/* --- Custom Theme --- */
:root {
    --primary-color: #00bcd4;
    --chatgpt-dark-main: #343541;
    --chatgpt-dark-sidebar: #202123;
    --chatgpt-dark-input: #40414F;
    --chatgpt-text-light: #ECECF1;
    --chatgpt-text-dark: #AAB3BC;
    --user-bubble: #40414F; /* Darker bubble for user */
    --agent-bubble: #444654; /* Lighter bubble for agent (ChatGPT style) */
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--chatgpt-dark-main);
    color: var(--chatgpt-text-light);
}

/* ... (Helper classes .hidden, .fade-in, .fade-out and keyframes are unchanged) ... */
.hidden {
    display: none !important;
}
.fade-out {
    animation: fadeOut 0.3s forwards;
}
.fade-in {
    animation: fadeIn 0.3s forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}


/* --- Sidebar Styling --- */
.sidebar {
    background-color: var(--chatgpt-dark-sidebar);
    border-right: 1px solid var(--chatgpt-dark-input);
}
.agent-link {
    color: var(--chatgpt-text-light);
    transition: background-color 0.2s, color 0.2s;
}
.agent-link:hover {
    background-color: var(--chatgpt-dark-input);
}
.agent-link:focus,
.agent-link.active {
    background-color: var(--primary-color);
    color: var(--chatgpt-dark-sidebar);
    font-weight: 600;
}
.new-agent-highlight {
    animation: pulse-highlight 2.5s ease-out;
}
@keyframes pulse-highlight {
    0% {
        background-color: var(--chatgpt-dark-sidebar);
        box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.7);
    }
    30% {
        background-color: var(--primary-color);
        box-shadow: 0 0 0 10px rgba(0, 188, 212, 0);
        color: var(--chatgpt-dark-sidebar);
        font-weight: 600;
    }
    100% {
        background-color: var(--chatgpt-dark-sidebar);
        box-shadow: 0 0 0 0 rgba(0, 188, 212, 0);
    }
}


/* --- Main Content: Builder --- */
.prompt-input {
    background-color: var(--chatgpt-dark-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--chatgpt-text-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.prompt-input::placeholder {
    color: var(--chatgpt-text-dark);
    opacity: 0.8;
}
.prompt-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.3);
}
.build-button {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
}
.build-button:hover { background-color: #00acc1; }
.build-button:active { transform: scale(0.98); }
.build-button:disabled {
    background-color: var(--chatgpt-dark-input);
    color: var(--chatgpt-text-dark);
    cursor: not-allowed;
}
.settings-button {
    color: var(--chatgpt-text-dark);
    transition: color 0.2s, background-color 0.2s;
}
.settings-button:hover {
    color: var(--chatgpt-text-light);
    background-color: var(--chatgpt-dark-input);
}

/* --- Loading Spinner --- */
.thinking-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto;
    animation: spin 1.2s linear infinite;
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Modal Styles (Unchanged) --- */
.modal-overlay {
    position: fixed; inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    z-index: 50;
    animation: fadeIn 0.3s ease-out;
}
.modal-content {
    background-color: var(--chatgpt-dark-main);
    border-radius: 12px;
    border: 1px solid var(--chatgpt-dark-input);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.3s ease-out;
    transform: translateY(-10px);
}
.modal-checkbox-label {
    display: flex; align-items: center; cursor: pointer;
    padding: 10px 12px; border-radius: 8px;
    background-color: var(--chatgpt-dark-input);
    border: 1px solid var(--chatgpt-dark-input);
    transition: all 0.2s;
}
.modal-checkbox-label:hover { background-color: #4a4b57; }
.modal-checkbox { display: none; }
.modal-checkbox-custom {
    width: 18px; height: 18px;
    border: 2px solid var(--chatgpt-text-dark);
    border-radius: 4px; margin-right: 12px;
    transition: all 0.2s;
    display: flex; align-items: center; justify-content: center;
}
.modal-checkbox-custom svg { opacity: 0; transform: scale(0.5); transition: all 0.2s; }
.modal-checkbox:checked + .modal-checkbox-custom {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}
.modal-checkbox:checked + .modal-checkbox-custom svg {
    opacity: 1; transform: scale(1); color: white;
}
.modal-select {
    background-color: var(--chatgpt-dark-input);
    border: 1px solid var(--chatgpt-text-dark);
    color: var(--chatgpt-text-light);
    border-radius: 8px; padding: 10px 12px;
    width: 100%; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23AAB3BC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}
.modal-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.3);
}
.modal-button-secondary {
    padding: 10px 16px; border-radius: 8px;
    background-color: var(--chatgpt-dark-input);
    color: var(--chatgpt-text-light);
    font-weight: 500;
    transition: background-color 0.2s;
}
.modal-button-secondary:hover { background-color: #4a4b57; }
.modal-button-primary {
    padding: 10px 16px; border-radius: 8px;
    background-color: var(--primary-color);
    color: white; font-weight: 500;
    transition: background-color 0.2s;
}
.modal-button-primary:hover { background-color: #00acc1; }


