/* style.css - Multi-Theme, Responsive Edition */
/* Default theme (dark) is defined in :root. Other themes override these variables. */
/* The active theme is set by a class on the <html> tag via JavaScript. */

:root {
    --primary-color: #ba3f1f;
    --secondary-color: #F2CC8F;
    --background-color: #121212;
    --text-color: #F4F1DE;
    --text-color-alt: #464540;
    --ghost-glow-color: #5fbde033;
    --input-background: rgba(45, 45, 45, 0.6);
    --control-background: rgba(55, 55, 55, 0.4);
    --message-user-bg: rgba(75, 80, 110, 0.5);
    --message-bot-bg: rgba(55, 55, 55, 0.4);
    --border-color: rgba(75, 80, 110, 0.2);
    --message-fade-color: rgba(24, 24, 24, 0.0);
    --success-color: #28a745;
    --error-color: #dc3545;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h2 {
    font-family: 'Roboto Slab', serif;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    font-size: clamp(2.5rem, 5vw, 5.5rem);
    opacity: 0.9;
    background: linear-gradient(90deg, #ff3500, var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
    opacity: 0.8;
}

a:hover {
    color: var(--secondary-color);
    opacity: 1;
}

header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-image: linear-gradient(to bottom, #1A1A1A 0%, #282828 100%);
    box-shadow: 0 0 20px var(--ghost-glow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-image 0.4s ease, box-shadow 0.4s ease;
}

.logo-container {
    flex: 0 0 auto;
}

.logo {
    font-family: 'Roboto Slab', serif;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 700;
    background: linear-gradient(90deg, #ff3500, var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    opacity: 0.8;
    transition: color 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
    font-size: 0.9rem;
    padding: 0.4rem 0.6rem;
    border-radius: 5px;
}

.nav-links a:hover {
    color: var(--secondary-color);
    opacity: 1;
    background-color: var(--control-background);
}

.chatbot-container.ghostly-theme, .container {
    max-width: 90%;
    /*margin: 2rem auto;
    padding: 1rem;*/
    border-radius: 10px;
    box-shadow: 0 0 20px var(--ghost-glow-color);
    background-image: linear-gradient(to bottom, #1A1A1A 0%, #282828 100%);
    transition: background-image 0.4s ease, box-shadow 0.4s ease;
}
.chatbot-container.ghostly-theme {
    display: flex;
    flex-direction: column;
    min-height: 80vh;
}
.container {
    max-width: 60%;
}

.chat-input-area {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--input-background);
    border-radius: 8px;
    transition: background-color 0.4s ease;
}

.chat-input-area textarea {
    background-color: var(--control-background);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    padding: 0.75rem;
    font-size: 1rem;
    resize: vertical;
    min-height: 60px;
    max-height: 150px;
    width: 100%;
    opacity: 0.9;
}

.chat-input-area button {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 600;
    opacity: 0.9;
}

.chat-input-area button:hover {
    filter: brightness(1.2);
}

.ghost-chat-window {
    background-color: transparent;
    border: none;
    padding: 0;
    flex-grow: 1;
    overflow-y: auto;
    max-height: 120vh;
}

#chat-history {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
}

.chat-entry {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.chat-entry .sender {
    font-weight: 600;
    color: var(--primary-color);
    opacity: 0.8;
    font-size: 0.9rem;
}

.chat-entry .message-content {
    padding: 0.5rem 0.75rem;
    border-radius: 10px;
    word-wrap: break-word;
    opacity: 1;
    max-width: 100%;
    transition: background-color 0.4s ease;
    position: relative;
}

.user-message .message-content {
    background-color: var(--message-user-bg);
    color: var(--text-color);
    align-self: flex-end;
}

.bot-message .message-content {
    background-color: var(--message-bot-bg);
    color: var(--text-color);
}

.bot-message .message-content a {
    color: #ffd842 !important;
    opacity: 1 !important;
}

.message-content p { margin: 0 0 0.4rem 0; }
.message-content strong { font-weight: 700; color: var(--secondary-color); }
.message-content code { background-color: rgba(40, 40, 40, 0.6); color: var(--secondary-color); padding: 0.2rem 0.4rem; border-radius: 3px; }
.message-content pre { background-color: rgba(40, 40, 40, 0.6); color: var(--secondary-color); padding: 0.5rem; border-radius: 5px; overflow-x: auto; }
.message-content ul, .message-content ol { margin: 0.4rem 0 0.4rem 1rem; padding-left: 1rem; }
.message-content li { margin-bottom: 0.2rem; }
.bot-message .message-content h1, .bot-message .message-content h2 { font-family: 'Roboto Slab', serif; font-weight: 700; text-align: center; margin-bottom: 1rem; opacity: 0.9; background: linear-gradient(90deg, #ff3500, var(--secondary-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.bot-message .message-content h1 { font-size: clamp(1.5rem, 4vw, 3rem) !important; }
.bot-message .message-content h2 { font-size: clamp(1.2rem, 3vw, 2rem) !important; }

