/* Input area */
.input-container {
    padding: 24px;
    background: var(--chat-bg);
    border-top: 1px solid var(--border-color);
    position: sticky;
    bottom: 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 -8px 32px rgba(65, 105, 225, 0.1);
}

.input-box {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.chat-input {
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 18px 60px 18px 20px;
    width: 100%;
    resize: none;
    min-height: 64px;
    max-height: 240px;
    box-shadow: var(--shadow-soft);
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Outfit', sans-serif;
    font-size: 1.1125rem;
    font-weight: 400;
    overflow-y: auto;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFF 100%);
    backdrop-filter: blur(10px);
    line-height: 1.7;
    letter-spacing: 0.005em;
}

.chat-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(65, 105, 225, 0.15), var(--shadow-medium);
    transform: translateY(-2px);
}