary-orange);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.username-prompt-content p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.username-prompt-form {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.username-prompt-form input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    font-size: 1rem;
}

.username-prompt-form input:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.username-prompt-form button {
    padding: 0.75rem 1.5rem;
}

/* Lobby Layout */
.lobby-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    height: calc(100vh - 250px);
}

/* Sidebar */
.sidebar {
    background-color: var(--light-gray);
    border-radius: 8px;
    padding: 1rem;
    overflow-y: auto;
}

.sidebar h3 {
    color: var(--primary-orange);
    margin-bottom: 1rem;
    font-size: 1rem;
}

#user-list {
    list-style: none;
}

#user-list li {
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--white);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

#user-list li:hover {
    background-color: var(--light-orange);
    color: var(--primary-orange);
}

/* Chat Area */
.chat-area {
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    overflow: hidden;
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Messages */
.message {
    padding: 0.75rem;
    border-radius: 4px;
    max-width: 80%;
}

.message-lobby {
    background-color: var(--light-gray);
    align-self: flex-start;
}

.message-private {
    background-color: var(--light-orange);
    align-self: flex-start;
}

.message-own {
    background-color: var(--primary-orange);
    color: var(--white);
    align-self: flex-end;
}

.message-activity {
    background-color: var(--light-orange);
    align-self: center;
    text-align: center;
    font-style: italic;
    color: var(--medium-gray);
    max-width: 100%;
}

.message-error {
    background-color: var(--error-red);
    color: var(--white);
    align-self: center;
    text-align: center;
    max-width: 100%;
}

.message-username {
    font-weight: bold;
    color: var(--primary-orange);
    margin-right: 0.5rem;
}

.message-own .message-username {
    color: var(--light-orange);
}

.message-timestamp {
    font-size: 0.75rem;
    color: var(--medium-gray);
    margin-left: 0.5rem;
}

/* Message Input */
.message-input-container {
    display: flex;
    padding: 1rem;
    border-top: 2px solid var(--border-gray);
    gap: 0.5rem;
}

#message-input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    font-size: 1rem;
}

#message-input:focus {
    outline: none;
    border-color: var(--primary-orange);
}

#message-input:disabled {
    background-color: var(--light-gray);
    cursor: not-allowed;
}

/* User List Items with Menus */
.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--white);
    border-radius: 4px;
    transition: all 0.2s;
}

.user-item.current-user {
    background-color: var(--light-orange);
    border: 2px solid var(--primary-orange);
    font-weight: bold;
}

.user-item:hover:not(.current-user) {
    background-color: var(--light-orange);
}

.user-item-name {
    flex: 1;
    color: var(--dark-gray);
}

.user-item.current-user .user-item-name {
    color: var(--primary-orange);
}

.user-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--medium-gray);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.user-menu-btn:hover {
    background-color: var(--border-gray);
    color: var(--primary-orange);
}

.user-menu {
    position: absolute;
    background-color: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 100;
    min-width: 150px;
}

.user-menu.hidden {
    display: none;
}

.user-menu button {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    color: var(--dark-gray);
    transition: all 0.2s;
}

.user-menu button:hover {
    background-color: var(--light-orange);
    color: var(--primary-orange);
}

.user-menu button:not(:last-child) {
    border-bottom: 1px solid var(--border-gray);
}

/* PM Modal System */
.pm-modal {
    position: fixed;
    background-color: var(--white);
    border: 2px solid var(--primary-orange);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 500;
    display: flex;
    flex-direction: column;
    min-width: 300px;
    min-height: 200px;
}

.pm-modal.minimized {
    height: auto;
    min-height: auto;
}

.pm-modal.minimized .pm-modal-body {
    display: none;
}

.pm-modal-header {
    background-color: var(--primary-orange);
    color: var(--white);
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    user-select: none;
}

.pm-modal-title {
    font-weight: bold;
    font-size: 1rem;
}

.pm-modal-controls {
    display: flex;
    gap: 0.5rem;
}

.pm-modal-control-btn {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.pm-modal-control-btn:hover {
    background-color: var(--hover-orange);
}

.pm-modal-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.pm-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background-color: var(--light-gray);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pm-message {
    padding: 0.5rem;
    border-radius: 4px;
    max-width: 80%;
}

.pm-message.sent {
    background-color: var(--primary-orange);
    color: var(--white);
    align-self: flex-end;
}

.pm-message.received {
    background-color: var(--white);
    color: var(--dark-gray);
    align-self: flex-start;
}

.pm-message-text {
    word-wrap: break-word;
}

.pm-message-time {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.25rem;
}

.pm-input-container {
    display: flex;
    padding: 0.75rem;
    border-top: 2px solid var(--border-gray);
    gap: 0.5rem;
}

.pm-input-container input {
    flex: 1;
    padding: 0.5rem;
    border: 2px solid var(--border-gray);
    border-radius: 4px;
    font-size: 0.9rem;
}

.pm-input-container input:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.pm-input-container button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Resize handle for PM modals */
.pm-modal-resize-handle {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 15px;
    height: 15px;
    cursor: nwse-resize;
}

.pm-modal-resize-handle::after {
    content: '';
    position: absolute;
    right: 3px;
    bottom: 3px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 10px 10px;
    border-color: transparent transparent var(--medium-gray) transparent;
}

/* Not Logged In Placeholder */
.not-logged-in-message {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--medium-gray);
    font-size: 1.1rem;
    text-align: center;
    padding: 2rem;
}

/* Admin Styles */
.admin-user {
    background: linear-gradient(90deg, #fff5e6 0%, #ffe4cc 100%);
}

.admin-user .user-item-name {
    color: var(--primary-orange);
    font-weight: 600;
}

.admin-action {
    background-color: var(--light-orange) !important;
    color: var(--primary-orange) !important;
    border-top: 1px solid var(--border-gray);
}

.admin-action:hover {
    background-color: #ffe4cc !important;
}

.ban-action {
    background-color: #ffebee !important;
    color: #c62828 !important;
}

.ban-action:hover {
    background-color: #ffcdd2 !important;
}

/* Admin Login Page */
.admin-login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 60px);
    padding: 2rem;
    background: linear-gradient(135deg, #fff5e6 0%, #ffe4cc 100%);
}

.admin-login-box {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(255, 140, 0, 0.15);
    max-width: 400px;
    width: 100%;
    border: 2px solid var(--primary-orange);
}

.admin-login-box h1 {
    color: var(--primary-orange);
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    text-align: center;
}

.admin-subtitle {
    color: var(--medium-gray);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-gray);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.btn-admin {
    width: 100%;
    padding: 0.875rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.admin-info {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-gray);
    text-align: center;
}

.admin-info p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .lobby-layout {
        grid-template-columns: 1fr;
        height: auto;
    }

    .sidebar {
        max-height: 200px;
    }

    .chat-area {
        height: 500px;
    }

    .features {
        grid-template-columns: 1fr;
    }
    
    .admin-login-box {
        padding: 2rem;
    }
}