.chat-input-area button#clear-button { background-color: var(--ghost-glow-color) }
.chat-input-area button#clear-button:hover { background-color: #777; }

.error-message {
    color: var(--error-color);
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error-color);
    padding: 0.5rem;
    border-radius: 5px;
}
.error-message a {
    color: var(--error-color) !important;
    font-weight: bold;
    text-decoration: underline;
}

@media (min-width: 768px) {
    .chatbot-container.ghostly-theme { max-width: 900px; }
    .chat-input-area { flex-direction: row; align-items: center; }
    .chat-input-area textarea { flex-grow: 1; }
    .user-message .message-content { margin-left: 20%; }
}

@media (max-width: 767px) {
    body { font-size: 14px; }
    .container, .chatbot-container.ghostly-theme { max-width: 95%; margin: 1rem auto; }
    .chatbot-container.ghostly-theme { min-height: 90vh; }
    .ghost-chat-window { max-height: 120vh; }
    .chat-entry .message-content { max-width: 99%; }
    .nav-links { margin-top: 0.5rem; gap: 0.75rem; }
}

.ghost-chat-window::-webkit-scrollbar { width: 4px; }
.ghost-chat-window::-webkit-scrollbar-track { background: transparent; }
.ghost-chat-window::-webkit-scrollbar-thumb { background: var(--ghost-glow-color); border-radius: 2px; }
.ghost-chat-window::-webkit-scrollbar-thumb:hover { background: rgba(198, 97, 71, 0.4); }

/* --- TOKEN, DASHBOARD, AND PAYMENT STYLES --- */
.token-balance-display {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-weight: 600;
    color: var(--secondary-color);
}
.token-balance-display .fa-coins {
    color: var(--secondary-color);
}
.dashboard-content {
    text-align: center;
}
.credit-balance-container {
    background-color: var(--input-background);
    padding: 1rem 2rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}
.credit-balance-container p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.8;
}
.credit-balance-container h1 {
    margin: 0.5rem 0 0 0;
    font-size: 3rem;
    color: var(--primary-color);
    font-family: 'Roboto Slab', serif;
}
.purchase-options form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}
.purchase-btn {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: filter 0.2s ease;
    font-size: 1.1rem;
    font-weight: 600;
    width: 100%;
}
.purchase-btn:hover {
    filter: brightness(1.2);
}
.payment-message {
    padding: 1rem;
    border-radius: 5px;
    font-weight: 600;
}
.payment-message.success {
    background-color: rgba(40, 167, 69, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}
.payment-message.error {
    background-color: rgba(220, 53, 69, 0.2);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}


/* --- THEME TOGGLE BUTTON & ADDITIONAL THEMES --- */
.theme-toggle { background: none; border: none; color: var(--text-color); cursor: pointer; font-size: 1.2rem; padding: 0.4rem; margin-left: 0.5rem; opacity: 0.8; transition: color 0.3s ease, opacity 0.3s ease; border-radius: 50%;}
.theme-toggle:hover { color: var(--secondary-color); opacity: 1; background-color: var(--control-background); }

/* 1. Light Theme (DEFAULT) */
html.light-mode { --primary-color: #d9534f; --secondary-color: #f0ad4e; --background-color: #f4f4f4; --text-color: #333333; --ghost-glow-color: rgba(0, 0, 0, 0.1); --input-background: #ffffff; --control-background: #fdfdfd; --message-user-bg: #dcedc8; --message-bot-bg: #e1f5fe; --border-color: #dddddd; --success-color: #1e7e34; --error-color: #c82333; }
html.light-mode header { background-image: linear-gradient(to bottom, #ffffff 0%, #f1f1f1 100%); }
html.light-mode .chatbot-container.ghostly-theme, html.light-mode .container { background-image: linear-gradient(to bottom, #ffffff 0%, #f9f9f9 100%); }
html.light-mode h2, html.light-mode .logo, html.light-mode .bot-message .message-content h1, html.light-mode .bot-message .message-content h2 { background: linear-gradient(90deg, #d9534f, #5e2ca5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
html.light-mode .message-content code, html.light-mode .message-content pre { background-color: #f5f5f5; color: #c7254e; border: 1px solid #ddd; }
html.light-mode .bot-message .message-content a { color: #0275d8 !important; }

/* 2. Natural Theme */
html.natural-mode { --primary-color: #6A994E; --secondary-color: #A7C957; --background-color: #FBF7F0; --text-color: #3C2A21; --ghost-glow-color: rgba(106, 153, 78, 0.2); --input-background: #F5F1E9; --control-background: #FDFBF6; --message-user-bg: #E9F5DB; --message-bot-bg: #CFE1B9; --border-color: #D4CFC6; }
html.natural-mode header { background-image: linear-gradient(to bottom, #f7f2e8 0%, #ede7da 100%); }
html.natural-mode .chatbot-container.ghostly-theme, html.natural-mode .container { background-image: linear-gradient(to bottom, #f7f2e8 0%, #f1ebd8 100%); }
html.natural-mode h2, html.natural-mode .logo, html.natural-mode .bot-message .message-content h1, html.natural-mode .bot-message .message-content h2 { background: linear-gradient(90deg, #6A994E, #386641); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
html.natural-mode .bot-message .message-content a { color: #386641 !important; }

