/* Modern Blue Chatbot Design */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");
:root { --dark-blue: #1e3a5f; --blue: #2563eb; --light-blue: #3b82f6; --white: #ffffff; --grey-bg: #e5e5e5; --text-dark: #1f2937; --text-light: #6b7280; --border: #e5e7eb; }
body { background: var(--grey-bg); min-height: 100vh; margin: 0; padding: 20px; box-sizing: border-box; font-family: Inter, sans-serif; }
.chatbot-container { background: var(--white); border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.15); max-width: 580px; margin: 0 auto; overflow: hidden; display: flex; flex-direction: column; height: calc(100vh - 40px); max-height: 780px; }
.chatbot-header { background: var(--dark-blue); color: white; padding: 22px 26px; }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { background: var(--white); color: var(--dark-blue); width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.logo-text { font-weight: 600; font-size: 20px; }
.progress-container { text-align: right; }
.progress-bar { width: 110px; height: 6px; background: rgba(255,255,255,0.25); border-radius: 3px; overflow: hidden; margin-bottom: 6px; }
.progress-fill { height: 100%; background: var(--light-blue); border-radius: 3px; transition: width 0.4s ease; width: 10%; }
.progress-text { font-size: 12px; opacity: 0.85; }
.chat-area { flex: 1; overflow-y: auto; padding: 32px 28px; display: flex; flex-direction: column; background: var(--white); }
.messages-container { display: flex; flex-direction: column; justify-content: center; flex: 1; }
.message { display: flex; align-items: flex-start; gap: 14px; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.message .avatar { background: var(--dark-blue); color: white; width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }
.message .bubble { background: #f3f4f6; padding: 18px 22px; border-radius: 18px; border-top-left-radius: 4px; font-size: 20px; font-weight: 600; line-height: 1.4; color: var(--text-dark); max-width: 85%; }
.input-area { padding: 24px 28px 28px; background: var(--white); border-top: 1px solid var(--border); }
.options-grid { display: flex; flex-direction: column; gap: 10px; }
.option-btn { background: var(--white); border: 2px solid var(--border); padding: 16px 20px; border-radius: 12px; font-size: 16px; font-weight: 500; cursor: pointer; transition: all 0.2s ease; text-align: left; color: var(--text-dark); }
.option-btn:hover { border-color: var(--blue); background: #eff6ff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.15); }
.primary-btn { background: var(--blue); color: var(--white); border: none; padding: 16px 32px; border-radius: 12px; font-size: 16px; font-weight: 600; cursor: pointer; width: 100%; transition: all 0.2s ease; box-shadow: 0 4px 14px rgba(37,99,235,0.25); }
.primary-btn:hover { background: var(--light-blue); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.3); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.input-area form { display: flex; flex-direction: column; gap: 14px; }
.input-area input, .input-area textarea { width: 100%; padding: 14px 18px; border: 2px solid var(--border); border-radius: 10px; font-size: 16px; font-family: Inter, sans-serif; transition: all 0.2s ease; box-sizing: border-box; color: var(--text-dark); }
.input-area input:focus, .input-area textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.input-area input::placeholder { color: var(--text-light); }
.summary-container { margin-bottom: 18px; }
.summary-box { background: #f9fafb; border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.summary-box div { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.summary-box div:last-child { border-bottom: none; }
.summary-box b { color: var(--text-light); font-weight: 500; }
.success-message { text-align: center; padding: 32px 20px; }
.success-icon { width: 72px; height: 72px; background: #10b981; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; margin: 0 auto 20px; }
.success-message p { color: var(--text-light); font-size: 16px; margin: 0; line-height: 1.6; }
@media (max-width: 480px) { body { padding: 12px; } .chatbot-container { border-radius: 16px; height: calc(100vh - 24px); } .chatbot-header { padding: 18px 20px; } .logo-text { font-size: 17px; } .chat-area { padding: 24px 18px; } .input-area { padding: 18px; } .message .bubble { font-size: 18px; padding: 14px 18px; } .option-btn { padding: 14px 16px; font-size: 15px; } }