:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --accent: #d946ef;
    --dark-bg: #1e1b4b;
    --card-bg: rgba(30, 27, 75, 0.9);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --gradient: linear-gradient(135deg, #6366f1 0%, #d946ef 100%);
    --bg-gradient: linear-gradient(-45deg, #1e1b4b, #312e81, #1e1b4b);
}

body {
    background: var(--bg-gradient);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
}

.main-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Card Styling (AppWizzy style) */
.chat-container, .admin-container {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    color: var(--text-main);
}

.chat-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

/* Buttons */
button {
    background: var(--gradient);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s;
}

button:hover {
    transform: translateY(-2px);
}

/* Inputs */
input, .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: white;
}

input:focus {
    border-color: var(--primary);
    outline: none;
}