/**
 * EkoRTN Assistant - Frontend Styles
 */

/* Chat Container */
#ekortn-chat-container {
    width: 100%;
    max-width: 700px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    background: linear-gradient(to bottom, #ffffff, #f8f9fa);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Chat Output */
#ekortn-chat-output {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    margin-bottom: 15px;
    padding: 15px;
    background-color: #fff;
    scroll-behavior: smooth;
}

#ekortn-chat-output:empty::before {
    content: "Začněte konverzaci...";
    color: #999;
    font-style: italic;
}

/* Messages */
.ekortn-message {
    margin-bottom: 15px;
    padding: 12px;
    border-radius: 8px;
    animation: fadeIn 0.3s ease-in;
}

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

.ekortn-message-user {
    background-color: #e3f2fd;
    border-left: 4px solid #2196f3;
}

.ekortn-message-assistant {
    background-color: #f1f8e9;
    border-left: 4px solid #4caf50;
}

.ekortn-message-system {
    background-color: #fff3e0;
    border-left: 4px solid #ff9800;
}

.ekortn-message strong {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ekortn-message-user strong {
    color: #1976d2;
}

.ekortn-message-assistant strong {
    color: #388e3c;
}

.ekortn-message-system strong {
    color: #f57c00;
}

.ekortn-message-content {
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Status Messages */
.ekortn-status {
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 6px;
    font-size: 0.95em;
    text-align: center;
}

.ekortn-status-loading {
    background-color: #e3f2fd;
    color: #1976d2;
    border: 1px solid #90caf9;
}

.ekortn-status-info {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.ekortn-status-error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

/* Form Elements */
#ekortn-chat-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#ekortn-chat-form textarea {
    width: 100%;
    min-height: 60px;
    max-height: 150px;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#ekortn-chat-form textarea:focus {
    outline: none;
    border-color: #2196f3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

#ekortn-chat-form textarea:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

#ekortn-chat-form button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    background-color: #2196f3;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

#ekortn-chat-form button:hover:not(:disabled) {
    background-color: #1976d2;
    transform: translateY(-1px);
}

#ekortn-chat-form button:active:not(:disabled) {
    transform: translateY(0);
}

#ekortn-chat-form button:disabled {
    background-color: #bdbdbd;
    cursor: not-allowed;
}

/* Scrollbar Styling */
#ekortn-chat-output::-webkit-scrollbar {
    width: 8px;
}

#ekortn-chat-output::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

#ekortn-chat-output::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

#ekortn-chat-output::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive Design */
@media (max-width: 768px) {
    #ekortn-chat-container {
        margin: 10px;
        padding: 15px;
    }
    
    #ekortn-chat-output {
        height: 300px;
    }
}

/* Loading Animation */
.ekortn-loading-dots::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% {
        content: '.';
    }
    40% {
        content: '..';
    }
    60%, 100% {
        content: '...';
    }
}