:root {
    --bg:           #7A6878;
    --surface:      rgba(200,195,200,0.44);
    --surface-hover: rgba(212,207,212,0.54);
    --accent:       #52345A;
    --accent-glow:  rgba(82,52,90,0.20);
    --text:         #1A1820;
    --text-muted:   #5A5268;
    --border:       rgba(255,255,255,0.22);
    --error: #9B1C1C;
    --success: #166534;
}

body {
    background:
        radial-gradient(ellipse 68% 52% at 65% 18%, rgba(255,248,252,0.42) 0%, transparent 56%),
        radial-gradient(ellipse 50% 50% at 12% 84%, rgba(0,0,0,0.34) 0%, transparent 52%),
        radial-gradient(ellipse 58% 36% at 40% 64%, rgba(0,0,0,0.14) 0%, transparent 44%),
        #7A6878;
    color: var(--text);
    font-family: 'Inter', 'Google Sans', system-ui, sans-serif;
    margin: 0;
    padding: 0;
    font-size: 1rem;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.centered-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: none;
    gap: 1.5rem;
}

h1, h2 {
    font-size: 1.5rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

form {
    background: rgba(200,195,200,0.45);
    backdrop-filter: blur(24px) saturate(1.1);
    -webkit-backdrop-filter: blur(24px) saturate(1.1);
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 24px;
    padding: 2.5rem 2rem 2rem 2rem;
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 12px 48px rgba(0,0,0,0.22), 0 3px 8px rgba(0,0,0,0.12);
}

label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    display: block;
    font-weight: 400;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.70);
    border: 1.5px solid rgba(255,255,255,0.35);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 1.2rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder {
    color: var(--text-muted);
}

button[type="submit"], .btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: filter 0.15s, transform 0.15s;
    box-shadow: 0 4px 20px var(--accent-glow);
    width: 100%;
}

button[type="submit"]:hover, .btn-primary:hover {
    filter: brightness(1.10);
    transform: translateY(-1px);
}

.form-group {
    margin-bottom: 1.2rem;
}

.text-center {
    text-align: center;
}

.text-danger {
    color: var(--error);
    background: rgba(155,28,28,0.10);
    padding: 12px;
    border-radius: 8px;
    margin-top: 1rem;
    font-size: 0.9rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.15s;
}

a:hover {
    opacity: 0.8;
}