:root {
    --bg-warm: #f7f5f0;
    --card-bg: #ffffff;
    --primary-gold: #c5a059;
    --primary-gold-dark: #a37f3e;
    --text-dark: #1c1b18;
    --text-muted: #78756e;
    --bubble-guest: #1c1b18;
    --bubble-guest-text: #f7f5f0;
    --bubble-concierge: #ffffff;
    --bubble-concierge-border: #eae6df;
    --border-color: #e6e2d8;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-warm);
    font-family: var(--font-body);
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* App Frame Container */
.app-container {
    width: 100%;
    max-width: 480px;
    height: 100vh;
    max-height: 920px;
    background-color: var(--bg-warm);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

@media (min-width: 576px) {
    .app-container {
        height: 92vh;
        border-radius: 24px;
        border: 1px solid var(--border-color);
    }
}

/* Header */
.concierge-header {
    padding: 18px 24px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.hotel-brand {
    display: flex;
    flex-direction: column;
}

.hotel-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-dark);
    line-height: 1.1;
}

.concierge-subtitle {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    color: var(--primary-gold);
    font-weight: 600;
    margin-top: 2px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(197, 160, 89, 0.08);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(197, 160, 89, 0.2);
}

.status-dot {
    width: 7px;
    height: 7px;
    background-color: #2e7d32;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.2);
}

.status-text {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* Quick Actions Bar */
.quick-actions-bar {
    padding: 12px 16px;
    background-color: transparent;
}

.quick-actions-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
}

.quick-actions-scroll::-webkit-scrollbar {
    display: none;
}

.quick-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.quick-btn svg {
    color: var(--primary-gold);
}

.quick-btn:hover, .quick-btn:active {
    background-color: var(--primary-gold);
    color: #ffffff;
    border-color: var(--primary-gold);
}

.quick-btn:hover svg, .quick-btn:active svg {
    color: #ffffff;
}

/* Chat Area */
.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

/* Messages */
.message-wrapper {
    display: flex;
    gap: 10px;
    max-width: 85%;
    animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-wrapper.concierge {
    align-self: flex-start;
}

.message-wrapper.guest {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--text-dark);
    color: var(--primary-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.88rem;
    line-height: 1.5;
    position: relative;
    box-shadow: var(--shadow-soft);
}

.message-wrapper.concierge .message-bubble {
    background-color: var(--bubble-concierge);
    border: 1px solid var(--bubble-concierge-border);
    border-top-left-radius: 4px;
    color: var(--text-dark);
}

.message-wrapper.guest .message-bubble {
    background-color: var(--bubble-guest);
    color: var(--bubble-guest-text);
    border-top-right-radius: 4px;
}

.sender-name {
    font-family: var(--font-heading);
    font-size: 0.68rem;
    letter-spacing: 1px;
    color: var(--primary-gold);
    margin-bottom: 4px;
    font-weight: 600;
}

.message-content {
    word-break: break-word;
}

/* Typing Indicator */
.typing-container {
    padding: 0 24px 10px 24px;
    display: none;
}

.typing-container.htmx-request {
    display: block;
}

.typing-bubble {
    background-color: #ffffff;
    border: 1px solid var(--bubble-concierge-border);
    padding: 10px 16px;
    border-radius: 16px;
    border-top-left-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: var(--shadow-soft);
}

.typing-bubble span {
    width: 6px;
    height: 6px;
    background-color: var(--primary-gold);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-bubble span:nth-child(1) { animation-delay: -0.32s; }
.typing-bubble span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* Input Area */
.input-area {
    padding: 14px 20px 20px 20px;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
}

.input-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--bg-warm);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 4px 6px 4px 16px;
    transition: border-color 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--primary-gold);
}

.chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.88rem;
    color: var(--text-dark);
    outline: none;
    padding: 8px 0;
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background-color: var(--text-dark);
    color: var(--primary-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.send-btn:hover {
    background-color: var(--primary-gold);
    color: #ffffff;
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}