/* --- Chat View Styles --- */

.tab-button {
    padding: 10px 16px;
    font-weight: 500;
    color: var(--chatgpt-text-dark);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tab-button:hover {
    color: var(--chatgpt-text-light);
}
.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.tab-button:disabled {
    color: #555;
    cursor: not-allowed;
}

#chat-messages {
    scrollbar-width: thin;
    scrollbar-color: var(--chatgpt-dark-input) var(--chatgpt-dark-main);
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
    word-wrap: break-word;
    white-space: pre-wrap; /* Preserve newlines */
}
.message-bubble.user {
    background-color: var(--user-bubble);
    color: var(--chatgpt-text-light);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.message-bubble.agent {
    background-color: var(--agent-bubble);
    color: var(--chatgpt-text-light);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

/* RTL/LTR styles */
.message-bubble.ltr {
    direction: ltr;
    text-align: left;
}
.message-bubble.rtl {
    direction: rtl;
    text-align: right;
}

/* Thinking bubble */
.message-bubble.thinking {
    color: var(--chatgpt-text-dark);
    animation: blink 1.5s infinite;
}
@keyframes blink {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

/* Chat Input */
.chat-input {
    background-color: var(--chatgpt-dark-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--chatgpt-text-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    resize: none; /* Disable manual resize */
    scrollbar-width: none; /* Hide scrollbar */
    max-height: 200px; /* Limit height */
}
.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.3);
}

.chat-send-button {
    background-color: var(--primary-color);
    color: white;
    transition: background-color 0.2s;
}
.chat-send-button:hover {
    background-color: #00acc1;
}
.chat-send-button:disabled {
    background-color: var(--chatgpt-dark-input);
    color: var(--chatgpt-text-dark);
}
/* --- NEW: Voice Call Styles --- */
.call-button {
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}
.call-button.start {
    background-color: #4CAF50; /* Green */
}
.call-button.start:hover {
    background-color: #45a049;
}
.call-button.end {
    background-color: #f44336; /* Red */
}
.call-button.end:hover {
    background-color: #d32f2f;
}

#voice-log {
    scrollbar-width: thin;
    scrollbar-color: var(--chatgpt-dark-input) var(--chatgpt-dark-main);
}
.voice-log-entry {
    padding: 10px 14px;
    border-radius: 8px;
    max-width: 80%;
}
.voice-log-entry.user {
    background-color: var(--user-bubble);
    color: var(--chatgpt-text-light);
    align-self: flex-end;
}
.voice-log-entry.agent {
    background-color: var(--agent-bubble);
    color: var(--chatgpt-text-light);
    align-self: flex-start;
}
.voice-log-entry.status {
    background-color: transparent;
    color: var(--chatgpt-text-dark);
    font-style: italic;
    text-align: center;
    align-self: center;
    font-size: 0.9rem;
}
/* --- NEW: Agent Action Button Styles --- */
.agent-link-container {
    border-radius: 0.5rem; /* 8px */
    transition: background-color 0.15s ease-in-out;
}
.agent-link-container:hover,
.agent-link-container.active {
    background-color: var(--chatgpt-dark-input);
}

.agent-link-text {
    cursor: pointer;
}

.agent-actions {
    display: none; /* Hidden by default */
    gap: 8px;
}

.agent-link-container:hover .agent-actions,
.agent-link-container.active .agent-actions {
    display: flex; /* Show on hover or if active */
}

.agent-action-button {
    background: none;
    border: none;
    padding: 6px;
    color: var(--primary-color);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.agent-action-button:hover {
    background-color: var(--chatgpt-dark-main);
    color: #00e5ff;
}

.agent-action-button.delete {
    /* --- NEW: Explicit red color --- */
    color: #F87171; /* red-400 */
}
.agent-action-button.delete:hover {
    background-color: #572a2a; /* Dark red */
    color: #fca5a5; /* Light red */
}

/* --- NEW: Delete Confirmation Modal Button --- */
.modal-button-danger {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    background-color: #EF4444; /* red-500 */
    color: white;
    transition: background-color 0.15s ease-in-out;
}
.modal-button-danger:hover {
    background-color: #DC2626; /* red-600 */
}
/* --- ADD THIS --- */
.modal-textarea {
    background-color: var(--chatgpt-dark-input);
    border: 1px solid var(--chatgpt-dark-border);
    color: var(--chatgpt-text-light);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.9rem;
    width: 100%;
}
.modal-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}
#voice-tab-content > div:last-child {
    text-align: center;
}
#settings-modal .modal-content {
    max-width: 42rem; /* 672px */
}

/* 2. Change language grid from 2 columns to 3 */
#modal-supported-languages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.call-button.interrupt {
    background-color: #f59e0b; /* Amber/Yellow */
    color: #432818; /* Dark brown text for contrast */
}
.call-button.interrupt:hover {
    background-color: #d97706;
}