/* 3. Ocean Theme */
html.ocean-mode { --primary-color: #64bec2; --secondary-color: #66A5AD; --background-color: #E6F4F1; --text-color: #003B46; --text-color-alt:#04bedf ; --ghost-glow-color: rgba(7, 87, 91, 0.2); --input-background: #D7ECE7; --control-background: #EFF7F5; --message-user-bg: #C4DFE6; --message-bot-bg: #A3CED6; --border-color: #B2D4D9; }
html.ocean-mode header { background-image: linear-gradient(to bottom, #e3f0ed 0%, #d8e8e5 100%); }
html.ocean-mode .chatbot-container.ghostly-theme, html.ocean-mode .container { background-image: linear-gradient(to bottom, #e3f0ed 0%, #dcefe9 100%); }
html.ocean-mode h2, html.ocean-mode .logo, html.ocean-mode .bot-message .message-content h1, html.ocean-mode .bot-message .message-content h2 { background: linear-gradient(90deg, #07575B, #00A8A8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
html.ocean-mode .bot-message .message-content a { color: #00A8A8 !important; }

/* 4. Sunset Theme */
html.sunset-mode { --primary-color: #D94A5B; --secondary-color: #F4A663; --background-color: #2E1C2B; --text-color: #FDE8E9; --ghost-glow-color: rgba(217, 74, 91, 0.2); --input-background: rgba(66, 37, 62, 0.6); --control-background: rgba(76, 42, 69, 0.4); --message-user-bg: rgba(76, 42, 69, 0.7); --message-bot-bg: rgba(56, 32, 52, 0.6); --border-color: rgba(217, 74, 91, 0.2); }
html.sunset-mode header { background-image: linear-gradient(to bottom, #3a2236 0%, #2e1c2b 100%); }
html.sunset-mode .chatbot-container.ghostly-theme, html.sunset-mode .container { background-image: linear-gradient(to bottom, #3a2236 0%, #2e1c2b 100%); }
html.sunset-mode h2, html.sunset-mode .logo, html.sunset-mode .bot-message .message-content h1, html.sunset-mode .bot-message .message-content h2 { background: linear-gradient(90deg, #FF8C61, #EE4D68); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
html.sunset-mode .bot-message .message-content a { color: #F4A663 !important; }

/* --- Message Action Buttons --- */
.message-actions { position: absolute; top: 5px; right: 8px; display: flex; gap: 5px; opacity: 0; transition: opacity 0.2s ease-in-out; background-color: rgba(0, 0, 0, 0.1); padding: 3px 5px; border-radius: 5px; z-index: 10; }
.bot-message .message-content:hover .message-actions { opacity: 1; }
.action-btn { background: none; border: none; color: var(--text-color); cursor: pointer; font-size: 0.8rem; opacity: 0.7; transition: opacity 0.2s ease, color 0.2s ease; padding: 2px; }
.action-btn:hover { opacity: 1; color: var(--secondary-color); }

/* --- Agent Selector Dropdown --- */
.agent-selector-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.agent-selector-dropdown {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: var(--control-background);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.4rem 2rem 0.4rem 0.6rem; /* Make space for the arrow */
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.agent-selector-dropdown:hover {
    opacity: 1;
    border-color: var(--secondary-color);
    background-color: var(--message-bot-bg);
}

.agent-selector-dropdown:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--secondary-color);
}

/* Custom dropdown arrow */
.agent-selector-wrapper::after {
    content: '\f078'; /* Font Awesome chevron-down icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.8rem;
    color: var(--text-color);
    opacity: 0.6;
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none; /* Allows clicks to pass through to the select element */
    transition: opacity 0.3s ease;
}

.agent-selector-wrapper:hover::after {
    opacity: 1;
}
.login-container {
display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    max-width: 90%;
    margin: 2rem auto;
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 0 20px var(--ghost-glow-color);
    background-image: linear-gradient(to bottom, #1A1A1A 0%, #282828 100%);
    transition: background-image 0.4s ease, box-shadow 0.4s ease;
    align-items: center;

}
.login-container input {
    line-height: 3em;
    border-radius: 20px;
    padding: 10px;
    padding-left: 20px;
    font-weight: 900;
}
.login-button {
    background-color: var(--primary-color);
    /*color: var(--text-color-alt);*/
    color: var(--background-color);
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 600;
    opacity: 0.9;
    font-size: x-large;
    margin: 10px;
}

.login-button:hover {
    filter: brightness(1.2);
}
.login-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}