/* Roblox AI Assistant - Premium Dark Theme with Auth */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-elevated: #22222f;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: rgba(255, 255, 255, 0.08);
    --success: #22c55e;
    --error: #ef4444;
    --sidebar-width: 260px;
    --transition-fast: 0.15s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Inter', sans-serif; background: var(--bg-primary); color: var(--text-primary); font-size: 14px; overflow: hidden; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }

.app-container {
    display: flex;
    height: 100vh;
    background: radial-gradient(ellipse at top left, rgba(99, 102, 241, 0.1) 0%, transparent 50%), var(--bg-primary);
    transition: filter 0.3s ease;
}

.blur-content { filter: blur(5px); pointer-events: none; }

/* Auth Overlay */
.auth-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex; justify-content: center; align-items: center;
    opacity: 1; transition: opacity 0.3s ease;
}
.auth-overlay.hidden { opacity: 0; pointer-events: none; }

.auth-container {
    width: 360px; padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.auth-header { text-align: center; margin-bottom: 24px; }
.auth-header .logo-icon { font-size: 40px; margin-bottom: 16px; }
.auth-header h2 { font-size: 24px; margin-bottom: 8px; font-weight: 700; }
.auth-header p { color: var(--text-secondary); }

.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { color: var(--text-secondary); font-size: 12px; font-weight: 500; }
.form-group input {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    outline: none; transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--accent-primary); }

.auth-btn {
    padding: 12px; margin-top: 8px;
    background: var(--accent-gradient);
    border: none; border-radius: 10px;
    color: white; font-weight: 600; cursor: pointer;
    transition: transform 0.1s;
}
.auth-btn:hover { transform: scale(1.02); }
.auth-btn.secondary { background: var(--bg-tertiary); color: var(--text-secondary); }
.auth-btn.secondary:hover { background: var(--bg-elevated); color: var(--text-primary); }

.auth-error { color: var(--error); font-size: 12px; text-align: center; min-height: 18px; }

/* Sidebar */
.sidebar { width: var(--sidebar-width); background: var(--bg-secondary); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; }
.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border-color); }
.logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.logo-icon { font-size: 24px; }
.logo-text { font-size: 18px; font-weight: 700; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.user-profile {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; background: var(--bg-tertiary);
    border-radius: 8px; margin-top: 10px;
}
.username { font-weight: 600; font-size: 13px; }
.logout-btn { background: none; border: none; font-size: 16px; cursor: pointer; opacity: 0.6; transition: opacity 0.2s; }
.logout-btn:hover { opacity: 1; }

.chat-tabs-header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.new-chat-btn { width: 24px; height: 24px; border-radius: 6px; background: var(--accent-primary); border: none; color: white; font-size: 16px; cursor: pointer; transition: var(--transition-fast); }
.new-chat-btn:hover { background: var(--accent-secondary); transform: scale(1.1); }

.chat-tabs { flex: 1; overflow-y: auto; padding: 0 8px; }
.chat-tab { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; margin-bottom: 4px; border-radius: 8px; cursor: pointer; transition: var(--transition-fast); }
.chat-tab:hover { background: var(--bg-tertiary); }
.chat-tab.active { background: var(--accent-gradient); }
.chat-tab-name { font-size: 13px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-tab-delete { width: 20px; height: 20px; border: none; background: transparent; color: var(--text-muted); font-size: 16px; cursor: pointer; opacity: 0; transition: var(--transition-fast); }
.chat-tab:hover .chat-tab-delete { opacity: 1; }
.chat-tab-delete:hover { color: var(--error); }

.sidebar-nav { padding: 12px; border-top: 1px solid var(--border-color); }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: none; background: transparent; color: var(--text-secondary); font-size: 13px; border-radius: 8px; cursor: pointer; width: 100%; text-align: left; transition: var(--transition-fast); }
.nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active { background: var(--accent-gradient); color: var(--text-primary); }
.nav-icon { font-size: 16px; }

.sidebar-footer { padding: 16px; border-top: 1px solid var(--border-color); }
.connection-status { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-muted); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--error); }
.status-dot.connected { background: var(--success); }

/* Main Content */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.tab-content { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.tab-content.active { display: flex; }

.content-header { padding: 20px 24px; border-bottom: 1px solid var(--border-color); background: var(--bg-secondary); }
.content-header h1 { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.content-header p { color: var(--text-muted); font-size: 13px; }

/* Chat */
.chat-container { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.messages { flex: 1; overflow-y: auto; padding: 20px 24px; }

