* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: Tahoma, Arial, sans-serif;
    background: linear-gradient(135deg, #075e54 0%, #25d366 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container { width: 100%; padding: 20px; }

.auth-box {
    background: white;
    border-radius: 15px;
    padding: 40px;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.auth-header { text-align: center; margin-bottom: 30px; }

.logo-icon {
    width: 80px;
    height: 80px;
    background: #25d366;
    border-radius: 50%;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg { width: 50px; height: 50px; fill: white; }

.auth-header h1 { color: #333; font-size: 24px; }

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error { background: #fee; color: #c33; border: 1px solid #fcc; }
.alert-success { background: #efe; color: #3c3; border: 1px solid #cfc; }

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus { outline: none; border-color: #25d366; }

.btn-primary {
    width: 100%;
    padding: 14px;
    background: #25d366;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover { background: #128c7e; }

.auth-footer { text-align: center; margin-top: 20px; color: #666; }

.auth-footer a { color: #25d366; text-decoration: none; font-weight: bold; }