/* ========================================
   UNIFIED MESSAGE SYSTEM - BEM Architecture
   ======================================== */

/* Message Base - Common structure for all message types */
.message {
    display: flex;
    margin-bottom: 1.5rem;
    max-width: 70%;
    animation: messageSlideIn 0.3s ease-out;
}

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

/* Message Type Modifiers - Layout variants */
.message--user {
    align-self: flex-end;
    margin-left: auto;
    flex-direction: row-reverse;
    max-width: 55%;
}

.message--assistant {
    align-self: flex-start;
    max-width: 70%;
}

.message--system {
    align-self: center;
    margin: 0.75rem auto;
    max-width: 70%;
}

/* Message Avatar Element */
.message__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--medium-grey);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    margin: 0 0.625rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

/* Avatar type-specific styling */
.message--user .message__avatar {
    background: var(--ledewire-yellow);
    color: var(--charcoal);
}

.message--assistant .message__avatar {
    background: var(--charcoal);
    color: var(--pure-white);
}

.message--system .message__avatar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Message Content Wrapper */
.message__content {
    background: var(--bg-card);
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    max-width: 100%;
    border: 1px solid var(--border-light);
    flex: 1;
}

.message--user .message__content {
    background: rgba(255, 243, 141, 0.4);
    color: var(--charcoal);
    border: 1px solid rgba(255, 243, 141, 0.6);
    text-align: right;
}

.message--system .message__content {
    background: rgba(241, 241, 241, 0.5);
    border: 1px solid rgba(70, 70, 70, 0.08);
    box-shadow: none;
    text-align: center;
    padding: 0.5rem 0.75rem;
}

/* Message Header (Sender + Timestamp) */
.message__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.375rem;
    gap: 0.5rem;
}

.message__sender {
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.message--user .message__sender {
    color: var(--charcoal);
}

.message__time {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.8;
    font-weight: var(--font-weight-medium);
}

.message--user .message__time {
    color: var(--charcoal);
    opacity: 0.7;
}

/* Message Body (Content area) */
.message__body {
    line-height: 1.6;
    word-wrap: break-word;
    font-size: 0.95rem;
}

.message__body strong {
    font-weight: var(--font-weight-semibold);
}

.message__body em {
    font-style: italic;
}

.message__body code {
    background: var(--bg-secondary);
    padding: 0.125rem 0.25rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;
}

/* Research Mode Suggestion - REMOVED (always in research mode now) */

/* Anonymous Chat Prompt */
.anonymous-chat-prompt {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.anonymous-chat-prompt .prompt-text {
    color: var(--muted-foreground);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

.anonymous-chat-prompt .login-button {
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 6px;
    padding: 0.4rem 0.9rem;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.25rem;
}

.anonymous-chat-prompt .login-button:hover {
    background: #f5e65c;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.anonymous-chat-prompt .login-button:active {
    transform: translateY(0);
}

/* Dark Mode Anonymous Chat Prompt */
.dark .anonymous-chat-prompt {
    border-top-color: rgba(255, 255, 255, 0.15);
}

.dark .anonymous-chat-prompt .prompt-text {
    color: rgba(255, 255, 255, 0.7);
}

.dark .anonymous-chat-prompt .login-button {
    background: var(--accent);
    color: #000;
}

.dark .anonymous-chat-prompt .login-button:hover {
    background: #f5e65c;
}

/* Find Sources Prompt (Authenticated Users) */
.find-sources-prompt {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-start;
}

.find-sources-button {
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 6px;
    padding: 0.65rem 1.25rem;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.find-sources-button .icon {
    font-size: 1rem;
}

.find-sources-button:hover {
    background: #f5e65c;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.find-sources-button:active {
    transform: translateY(0);
}

/* Dark Mode Find Sources Prompt */
.dark .find-sources-prompt {
    border-top-color: rgba(255, 255, 255, 0.15);
}

.dark .find-sources-button {
    background: var(--accent);
    color: #000;
}

.dark .find-sources-button:hover {
    background: #f5e65c;
}

/* Report Download Button */
.report-download-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

.report-download-btn {
    background: var(--primary) !important;
    color: var(--primary-foreground) !important;
    border: 1px solid var(--primary) !important;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.report-download-btn:hover {
    background: var(--muted-foreground) !important;
    border-color: var(--muted-foreground) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.report-download-btn:active {
    transform: translateY(0);
}

/* Dark Mode Download Button */
.dark .report-download-container {
    border-top-color: rgba(255, 255, 255, 0.15);
}

.dark .report-download-btn {
    background: var(--accent) !important;
    color: black !important;
    border-color: var(--accent) !important;
}

.dark .report-download-btn:hover {
    background: #f5e65c !important;
    border-color: #f5e65c !important;
}

/* Dark Mode Message Overrides */
.dark .message__content {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--foreground);
}

.dark .message--user .message__content {
    background: rgba(255, 243, 141, 0.2);
    border-color: rgba(255, 243, 141, 0.35);
    color: rgba(255, 255, 255, 0.95);
}

.dark .message--system .message__content {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.dark .message__sender {
    color: var(--foreground);
}

.dark .message--user .message__sender {
    color: rgba(255, 255, 255, 0.95);
}

.dark .message__time {
    color: rgba(255, 255, 255, 0.85);
}

.dark .message--user .message__time {
    color: rgba(255, 255, 255, 0.9);
}

/* Loading State Modifier */
.message--loading .message__avatar {
    background: var(--ledewire-yellow);
    color: var(--charcoal);
}

.message--loading .message__content {
    background: var(--yellow-light);
    border-color: var(--ledewire-yellow);
}

.message__loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.message__spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border-color);
    border-top-color: var(--ledewire-yellow);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.message__loading-text {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}