:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    --glass-backdrop: blur(12px);
    --danger: #ef4444;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
}

body {
    background: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: radial-gradient(circle at top right, #1e293b, transparent 40%),
                      radial-gradient(circle at bottom left, #0f172a, transparent 40%);
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    width: 400px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-box h2 {
    text-align: center;
    font-weight: 600;
    font-size: 24px;
    margin-bottom: 10px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 14px;
    color: var(--text-muted);
}

.input-group input {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-main);
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-img {
    height: 50px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid var(--border);
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100vh;
}

.sidebar {
    padding: 20px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

.nav-item {
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-muted);
    text-decoration: none;
    display: block;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.main-content {
    padding: 30px;
    overflow-y: auto;
}

.panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.panel.active {
    display: block;
}

/* Cards & Lists */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.account-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.status-CONNECTING { background: #f59e0b; color: white; }
.status-CONNECTED { background: var(--success); color: white; }
.status-DISCONNECTED { background: var(--danger); color: white; }

/* Chat UI */
.chat-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    height: calc(100vh - 100px);
}

.account-selector, .chat-area {
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.message-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-right: 10px;
}

.msg-bubble {
    padding: 10px 15px;
    border-radius: 12px;
    max-width: 70%;
    word-break: break-word;
}

.msg-in {
    background: rgba(255, 255, 255, 0.1);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.msg-out {
    background: var(--primary);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-input {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}