body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff;
}

.container {
    max-width: 900px;
}

.main-card {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: none;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.main-card:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.card-header {
    background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
    padding: 1.8rem 1.5rem;
    color: white;
}

.card-header h2 {
    margin: 0;
    font-weight: 700;
    font-size: 2.2rem;
}

.card-body {
    padding: 2rem;
    background-color: #fff;
}

.card-footer {
    background-color: #f8f9fa;
    padding: 1rem;
    color: #6c757d;
    font-size: 0.9rem;
}

.info-card {
    border-radius: 15px;
    border: none;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.info-card h5 {
    font-weight: 600;
    color: #2C5364;
    margin-bottom: 15px;
}

.tips-list {
    list-style: none;
    padding-left: 0;
}

.tips-list li {
    padding: 8px 0;
    border-bottom: 1px dashed #e9ecef;
    position: relative;
    padding-left: 25px;
}

.tips-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2C5364;
    font-weight: bold;
}

.tips-list li:last-child {
    border-bottom: none;
}

#response-content {
    min-height: 120px;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    font-family: 'Poppins', sans-serif;
    line-height: 1.7;
    font-size: 1rem;
    color: #333;
    border: 1px solid #e9ecef !important;
    background-color: #f8f9fa !important;
    border-radius: 10px;
}

#generate-btn {
    background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
    border: none;
    padding: 12px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

#generate-btn:hover {
    background: linear-gradient(135deg, #2C5364, #203A43, #0F2027);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    color: #2C5364;
}

textarea.form-control {
    border: 1px solid #ced4da;
    border-radius: 10px;
    padding: 15px;
    font-size: 1rem;
    resize: vertical;
    min-height: 120px;
    transition: all 0.3s ease;
}

textarea.form-control:focus {
    border-color: #2C5364;
    box-shadow: 0 0 0 0.25rem rgba(44, 83, 100, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.footer {
    margin-top: auto;
    padding: 1.5rem 0;
    color: #6c757d;
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

/* Sohbet Stili */
#chat-container {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.chat-message {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 10px;
    position: relative;
    max-width: 90%;
}

.user-message {
    background-color: #e6f3ff;
    margin-left: auto;
    border-top-right-radius: 0;
}

.assistant-message {
    background-color: #f8f9fa;
    margin-right: auto;
    border-top-left-radius: 0;
}

.message-header {
    margin-bottom: 8px;
    font-size: 0.9em;
    color: #2C5364;
}

.message-content {
    white-space: pre-wrap;
    line-height: 1.5;
}

.message-input-container {
    display: flex;
    gap: 10px;
    position: relative;
}

.message-input-container textarea {
    min-height: 60px; 
    max-height: 150px;
    padding-right: 60px;
}

.message-input-container #generate-btn {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 10;
}

#clear-chat-btn {
    font-size: 0.8rem;
    border-color: rgba(255, 255, 255, 0.5);
    padding: 0.375rem 0.75rem;
}

#clear-chat-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .card-header h2 {
        font-size: 1.8rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .chat-message {
        max-width: 100%;
    }
}