body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

nav {
    background: rgba(0, 0, 0, 0.2);
    box-shadow: none;
}

.nav-container .logo { color: white; }
.nav-links a { color: rgba(255,255,255,0.85); }
.nav-links a:hover { color: white; }
.hamburger span { background-color: white; }

.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 50px);
    padding: 20px;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.form-group { margin-bottom: 20px; }

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.error-list {
    background: #fee;
    color: #c33;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    list-style: none;
}

.error-list li {
    padding: 2px 0;
    text-align: center;
}

.links {
    text-align: center;
    margin-top: 20px;
    color: #555;
}

.links a { color: #667eea; text-decoration: none; }
.links a:hover { text-decoration: underline; }

.info-notice {
    background: #fffbeb;
    border: 1px solid #f0d488;
    border-radius: 5px;
    padding: 10px 14px;
    margin-bottom: 20px;
    font-size: 13px;
    color: #6d4f00;
    text-align: left;
}
.form-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.w-full { width: 100%; }
.optional { color: #999; font-weight: 400; }

.hp-field {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}