/* Glassmorphism & Premium Design */
:root {
    --gemini-primary: #0073aa; /* Default overridden by JS/PHP */
    --gemini-bg: #ffffff;
    --gemini-text: #333333;
    --gemini-light-bg: #f4f6f8;
    --gemini-bot-bg: #e9eff5;
    --gemini-user-bg: var(--gemini-primary);
    --gemini-user-text: #ffffff;
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius: 12px;
}

#gemini-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99999;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Toggle Button */
#gemini-chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gemini-primary);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

#gemini-chat-toggle:hover {
    transform: scale(1.05);
}

#gemini-chat-toggle span {
    color: white;
    font-size: 24px;
}

#gemini-chat-toggle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

/* Chat Window */
#gemini-chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 500px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.3s, transform 0.3s;
    border: 1px solid rgba(0,0,0,0.05);
}

#gemini-chat-window.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}

/* Header */
.gemini-chat-header {
    padding: 15px;
    background: var(--gemini-primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gemini-header-title {
    display: flex;
    align-items: center;
    font-weight: 600;
}

.gemini-header-title .mini-logo {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 8px;
    border: 1px solid rgba(255,255,255,0.3);
}

#gemini-chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.8;
}

#gemini-chat-close:hover {
    opacity: 1;
}

/* Messages */
#gemini-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: var(--gemini-light-bg);
}

.gemini-message {
    padding: 10px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
    max-width: 80%;
    font-size: 14px;
    line-height: 1.5;
}

.gemini-message.bot {
    background: var(--gemini-bot-bg);
    color: var(--gemini-text);
    border-bottom-left-radius: 2px;
}

.gemini-message.user {
    background: var(--gemini-user-bg);
    color: var(--gemini-user-text);
    margin-left: auto;
    border-bottom-right-radius: 2px;
}

/* Typing Indicator */
.typing {
    font-style: italic;
    font-size: 12px;
    color: #888;
    margin-bottom: 5px;
}

/* Input Area */
.gemini-chat-input-area {
    padding: 15px;
    background: white;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
}

#gemini-chat-input {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 8px 15px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

#gemini-chat-input:focus {
    border-color: var(--gemini-primary);
}

#gemini-chat-send {
    background: var(--gemini-primary);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#gemini-chat-send:hover {
    filter: brightness(110%);
}