.welcome-message { text-align: center; padding: 40px 20px; }
.welcome-icon { font-size: 48px; margin-bottom: 16px; }
.welcome-message h2 { font-size: 22px; margin-bottom: 8px; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.welcome-message > p { color: var(--text-secondary); margin-bottom: 24px; }
.quick-prompts { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.quick-prompt { padding: 10px 16px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 10px; color: var(--text-primary); font-size: 13px; cursor: pointer; transition: var(--transition-fast); }
.quick-prompt:hover { background: var(--bg-elevated); border-color: var(--accent-primary); }

.message { display: flex; gap: 12px; margin-bottom: 16px; animation: fadeIn 0.3s ease; }
.message.user { flex-direction: row-reverse; }
.message-avatar { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.message.user .message-avatar { background: var(--accent-gradient); }
.message.assistant .message-avatar { background: var(--bg-tertiary); border: 1px solid var(--border-color); }
.message-content { max-width: 70%; padding: 12px 16px; border-radius: 14px; line-height: 1.5; }
.message.user .message-content { background: var(--accent-gradient); border-bottom-right-radius: 4px; }
.message.assistant .message-content { background: var(--bg-tertiary); border: 1px solid var(--border-color); border-bottom-left-radius: 4px; }

.message-actions { margin-top: 10px; padding: 10px; background: rgba(0,0,0,0.2); border-radius: 6px; }
.message-actions h4 { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; }
.action-item { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--bg-elevated); border-radius: 4px; margin-bottom: 4px; font-size: 12px; }
.action-type { padding: 2px 6px; background: var(--accent-primary); border-radius: 3px; font-size: 10px; font-weight: 600; }
.message-code { margin-top: 10px; padding: 12px; background: var(--bg-primary); border-radius: 6px; font-family: monospace; font-size: 12px; overflow-x: auto; border: 1px solid var(--border-color); white-space: pre-wrap; }

.execution-status { padding: 10px 16px; background: rgba(34, 197, 94, 0.2); border: 1px solid var(--success); border-radius: 8px; color: var(--success); font-size: 13px; margin-bottom: 12px; animation: fadeIn 0.3s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Input */
.chat-input-container { padding: 16px 24px; border-top: 1px solid var(--border-color); background: var(--bg-secondary); }
.input-wrapper { display: flex; gap: 10px; }
#promptInput { flex: 1; padding: 12px 16px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 12px; color: var(--text-primary); font-size: 14px; font-family: inherit; resize: none; min-height: 46px; max-height: 120px; }
#promptInput::placeholder { color: var(--text-muted); }
#promptInput:focus { outline: none; border-color: var(--accent-primary); }

.send-btn { padding: 12px 20px; background: var(--accent-gradient); border: none; border-radius: 12px; color: white; font-size: 14px; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 6px; transition: var(--transition-fast); }
.send-btn:hover { transform: translateY(-2px); box-shadow: 0 0 30px var(--accent-glow); }
.send-btn svg { width: 16px; height: 16px; }

.loading { display: flex; align-items: center; gap: 10px; padding: 12px 16px; color: var(--text-secondary); }
.loading-spinner { width: 18px; height: 18px; border: 2px solid var(--border-color); border-top-color: var(--accent-primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Other sections */
.saved-prompts-container, .settings-container { flex: 1; overflow-y: auto; padding: 20px 24px; }
.saved-prompt-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 10px; margin-bottom: 8px; }
.saved-prompt-info { flex: 1; min-width: 0; }
.saved-prompt-name { font-weight: 500; margin-bottom: 2px; }
.saved-prompt-text { color: var(--text-muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.use-btn { padding: 6px 12px; background: var(--accent-primary); border: none; border-radius: 6px; color: white; font-size: 12px; cursor: pointer; }

.settings-group { margin-bottom: 24px; }
.settings-group h3 { font-size: 14px; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border-color); }
.info-box { padding: 14px 16px; background: var(--bg-tertiary); border-radius: 10px; }
.info-box ol { padding-left: 18px; color: var(--text-secondary); font-size: 13px; }
.info-box li { margin-bottom: 6px; }
.info-box code { padding: 2px 5px; background: var(--bg-primary); border-radius: 3px; font-family: monospace; font-size: 12px; }
.action-btn { padding: 10px 16px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-secondary); font-size: 13px; cursor: pointer; }
.action-btn:hover { border-color: var(--error); color: var(--error); }

.empty-state { text-align: center; padding: 40px; color: var(--text-muted); }
.empty-icon { font-size: 36px; display: block; margin-bottom: 12px; opacity: 0.5; }