/* Chat Page Styles */

.chat-container {
    max-width: 850px;
    margin: 0 auto;
    height: calc(100vh - 200px);
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease-in;
}

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

.chat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.02), rgba(45, 212, 191, 0.02));
}

.message {
    display: flex;
    animation: slideIn 0.3s ease-out;
}

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

.user-message {
    justify-content: flex-end;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    color: white;
    border-radius: 18px 18px 4px 18px;
    padding: 12px 16px;
    max-width: 70%;
    word-wrap: break-word;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
}

.assistant-message {
    justify-content: flex-start;
}

.assistant-message .message-content {
    background: rgba(45, 212, 191, 0.1);
    color: var(--text);
    border: 1px solid rgba(45, 212, 191, 0.3);
    border-radius: 18px 18px 18px 4px;
    padding: 12px 16px;
    max-width: 70%;
    word-wrap: break-word;
}

.error-message {
    justify-content: flex-start;
}

.error-message .message-content {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 18px 18px 18px 4px;
    padding: 12px 16px;
    max-width: 70%;
    word-wrap: break-word;
}

.message-content {
    line-height: 1.5;
    font-size: 14px;
}

.input-area {
    padding: 16px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.chat-input-form {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

#messageInput {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--card);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#messageInput:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

#messageInput:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.send-btn {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.2s ease;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
}

.send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.send-btn:active:not(:disabled) {
    transform: translateY(0);
}

.send-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.input-hint {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--muted);
    text-align: center;
}

/* Scrollbar Styling */
.messages::-webkit-scrollbar {
    width: 8px;
}

.messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

.messages::-webkit-scrollbar-thumb {
    background: rgba(76, 175, 80, 0.3);
    border-radius: 10px;
    transition: background 0.2s ease;
}

.messages::-webkit-scrollbar-thumb:hover {
    background: rgba(76, 175, 80, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .chat-container {
        height: calc(100vh - 180px);
    }

    .user-message .message-content,
    .assistant-message .message-content,
    .error-message .message-content {
        max-width: 85%;
    }

    .send-btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    #messageInput {
        padding: 10px 12px;
        font-size: 14px;
    }

    .messages {
        padding: 16px 12px;
        gap: 12px;
    }

    .message-content {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .user-message .message-content,
    .assistant-message .message-content,
    .error-message .message-content {
        max-width: 95%;
        font-size: 12px;
    }

    .send-btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    .input-hint {
        font-size: 11px;
    }
}

.chat-recipe-cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    padding-left: 4px;
}

.chat-recipe-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 14px;
    max-width: 360px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.chat-recipe-card-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: #1e293b;
}

.chat-add-planner-btn {
    padding: 4px 12px;
    background: rgba(76, 175, 80, 0.12);
    color: #166534;
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 12px;
}

.chat-add-planner-btn:hover {
    background: rgba(76, 175, 80, 0.22);
}