/* RealTime Translation Chat - Frontend Styles */
:root {
    --rtc-primary: #667eea;
    --rtc-primary-dark: #5568d3;
    --rtc-secondary: #764ba2;
    --rtc-bg-light: #f8f9fa;
    --rtc-bg-dark: #ffffff;
    --rtc-text: #333333;
    --rtc-text-light: #666666;
    --rtc-border: #e1e4e8;
    --rtc-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --rtc-radius: 12px;
}

.rtc-chat-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    max-width: 1400px;
    margin: 20px auto;
    background: var(--rtc-bg-dark);
    border-radius: var(--rtc-radius);
    box-shadow: var(--rtc-shadow);
    overflow: hidden;
}

/* Auth Screen */
.rtc-auth-screen {
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--rtc-primary) 0%, var(--rtc-secondary) 100%);
    padding: 40px 20px;
}

.rtc-auth-box {
    background: white;
    padding: 40px;
    border-radius: var(--rtc-radius);
    max-width: 450px;
    width: 100%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.rtc-logo {
    text-align: center;
    margin-bottom: 30px;
}

.rtc-logo-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.rtc-logo h1 {
    font-size: 28px;
    margin: 0 0 5px 0;
    color: var(--rtc-text);
}

.rtc-tagline {
    color: var(--rtc-text-light);
    margin: 0;
}

.rtc-auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.rtc-tab-button {
    flex: 1;
    padding: 12px;
    border: none;
    background: var(--rtc-bg-light);
    color: var(--rtc-text);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.rtc-tab-button.active {
    background: var(--rtc-primary);
    color: white;
}

.rtc-auth-form {
    display: none;
}

.rtc-auth-form.active {
    display: block;
}

.rtc-form-group {
    margin-bottom: 15px;
}

.rtc-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--rtc-text);
    margin-bottom: 6px;
}

.rtc-input, .rtc-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--rtc-border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.rtc-input:focus, .rtc-select:focus {
    outline: none;
    border-color: var(--rtc-primary);
}

.rtc-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rtc-btn-primary {
    background: var(--rtc-primary);
    color: white;
    width: 100%;
    justify-content: center;
}

.rtc-btn-primary:hover {
    background: var(--rtc-primary-dark);
    transform: translateY(-1px);
}

/* Chat Screen */
.rtc-chat-screen {
    display: flex;
    height: 700px;
}

.rtc-sidebar {
    width: 320px;
    background: var(--rtc-bg-light);
    border-right: 1px solid var(--rtc-border);
    display: flex;
    flex-direction: column;
}

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

.rtc-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rtc-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--rtc-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.rtc-username {
    font-weight: 600;
    font-size: 14px;
}

.rtc-language-indicator {
    font-size: 12px;
    color: var(--rtc-text-light);
    display: flex;
    align-items: center;
    gap: 4px;
}

.rtc-rooms-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.rtc-room-item {
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    margin-bottom: 5px;
}

.rtc-room-item:hover {
    background: rgba(102, 126, 234, 0.1);
}

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

.rtc-room-icon {
    font-size: 24px;
}

.rtc-room-info {
    flex: 1;
}

.rtc-room-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.rtc-room-meta {
    font-size: 12px;
    opacity: 0.7;
}

/* Main Chat Area */
.rtc-main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
}

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

.rtc-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.rtc-message {
    display: flex;
    gap: 12px;
    max-width: 70%;
}

.rtc-message.rtc-own-message {
    margin-left: auto;
    flex-direction: row-reverse;
}

.rtc-message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--rtc-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.rtc-message-content {
    flex: 1;
}

.rtc-message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.rtc-message-author {
    font-weight: 600;
    font-size: 13px;
    color: var(--rtc-text);
}

.rtc-message-time {
    font-size: 11px;
    color: var(--rtc-text-light);
}

.rtc-message-bubble {
    background: var(--rtc-bg-light);
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.rtc-own-message .rtc-message-bubble {
    background: var(--rtc-primary);
    color: white;
}

/* Message Input */
.rtc-message-input-area {
    padding: 20px;
    border-top: 1px solid var(--rtc-border);
}

.rtc-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.rtc-message-input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--rtc-border);
    border-radius: 24px;
    font-size: 14px;
    resize: none;
    max-height: 120px;
    font-family: inherit;
}

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

.rtc-btn-send {
    background: var(--rtc-primary);
    color: white;
    border-radius: 24px;
    padding: 12px 24px;
}

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

/* Empty State */
.rtc-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--rtc-text-light);
    text-align: center;
    padding: 40px;
}

.rtc-empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Modal */
.rtc-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.rtc-modal.active {
    display: flex;
}

.rtc-modal-content {
    background: white;
    border-radius: var(--rtc-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: auto;
}

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

.rtc-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--rtc-text-light);
}

.rtc-modal-body {
    padding: 20px;
}

.rtc-modal-footer {
    padding: 20px;
    border-top: 1px solid var(--rtc-border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Room Link Modal Styles */
.rtc-success-message {
    text-align: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #e8f5e9;
    border-radius: 8px;
}

.rtc-success-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.rtc-link-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.rtc-link-input {
    flex: 1;
    font-family: monospace;
    font-size: 13px;
    background: #f5f5f5;
}

#rtc-copy-link-btn {
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
}

#rtc-copy-link-btn.copied {
    background: #4caf50;
}

.rtc-share-options {
    margin-bottom: 20px;
}

.rtc-share-label {
    font-size: 14px;
    color: var(--rtc-text-light);
    margin-bottom: 10px;
}

.rtc-share-buttons {
    display: flex;
    gap: 10px;
}

.rtc-btn-share {
    flex: 1;
    background: white;
    color: var(--rtc-text);
    border: 2px solid var(--rtc-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.rtc-btn-share:hover {
    background: var(--rtc-bg-light);
    border-color: var(--rtc-primary);
}

.rtc-room-info-box {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--rtc-primary);
}

.rtc-room-info-box h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--rtc-text);
}

.rtc-room-info-box p {
    margin: 5px 0;
    font-size: 13px;
}

.rtc-info-text {
    color: var(--rtc-text-light);
    font-size: 12px !important;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px !important;
}

.rtc-info-text .dashicons {
    font-size: 16px;
}

/* Copy animation */
@keyframes copySuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.copied {
    animation: copySuccess 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .rtc-chat-screen {
        flex-direction: column;
        height: auto;
    }
    
    .rtc-sidebar {
        width: 100%;
        height: 200px;
    }
    
    .rtc-main-area {
        height: 500px;
    }
}

/* Utilities */
.rtc-loading {
    text-align: center;
    padding: 20px;
    color: var(--rtc-text-light);
}

.rtc-message {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Message notifications */
#rtc-auth-message {
    margin-top: 15px;
}

.rtc-message-error,
.rtc-message-success {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 15px;
    animation: slideDown 0.3s ease;
}

.rtc-message-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.rtc-message-success {
    background: #efe;
    color: #3c3;
    border-left: 4px solid #3c3;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Botão desabilitado */
.rtc-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}